Geophysical Mapping: Problem Findings Displays the valid Assignments. To display specific method information, click on the method name.  Problemtype  Problem  Assigner  Method  Methodtype   Natural Hazards   Ice thickness   +   Borehole imaging, Structure logging   Borehole Methods       +   DC geoelectrics - Sounding   Electrical Methods       +   Electrical and induction logging   Borehole Methods       +   Ground penetrating radar (surface-based)   Electromagnetic Methods       +   Nuclear logging   Borehole Methods       +   Shallow reflection seismics   Seismic Techniques       +   Standard refraction seismics   Seismic Techniques       +   Very-high resolution reflection seismics   Seismic Techniques       0   Acoustic logging   Borehole Methods       0   Geoelectrics - Tomography (surface based)   Electrical Methods       0   Land gravity   Gravity       0   Refraction seismic tomography (surface-based)   Seismic Techniques       0   Seismic surface waves methods   Seismic Techniques       0   Time-domain electromagnetics - Profiling   Electromagnetic Methods       0   Time-domain electromagnetics - Sounding   Electromagnetic Methods Search Again         Applicable Techniques