Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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The study of SPOT (1988) and IRS-1C (1998) images along with topographic maps (1928 and 1969-70) indicates that the wetland of Vedaranniyam has undergone significant landform modifications over a period of 70 years (1928-1998). Changes in shape and extent of the Mullippallam and Serattalaikkadu creeks, migrating confluence of stream Koraiyar towards north, development of mangrove vegetation, progradation and retrogradation of shoreline and increasing number of salt pans are determined and quantified. The study shows that fluctuations in the discharge of river flows and sediment loads associated with NE monsoon intensity and human interference through salt pan and agricultural activities are manly responsible for the dynamic changes observed in the area.

Keywords

Coastal Landforms, Fluvial Processes, Human Activity, Remote Sensing, Vedaranniyam Wetland, Tamil Nadu.
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