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Terms in this set (19)
water contained in the cracks and spaces in underground soil and rock layers
The upper level of the saturated zone of groundwater
zone of aeration
Zone in soil that is not saturated with water and that lies above the water table.
zone of saturation
zone where all of the pore spaces are completely filled with water
manmade hole used to pull water to the surface
Unconfined aquifers recharge (faster, slower) than confined aquifers.
atmosphere, oceans, cryosphere
A fixed amount of water moves through the _____, ____, and ____.
What percentage of all water on Earth's surface is freshwater?
What percentage of all water on Earth's surface is in the ocean?
Of the freshwater on Earth's surface, what percentage is groundwater?
Of the freshwater on Earth's surface, what percentage is in-cryosphere?
less than 1
Of the freshwater on Earth's surface, what percentage is in lakes and rivers?
Why was the first water aqueduct in LA built?
Who led the construction of the aqueducts in LA in early 1900s?
occurs when too much water is pumped out from the underground, deflating the space below the above-surface, and thus causing the ground to actually collapse
cone of depression
an area from which the groundwater has been rapidly withdrawn
elevation, climate, seasons
The depth of the water table varies with _____, _____, and _____.
replenishment of groundwater by rainfall or snowmelt
_____ _____ sacrifices the quantity of accessible water.
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