Question 1 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 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

Can groundwater be over a thousand years old?

Question 4 of 6
Basic

Is climate change a significant problem for our groundwater?

Question 5 of 6
Basic

Which conditions give water the best cleaning effect on the way to becoming groundwater?

Question 6 of 6
Basic

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

Question 6 of 6
Basic

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1: 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
1: 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
1: 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
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
You can find the answer here >
3: Can groundwater be over a thousand years old?
No
You can find the answer here >
3: Can groundwater be over a thousand years old?
Yes
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: Which conditions give water the best cleaning effect on the way to becoming groundwater?
Fast travel time through the subsurface
You can find the answer here >
5: Which conditions give water the best cleaning effect on the way to becoming groundwater?
Slow travel time through the subsurface
5: Which conditions give water the best cleaning effect on the way to becoming groundwater?
There is no cleaning effect through the subsurface
You can find the answer here >
6: Initially, water is driven underground by gravity. What is the main driver after a certain depth?
The main driver becomes pressure
6: Initially, water is driven underground by gravity. What is the main driver after a certain depth?
The main driver is still gravity
You can find the answer here >
6: 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 >