GEOCHAP16

GEOCHAP16 - GEO-Chapter 16 1. Earth o 97% water, glaciers...

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GEO-Chapter 16 1. Earth o 97% water, glaciers subsurface water lakes, rivers, atmosphere 2. Subsurface water o Zone of aeration: where rocks and soil contain both air and water Percolation: water going down the soil Soil water: soil in the zone o Water table: upper limit zone of saturation Varies with precipitation o Intermediate zone: both saturated and unsaturated o Water mining: pumping water through recharge 3. Nature of underground water o Effluent: ground water seeping into streams o Influent: water seeps from stream into the ground Water table rises Seasonal influent: stream dries up 4. Distribution and available of ground water o Depends on precipitation and evaporation o Porosity: amount of space between rock parts o Permeability: ease of water flow through o Aquifer: storage medium for water o Aquiclude: body of rock that is a barrier to the flow of water o Perched water table: develop where aquicludes are under the aquifer o
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This note was uploaded on 01/13/2012 for the course GEOG 101 taught by Professor Thebpanya during the Fall '07 term at Towson.

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GEOCHAP16 - GEO-Chapter 16 1. Earth o 97% water, glaciers...

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