geology_26

geology_26 - Chapter 11 Water Resources cont Global water...

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Chapter 11: Water Resources cont. Global water cycle: Water’s vertical movement Upflow: Evaporation, transpiration Downflow: Precipitation and infiltration Water’s horizontal movement Surface runoff Subsurface flow Surface water: Surface runoff Drainage network Drainage basin or watershed Drainage divide Stream order and size of drainage basin Sediment yield in surface runoff Geological factors Topographic factors : Relief and slope gradient Climatic factors : Type, intensity, duration, and distribution of precipitation Vegetation factors Land-use practice factors Groundwater: Groundwater (GW) profile Vadose zone (unsaturated zone) Zone of saturation Water table : The boundary of the above two zones Perched water table : Local water table above a regional water table
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Groundwater movement: Porosity : Percentage of void (empty) space in
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This note was uploaded on 04/08/2011 for the course GEOL 2001 taught by Professor Babaie during the Winter '09 term at UGA.

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geology_26 - Chapter 11 Water Resources cont Global water...

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