Hydrogeological studies of gadilam river lower sub basin using remote sensing and gis by groundwater modeling approach

Abstract

Groundwater is one of the greatest hidden natural resources of earths newlinecrust and has ubiquitous occurrence Being an agrarian state Tamilnadu newlinebasically depends upon its water resources for agricultural activities food newlineproduction and domestic uses Groundwater has emerged as an important and newlineindispensable resource in the absence of adequate surface water resources to newlinemeet out the different sectoral demands newlineNow a days the indiscriminate pumping of groundwater and poor newlinestorage in the surface water structures cause great concern in lowering trend newlineof groundwater level in many parts of the Gadilam river lower sub basin over newlinea period of three decades newline newline