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groundwater
chapter 20 groundwater
7
Geology
Undergraduate 1
11/04/2012

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Term
aquitard
Definition
layer of earth with low permeability to water
Term
permeability
Definition
connected open spaces that allow water to flow through a rock
Term
3 of the forms of secondary permeability
Definition
fractures, faults, and dissolution
Term
what sourrounds confined aquifers
Definition
layers of water impermeable rock called aquitards
Term
ground subsidence, what does it look like and what causes it
Definition
it looks like caved in or sinking earth, it is caused by water being taken out of a permeable area under the ground, earth sinks to replace the empty space
Term
overpumping of aquifers results in what
Definition
cone of depression
Term
excessive pumping in coastal areas results in what phenomena limited to areas near coasts
Definition
saltwater intrusion
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