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Groundwater

Groundwater is water located below the Earth's surface in two zones: the Zone of Aeration and the Zone of Saturation. The water table serves as the boundary where these zones meet. Recharge zones are areas where water enters the aquifer, a rock layer storing groundwater. Porosity, the percentage of open spaces between rock particles, and permeability, a rock's ability to let water pass through, influence groundwater flow. Percolation is when water passes through soil spaces due to gravitational forces.

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Groundwater

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  1. Groundwater

  2. Groundwater • Water located below the Earth’s Surface • Two zones • Zone of Aeration • Zone of Saturation • Water table is the boundary where the two zones meet • Recharge zone is the ground surface area where water enters the aquifer http://www.groundwater.water.ca.gov/images/recharge.gif

  3. Aquifer http://water.tamu.edu/images/aquifer.jpg

  4. Aquifer • A rock layer that stores and allows the flow of groundwater.

  5. Porosity • Percentage of open space between individual rock particles • Influenced by the size of the particles http://earthnet-geonet.ca/images/glossary/porosity.jpg

  6. Permeability • Rocks ability to let water pass through • Larger particles produce less friction http://www.mhhe.com/earthsci/geology/mcconnell/images/anim_permeability.gif

  7. Percolation • Water passing through the spaces in the soil due to gravitational forces http://www.uvm.edu/giee/AV/EDU/ONLINE/M_Hydro/GIFS/Perc_process.GIF

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