High resolution satellite images are useful to delineate the features of geomorphic importance in coastal areas. Ground Penetrating Radar (GPR) is the non-invasive geophysical technique that provides the high resolution profile of subsurface than any other geophysical techniques. GPR with deferent frequencies have the capability to detect water table as well as various layers present in the subsurface. Based on the penetration capacity it can also detect the saltwater/freshwater interface zones. 3D model can be generated using GPR data to understand the manifestations of subsurface layers as well as the dynamics of seawater intrusion in the coastal areas.
National Remote Sensing Centre (NRSC), Hyderabad
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