8 Answered Questions for the topic Hydrology

07/03/19

What keeps water from sinking into earth?
I remember reading somewhere that there's evidence of water on Mars but it all sank into the Martian soil. So what prevents that happening on earth? Some people say it's because the crust is not... more
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Hydrology Geology Rivers

06/10/19

Rocks sparking under water?
I have searched for an answer to this question for years, to verify if it was true.A man that lived on a river in the rugged part of the northern Washington Cascades told me an interesting story.... more
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Hydrology Geology Mathematics

05/22/19

Math needed for Hydrology, specifically surface water hydrology?
I wanted to know what math is needed for hydrology, in particular surface water hydrology.In my research online, of Master's programs (either in Hydrology or Environmental Science with a... more
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05/14/19

Is there a database of global rainfall time series?
Is there any institute out there collecting time series data of precipitation, and making them accessible online? I need data for a few different locations, but: * Low spatial resolution is fine.... more
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05/05/19

Are there situations where the groundwater table doesn't follow the morphology of the surface?
In most or all geological site reports I read, the groundwater table (of the uppermost groundwater layer) always followed the morphology of the surface. Is this always the case? Are there signs for... more
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Hydrology Geology Water

03/18/19

What keeps water from sinking into earth?
I remember reading somewhere that there's evidence of water on Mars but it all sank into the Martian soil. So what prevents that happening on earth?Some people say it's because the crust is not... more
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Hydrology

08/31/16

a circular water transmission pipe has a diameter of 1.25ft and is 5.6 miles long. how much water does it take to fill the pipe?
must give answer in ft cubed and in gallons.
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09/05/14

Under what circumstances will a rock have high porosity but low permeability for groundwater flow?
A.) when the pores are formed by dissolution of limestone B.) when the pores are all interconnected C.) when the pores are very small D.) when the pores are very large
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