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Water - geology - Statistics
General Stats
- This quiz has been taken 7 times
- The average score is 5 of 15
Answer Stats
| Hint | Answer | % Correct |
|---|---|---|
| 23% groundwater, 79 billion gallons per day 77% surface water, 270 billion gallons per day 2015 - total gallons of water withdrawal per day = 322 billion gallons per day | Sources of Freshwater in the U.S | 86%
|
| Describes the existence and movement of water from the oceans, streams, and land to the atmosphere through evaporation, transpiration, sublimation, and back again as rain/precipitation. Source of all the freshwater we have on this planet Fall to the ground - creates groundwater - unseen part of the hydrologic cycle | Hydrologic water cycle | 57%
|
| mounds on the floor built up underneath the stalagtites | Stalagmites | 57%
|
| hanging from the cave ceiling: icicle-like speleothem that grows from | Stalagtites | 57%
|
| a horizontal permeable one with impermeable zones above and below. Overlaid by a confining unit - no direct connection to the land surface. Place of intersection - recharge. | Confined Aquifer (Aquitard) | 43%
|
| When stalagmites and stalagtites connect they are known as this | Dripstone columns | 43%
|
| Water occurring in saturated oils, sediments, and rock. The upper boundary of this is known as the water table | Groundwater | 43%
|
| Geologic material that can store water and transmit or transport water at rates fast enough to supply a reasonable amount of water to wells | Aquifer | 29%
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| it is often called a water table aquifer. Receives infiltration/recharge from land surface (direct connection between aquifer and land surface. Upper boundary = water table, water table aquifer | Unconfined aquifer | 29%
|
| flowing. Drilling into confined aquifer - pressure so much, it will come back up and out - geysers are because of boiling water | Artesian well | 14%
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| Most groundwater contains carbonic acid This acidic water “attacks” carbonate rocks (limestone) Leading to the formation of sinkholes | Groundwater Erosion and Deposition | 14%
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| Largely developed by groundwater erosion in many areas underlain by soluble rocks | Karst Topography | 14%
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| a layer of saturated soil (a permeable zone) formed above the water table. It could be due to a layer of clay/ or a crystalline rock unit preventing further infiltration of rainwater | Perched aquifer | 14%
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| Most groundwater is deposited in caves | Groundwater deposition | 0%
|
| Well - a deep hole dug or drilled into the ground to obtain water from an aquifer - water enters the well from pore spaces within the surrounding aquifer Rig to drill Pumping of wells can cause: 1. Drawdown (lowering) of the water table 2. The pumping action - accelerates flow near well Pumping wells can draw down the water table Pumping of wells can cause a cone-shaped depression in the water table Cone of depression is the response of the____ pumping | How do we tap groundwater? | 0%
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