Questions tagged [underground-water]
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Just filled my well, does it feed the water table a lower on its own without using water?
Our well dried up…at lease the water level was below the pump intake that sits at 24” above the bottom of the well. We hauled in 300 gallons and the level rose to 121”. Two days later, the level ...
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why does calcium carbonate turn some waters turquoise but not all waters?
I recently got back from a rafting trip in the Grand Canyon and the turquoise colored waters of the Little Colorado River and Havasau Creek were particularly memorable. https://www.westernriver.com/...
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How to find the drawdown of a well in an unconfined aquifer?
I tried to calculate the dropdown of a well of an unconfined aquifer but the drawdown of an observation well is not given. Here's the full question:
A 10 cm diameter well in an unconfined aquifer was ...
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How was the Boesmansgat Cave in South Africa formed?
I found nearly nothing about this sinkhole online. Apparently the cave has water dating back thousands of years.
From where did this water come from. Is it just rain? And how dirty is the water now?
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At what depth does the ground stop getting cooler/hotter(summer/winter) and it starts to warm up?Where is the MAT depth or geothermal crossover?
Lookin into geothermal cooling, and want to learn more about how temperature behaves at different depths, not too deep like 100 meters or so, ignoring unusual stuff like geysers and things.
I want to ...
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Water comparison of different aqueous bodies in regions not affected by wildfire but adjacent to affected ones
Some big wildfires are hitting some places in Chile. I have read that aqueous bodies can be affected during/after major wildfires. Is it possible to determine if it is safe to drink spring water (...
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Ways of detecting underground bodies of water
I saw one way to achieve this using the magnetotelluric way, but I need some solid fundamental way to understand it. Any book recommendations would be appreciated.
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How much water do aquifers contain? How much does it take to deplete them?
How much water does a typical aquifer contain, and is casual well use is likely to deplete them?
Your answer can take many forms, but an ideal question would cover these sort of areas- would a single ...
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How are aquifers found and traced?
Recently a line from a news article about an aquifer in the path of a tunnel boring machine for Metro networks caught my attention:
Ahead of tunnelling, the builders conduct hydrogeology, a study of ...
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Would the subsurface event leading to tree death at West Tern Lake in Yellowstone be visible in thermal imaging?
The New York Times article It’s Warm and Stealthy, and It Killed Yellowstone Trees and Turned Soil Pale describes an even that took place over the past few decades where a small and well-defined ...
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How acidic waters make rocks disappear?
I was working on this science project.
I was on step 11, day. 4. Since day 2, I found out that my pH and the mass of the rock (limestone) stopped changing. This project should proves acidic water ...
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What is the cause of temporary smell and black color of underground water?
We have a well (about 1200KM away from sea and 60 meter deep), the water when taken out has slightly dark color and has smell. But strangely in about 12 hours the smell and black color vanishes and ...
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Transferring water using underground channel
I heard in tv show, there are water channels in underground like rivers or small channels! So I just wondered why don't we use such underground water channels to recharge the underground water of one ...
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Easiest way to find the water table under my feet
I had burnt my finger by digging an empty well and spending my hard-earned money in vain. I then started to study about the resistivity method for finding underground details. But I have many doubts ...
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At what depth does the underground begin to warm up?
Spring water comes out colder from being underground. But if you get deeper the temperature goes up. At what depth does the underground stop getting colder and begins getting warmer?
Is there a map ...
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