Abstract
The geomorphological study and the radiocarbon datings of the sub-surface sediments in the Krishna delta, indicate that the strandline around 2, 200 years ago was located at more than 40km inland from the present river mouth, and the delta tront has prograded more than 5km in the last 250 years. These facts differ somewhat from the previous view on the formation of the alluvial plain in the east coast of India that has been thought to be closely related to sea level oscillations since the Holocene maximum transgression. The rapid progradation of the delta front may be caused by human impact in the upper reaches of the Krishna river, and more detailed data are required to confirm this hypotheses.
