P078 SINKHOLE HAZARD ASSESMENT IN THE DEAD SEA AREA – TWO GEOPHYSICAL ASPECTS OF THE PROBLEM 1 Summary A combination of different surface geophysical techniques is used as a tool for sinkhole development prediction. While each of the geophysical methods alone does not in general facilitate reliable detection of subsurface voids the combination of different geophysical methods does allow us to detect (1) the dissolution caves within the salt unit (Microgravity and Seismic Diffraction); (2) the depth to the water table (MRS) and (3) distribution of the bulk resistivity (related to salinity) over the space (TEM and CVES) with greater


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