Lec16 - University of California Berkeley Civil Engineering...

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Zone of Capture University of California, Berkeley Professor Ken Johnson Civil Engineering 70 Engineering Geology Civil Engineering 70 Lecture 16 10/18/07 Crystal Springs Reservoir o Water reservoir directly south of San Francisco o Very limited activity around the reservoir to keep it clean o No boats or swimming o Kept very pristine Aquifers o Same concept applies o Want to keep it as clean as possible because people get their water from it Source Water/Well Head Protection o Hydrogeology o Zone of influence of well Where / How / What threats Zoning – Land Use Controls Land Contours o Called Equipotential lines Water always travel perpendicular to equipotential lines o Well pumping creates a flow tube on the land (zone of capture) Oceans o Geologic observations under the ocean is a new topic Incredible rich source of geologic information o Topography of the oceans are now very well understood Tools o Alvin Mini-submarine that can withstand high pressures
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Lec16 - University of California Berkeley Civil Engineering...

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