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Unformatted text preview: less than 1% of earth's moisture is actively moving around in annual hydrologic cycle 97.2% world's water = oceans 2.15% ice sheets/glaciers .63% groundwater freshwater lakes - .009%, stream channels .0001%, atmosphere .001%, soil water .005%, saline lakes/inland seas .008% Reservoirs residence time of a reservoir within hydrologic cycle is average time a molecule will spend in that reservoir. measure of average age of water in that reservoir oceans 3,200 years glaciers 20-100 years seasonal snow cover 2-6 months soil moisture 1-2 months shallow groundwater 100-200 years...
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This note was uploaded on 11/19/2011 for the course GEOG 1002 taught by Professor Engstrom during the Fall '11 term at GWU.
- Fall '11