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Last modified
1/25/2010 6:47:21 PM
Creation date
10/5/2006 1:02:10 AM
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Template:
Floodplain Documents
County
Statewide
Basin
Statewide
Title
Dams and Rivers A Primer on the Downstream Effects of Dams
Date
6/1/1996
Prepared By
USGS
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br /> <br />Introduction <br /> <br />During the past two decades. earth scientists have become increasingly involved in <br />the study of downstream effects of dams. The U.S. Geological Survey has maintained a <br />nationwide network of stream gaging stations since the late 1800s, Some stations have <br />records of the amount of sediment transported downstream. These records provide <br />invaluable data concerning the behavior of a river before and after being dammed. <br />In this Circular. we explore the downstream effects of dams. First. we look at a free. <br />flowing river - the upper Salt River of Arizona - and its natural cycles of flow and sedi- <br />mentation. Then we examine six regulated rivers; the Snake. Rio Grande. Chattahoochee. <br />Platte. Green and Colorado Rivers. Each of these rivers highlights a particular use of a dam <br />or a particular downstream effect. Finally we discuss the role of science in managing <br />dams. <br /> <br />+ <br /> <br />9 <br />
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