Displays the valid Assignments. To display specific method information, click on the method name.
                        
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                       Applicable Techniques
                       
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                       Problemtype | 
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                       Problem | 
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                       Assigner | 
                        | 
                       Method | 
                        | 
                       Methodtype | 
                    
                     | 
                    
                    
                   
                       | 
    
                        
                        Groundwater
                       | 
                       | 
       
                        
                        Aquifer pollution
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        BEAM G4 SCAN
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        DC geoelectrics - Profiling
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Electrical and induction logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Fluid logging, Flow meter
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                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Frequency-domain electromagnetics - Profiling
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                       | 
    
                        Electromagnetic Methods
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                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Frequency-domain electromagnetics - Sounding
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Geoelectrics - Crosshole tomography
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Geoelectrics - Tomography (surface based)
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                       | 
    
                        Electrical Methods
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                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Ground penetrating radar (surface-based)
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Induced polarization - Tomography (surface-based)
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                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
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                        VLF / VLF-R, Radiomagnetotellurics
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                       | 
    
                        Electromagnetic Methods
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                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
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                       | 
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                        0
                       | 
                       | 
        
                        Airborne infrared thermography
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                       | 
    
                        Thermic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        DC geoelectrics - Sounding
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Induced polarization - Profiling
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Induced polarization - Sounding
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Self potential
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Time-domain electromagnetics - Profiling
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Time-domain electromagnetics - Sounding
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                       |  | 
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                        Fractures
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Acoustic logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        BEAM G4 SCAN
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Borehole imaging, Structure logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Electrical and induction logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Fluid logging, Flow meter
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Frequency-domain electromagnetics - Profiling
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Frequency-domain electromagnetics - Sounding
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Geoelectrics - Crosshole tomography
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Geoelectrics - Tomography (surface based)
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Ground penetrating radar (surface-based)
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Ground penetrating radar - Borehole tomography
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Seismic crosshole tomography
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Shallow Water Seismics - Lake Seismics
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Shallow reflection seismics
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Shear-wave reflection seismics
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Surface Nuclear Magnetic Resonance (SNMR)
                       | 
                       | 
    
                        Radioactivity
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Tunnel infrared thermography
                       | 
                       | 
    
                        Thermic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        VLF / VLF-R, Radiomagnetotellurics
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Vertical seismic profiling (VSP)
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Very-high resolution reflection seismics
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        DC geoelectrics - Profiling
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Ground spectrometry
                       | 
                       | 
    
                        Radioactivity
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Passive seismic monitoring
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Refraction seismic tomography (surface-based)
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Seismic surface waves methods
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Technical logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Time-domain electromagnetics - Profiling
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Time-domain electromagnetics - Sounding
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                       |  | 
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                        Groundwater table
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        DC geoelectrics - Sounding
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Electrical and induction logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Fluid logging, Flow meter
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Frequency-domain electromagnetics - Profiling
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Frequency-domain electromagnetics - Sounding
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Geoelectrics - Tomography (surface based)
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Ground penetrating radar (surface-based)
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Standard refraction seismics
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Surface Nuclear Magnetic Resonance (SNMR)
                       | 
                       | 
    
                        Radioactivity
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Time-domain electromagnetics - Profiling
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Time-domain electromagnetics - Sounding
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Very-high resolution reflection seismics
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Acoustic logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Borehole imaging, Structure logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Geoelectrics - Crosshole tomography
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Ground penetrating radar - Borehole tomography
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Nuclear logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Refraction seismic tomography (surface-based)
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Seismic crosshole tomography
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Seismic surface waves methods
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Shallow reflection seismics
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        VLF / VLF-R, Radiomagnetotellurics
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                       |  | 
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                        Porosity / Permeability
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Acoustic logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Fluid logging, Flow meter
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Nuclear logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Surface Nuclear Magnetic Resonance (SNMR)
                       | 
                       | 
    
                        Radioactivity
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Tunnel infrared thermography
                       | 
                       | 
    
                        Thermic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        BEAM G4 SCAN
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Borehole imaging, Structure logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        DC geoelectrics - Profiling
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        DC geoelectrics - Sounding
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Electrical and induction logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Frequency-domain electromagnetics - Profiling
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Frequency-domain electromagnetics - Sounding
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Geoelectrics - Crosshole tomography
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Geoelectrics - Tomography (surface based)
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Ground penetrating radar (surface-based)
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Seismic crosshole tomography
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Seismic surface waves methods
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Self potential
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Shallow reflection seismics
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Time-domain electromagnetics - Profiling
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Time-domain electromagnetics - Sounding
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        VLF / VLF-R, Radiomagnetotellurics
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Vertical seismic profiling (VSP)
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Very-high resolution reflection seismics
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                       |  | 
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                        Quality / Thickness of aquifer/aquitard
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Acoustic logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        DC geoelectrics - Sounding
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Electrical and induction logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Fluid logging, Flow meter
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Geoelectrics - Crosshole tomography
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Geoelectrics - Tomography (surface based)
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Ground penetrating radar (surface-based)
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Nuclear logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Shear-wave reflection seismics
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        VLF / VLF-R, Radiomagnetotellurics
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        BEAM G4 SCAN
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Borehole imaging, Structure logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Frequency-domain electromagnetics - Profiling
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Frequency-domain electromagnetics - Sounding
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Ground penetrating radar - Borehole tomography
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Induced polarization - Sounding
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Land gravity
                       | 
                       | 
    
                        Gravity
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Refraction seismic tomography (surface-based)
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Seismic crosshole tomography
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Seismic surface waves methods
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Shallow reflection seismics
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Standard refraction seismics
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Time-domain electromagnetics - Profiling
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Time-domain electromagnetics - Sounding
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Very-high resolution reflection seismics
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                       |  | 
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                        Temperature
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Airborne infrared thermography
                       | 
                       | 
    
                        Thermic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Fluid logging, Flow meter
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Ground infrared thermography
                       | 
                       | 
    
                        Thermic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Tunnel infrared thermography
                       | 
                       | 
    
                        Thermic Methods
                       | 
                    
                    
                       |  | 
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                        Temporal variations
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Fluid logging, Flow meter
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Geoelectrics - Tomography (surface based)
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Ground penetrating radar (surface-based)
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        +
                       | 
                       | 
        
                        Ground penetrating radar - Borehole tomography
                       | 
                       | 
    
                        Electromagnetic Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        DC geoelectrics - Sounding
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Electrical and induction logging
                       | 
                       | 
    
                        Borehole Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Geoelectrics - Crosshole tomography
                       | 
                       | 
    
                        Electrical Methods
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        Refraction seismic tomography (surface-based)
                       | 
                       | 
    
                        Seismic Techniques
                       | 
                    
                    
                      
                      
                      
                      
                         | 
                         | 
                      
                      
                   
                       | 
    
                        
                       | 
                       | 
       
                        
                       | 
                       | 
      
                        
                        0
                       | 
                       | 
        
                        VLF / VLF-R, Radiomagnetotellurics
                       | 
                       | 
    
                        Electromagnetic Methods
                       |