Marine Geological Studies on the Coastal Zone of Kerala

by T. K. Mallik, Cent for Earth Science Studies, Marine Sciences Div, Trivandrum, India,

Document Type: Proceeding Paper

Part of: Coastal Zone '85


The largest of the estuaries in Kerala, the Vembanad lake formed by the backwater, has been investigated in detail with reference to bathymetry, sediments and geochemistry. A considerable portion of the coast is prone to active erosion. Phenomena of coastal erosion and accretion are being studied by monitoring the beach profiles in different months. The beach volume changes in different periods in different coastal sectors have also been calculated. Data on deep water waves have been collected by continuously mooring the wave rider buoy at different depths. Sediment movement studies by fluorescent tracer techniques are being carried out systematically in all seasons.

Subject Headings: Ocean waves | Sediment transport | Geological surveys | Erosion | Water waves | Beach accretion | Surveys (non-geomatic) | India | Asia | Kerala

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