14 Groundwater Fundamentals 1

14 Groundwater Fundamentals 1 - 77% of the estimated total...

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Groundwater Fundamentals
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38% surface 62% ground 43% Public Supply 39% Agriculture 8.5% Industrial/Commercial 4.5% Recreation Irrigation 4.0% Domestic Self-supply 62% Agriculture 20% Power 8% Public Supply 6% Recreation Irrigation 4% Industrial/Commercial Reliance on Groundwater U.S. Florida
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Florida 16 million people withdrawing 8 billion gallons/day Almost 30 M by 2030 Leading to an over- exploitation of ground- water resources 38% surface 62% ground 43% to Public Supply
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China India Iran Israel Jordan Mexico Morocco Pakistan Saudi Arabia South Korea Spain Syria Tunisia United States Yemen Withdrawals exceed recharge creating deficits in the aquifer Over-exploitation of renewable and non-renewable aquifers Water Mining Lack of contemporary recharge
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GROUNDWATER . (Mm3/yr) COUNTRY Total use % Non-renewable Saudi Arabia 21,000 84% Libya 4,280 70% Yemen 2,200 32% Jordan 486 31% Egypt 4,850 18% Saudi Arabia and Libya, use
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Unformatted text preview: 77% of the estimated total world extraction of non-renewable groundwater for urban supply and irrigated agriculture. The Middle East Lack of Contemporary Recharge United States 1/3 of irrigation water comes from groundwater The 3 largest aquifers are in arid/semi-arid regions Ogallala Aquifer Midwest Central Valley Aquifer California Southwest Aquifer System Arizona, Utah, Nevada Central Valley Aquifer (California) Pumping 15% more water than is replaced Southwest Aquifer (Utah, Nevada, Arizona ) Pumping 50% more water than is replaced Water storage capacity has declined by 50% High Plains Aquifer (Ogallala) gone in areas of Texas, Oklahoma, Kansas Water table declines up to 100 feet in some areas Phoenix Arizona Growing 2 acres/hr Among the highest water users...
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This note was uploaded on 02/10/2011 for the course SWS 2007 taught by Professor bonczek during the Fall '09 term at University of Florida.

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14 Groundwater Fundamentals 1 - 77% of the estimated total...

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