12 Freshwater I 5 - irrigated Below is a link for a story...

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Groundwater Surface water #1 irrigation #2 public Supply #1 power generation #2 irrigation Groundwater and Surface Water Use
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Surface Water Groundwater
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Agriculture and the Ogallala Aquifer ¾ of wheat traded on the world market 1930s 600 wells 1970s 200,000 wells Water tables have fallen By up to 100 ft Slowly replenished: Pumping has declined by ½; new wells banned 5 – 25”/yr Rainfall Irrigation
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http://www.npr.org/templates/story/story.php?storyId=12595774
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Unformatted text preview: irrigated Below is a link for a story on NPR Surface Water Groundwater Surface water 79% of withdrawals Ground water 21% of withdrawals #1 use of groundwater is for irrigation #1 use of surface water is for power generation Both ground and surface water withdrawals peaked in 1980 Texas uses the greatest amount of surface water California uses the greatest amount of groundwater Summary...
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12 Freshwater I 5 - irrigated Below is a link for a story...

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