ASBOG Hydrogeology Questions And Answers

ASBOG Hydrogeology Questions And Answers Area of Influence - ANS-The area within the potentiometic surface is lowered by withdrawal or raised by injection, of water through well. Aquifer - ANS-A geologic unit that is saturated and sufficiently permeable to transmit significant economic quantities of water to wells and springs Capillary Fringe - ANS-The lowest part of the zone of aeration, immediately above the water table, where water is under pressure that is less than atmospheric pressure Cone of Depression - ANS-A depression in the potentiometric surface of ground water that has the shape of an inverted cone and develops around a well from which water is being withdrawn. it defines the area of influence in a well confined aquifer - ANS-an aquifer overlain by a confining layer of low permeability. connate water - ANS-water trapped in the pores of a sedimentary rock at the time of deposition; fossil water darcy - ANS-unit of intrinsic permeability darcys law - ANS-Q=KiA Discharge area - ANS-an area where subsurface water is discharged to land. bodies of water, or the atmosphere drawdown - ANS-...