Question 1 of 6
Basic

Initially, water is driven underground by gravity. What is the main driver after a certain depth?

Question 2 of 6
Basic

What do we call the visible area from which the aquifer gets new water over time?

Question 3 of 6
Basic

What happens if groundwater is depleted too fast?

Question 4 of 6
Basic

Is climate change a significant problem for our groundwater?

Question 5 of 6
Basic

When bacteria in the soil interacts with organic compounds in the water, what are they broken down into?

Question 6 of 6
Basic

Can groundwater be over a thousand years old?

Question 6 of 6
Basic

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1: Initially, water is driven underground by gravity. What is the main driver after a certain depth?
The main driver becomes pressure
1: Initially, water is driven underground by gravity. What is the main driver after a certain depth?
The main driver is still gravity
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1: Initially, water is driven underground by gravity. What is the main driver after a certain depth?
Both pressure and gravity, depending on conditions
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2: What do we call the visible area from which the aquifer gets new water over time?
Surface water source
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2: What do we call the visible area from which the aquifer gets new water over time?
The recharge area
2: What do we call the visible area from which the aquifer gets new water over time?
The watershed
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3: What happens if groundwater is depleted too fast?
The land subsides and a shallow lake forms
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3: What happens if groundwater is depleted too fast?
The land subsides and dries out
3: What happens if groundwater is depleted too fast?
Water pressure drops, but in principle the aquifer is always there
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4: Is climate change a significant problem for our groundwater?
No
4: Is climate change a significant problem for our groundwater?
Yes
4: Is climate change a significant problem for our groundwater?
We won't know for 40 to 50 years
5: When bacteria in the soil interacts with organic compounds in the water, what are they broken down into?
Pollutants in the water
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5: When bacteria in the soil interacts with organic compounds in the water, what are they broken down into?
Nothing - this process happens on the surface
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5: When bacteria in the soil interacts with organic compounds in the water, what are they broken down into?
Pure water and CO2
6: Can groundwater be over a thousand years old?
No
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6: Can groundwater be over a thousand years old?
Yes