Groundwater, Groundwater Pollution, and Mammoth Cave

Groundwater, Groundwater Pollution, and Mammoth Cave -...

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Geosc 10 Tuesday March 23, 1999 Announcements: none Lecture notes: I. Groundwater, Groundwater Pollution, and Mammoth Cave A. Karst --ground water you get when water flows through cracks in caves; it's an area where ground water flows through caves; the name originated from a region of Yugoslavia with many features involving karst B. Aquifer --an underground well; underground layer of sand, gravel, porous rock, etc. that holds ground water C. Conductivity --the speed at which water flows through a certain material (ex. shale has a low conductivity) D. Sink holes --places where water sinks underground E. Five (5) ingredients for caves to form 1. Water --water needs to have a specific kind of chemistry so it can dissolve material (the water needs to be somewhat acidic) 2. Soluble rock (ex. limestone and sometimes marble)--limestone dissolves by means of carbonic acid 3. Hydraulic gradient --the water needs to flow downhill; water needs to flow fast so it needs to flow downhill rather than uphill
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This note was uploaded on 02/21/2008 for the course GEOSC 10 taught by Professor Furman during the Spring '99 term at Pennsylvania State University, University Park.

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Groundwater, Groundwater Pollution, and Mammoth Cave -...

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