Module 2 - Water Key terms 0.0 / 5 ? GeologyA2/A-levelOCR Created by: RockCreated on: 09-06-13 11:40 Porosity Is the volume of pore space 1 of 10 Permeability Is the rate at which a fluid flows through a rock. 2 of 10 Water Table Is the surface separating unsaturated rock above from saturated rock below. 3 of 10 Hydrostatic Pressure Is the pressure at a point in a body of water due to the weight of the overlying column of water. 4 of 10 Hydraulic Gradient Is the difference in hydrostatic pressure between two points divided by the distance between them. 5 of 10 Recharge Zone Is the area of an aquifer open to the atmosphere allowing replenishment of water 6 of 10 Aquiclude Is an impermeable rock that does not transmit water. 7 of 10 Artesian Basin Is a large, synclinal confined aquifer under hydrostatic pressure. 8 of 10 Cone of Depression Occurs where there is a lowering of the water table in the vicinity of a well 9 of 10 Draw Down Describes the height difference between the water table and water level in well. 10 of 10
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