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ES 9.2 Terms CC
ES 9.2 Terms and definition
Term | Definition |
---|---|
porosity | amount of pore space |
water table | the upper boundary |
zone of aeration | the air in pores above |
permeability | ability of material to let water pass |
aquifers | permeable sediments with large pores |
aquicludes | barriers to groundwater flow |
springs | natural discharge of groundwater |
hot spring | springs < 37 degrees celcius |
geyser | explosive hot spring |
hard water | has high amounts of ca, mg, fe, etc. |
ordinary well | well tat reaches below the water table |
artesian well | drilled in to aquifer under pressure |
cone of depression | caused by overpumping |
recharge | replenishment of an aquifer |
calcite | white or colorless mineral that consists of calcium carbonate |
stalactites | formed by the precipitation of calcite |
groundwater | water held underground |
carbonic acid | a very weak acid formed in solution when carbon dioxide dissolves in water. |
threats to water supply | overuse, pollution, chemicals, salt, and radon |
wells | hole in ground to reach an aquifer |