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

Can you spread the load on an aquifer by extracting from more wells distributed over a wider area?

Question 3 of 6
Basic

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

Question 4 of 6
Basic

The rainwater which becomes new groundwater is called what?

Question 5 of 6
Basic

Can groundwater be over a thousand years old?

Question 6 of 6
Basic

In the example given in the course, how many years will it take potentially for the effects of surface pollution to show up in drinking water?

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
You can find the answer here >
2: Can you spread the load on an aquifer by extracting from more wells distributed over a wider area?
Yes
2: Can you spread the load on an aquifer by extracting from more wells distributed over a wider area?
No
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3: 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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3: 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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3: When bacteria in the soil interacts with organic compounds in the water, what are they broken down into?
Pure water and CO2
4: The rainwater which becomes new groundwater is called what?
Discharge
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4: The rainwater which becomes new groundwater is called what?
Replenish
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4: The rainwater which becomes new groundwater is called what?
Recharge
5: Can groundwater be over a thousand years old?
No
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5: Can groundwater be over a thousand years old?
Yes
6: In the example given in the course, how many years will it take potentially for the effects of surface pollution to show up in drinking water?
4 to 5 years
6: In the example given in the course, how many years will it take potentially for the effects of surface pollution to show up in drinking water?
Over a thousand years
6: In the example given in the course, how many years will it take potentially for the effects of surface pollution to show up in drinking water?
40 to 50 years