A natural flow of groundwater. This results when the water table intersects the ground surface.

precipitation. Many form when an Aquitaine blocks the downward movement of groundwater forcing it to move laterally.

A spring in which water is 6 to 9 degrees Celsius hotter then the average annual air temperature for that area. (This is the definition in the book although there is no widely accepted definition.)

The idea that temperature deep in mines and oil wells rise about 2 degrees Celsius per every 100 meters in depth (on average).

Intermittent fountains in which columns of hot water and steam are ejected with great force often rising 30 to 60 meters into the air.

One of the most famous geysers in the world. Located in Yellowstone national park.

They ar created when water underground is surrounded by hot igneous rock, is heated, but is under great pressure because of overlying water, which prevents it from boiling as it would at the surfaces. The heat causes the water to expand and burst out.

A hole bored into the zone of saturation in order to remove ground water.

What is the greatest use of well water in the United States? What percent of ground water is used for this?

Irrigation for agriculture. Over 65%

Why must a well penetrate below the water table?

The level of the water can't rise and fall depending on rain and other factors, it needs to be deep enough to get water when it hasn't rained recently.

This is when a substantial amount of water has been taken from a well thus lowering the water table.

What is the cone of depressoin

When the water table I started lowered directly below a well but rises the further from the well you get.

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Chapter 5 section 10

Springs, wells and artesian systems

Question	Answer
What is a spring	A natural flow of groundwater. This results when the water table intersects the ground surface.
What causes a spring	precipitation. Many form when an Aquitaine blocks the downward movement of groundwater forcing it to move laterally.
Hot springs	A spring in which water is 6 to 9 degrees Celsius hotter then the average annual air temperature for that area. (This is the definition in the book although there is no widely accepted definition.)
Geothermal gradient	The idea that temperature deep in mines and oil wells rise about 2 degrees Celsius per every 100 meters in depth (on average).
Geysers	Intermittent fountains in which columns of hot water and steam are ejected with great force often rising 30 to 60 meters into the air.
Old Faithful	One of the most famous geysers in the world. Located in Yellowstone national park.
What was the United States first national park	Yellowstone
What causes geysers	They ar created when water underground is surrounded by hot igneous rock, is heated, but is under great pressure because of overlying water, which prevents it from boiling as it would at the surfaces. The heat causes the water to expand and burst out.
Well	A hole bored into the zone of saturation in order to remove ground water.
What is the greatest use of well water in the United States? What percent of ground water is used for this?	Irrigation for agriculture. Over 65%
Why must a well penetrate below the water table?	The level of the water can't rise and fall depending on rain and other factors, it needs to be deep enough to get water when it hasn't rained recently.
What I said drawdown	This is when a substantial amount of water has been taken from a well thus lowering the water table.
What is the cone of depressoin	When the water table I started lowered directly below a well but rises the further from the well you get.
What is artesian systems

Created by: James Bo

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