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How Dams Vary and Why It Matters for the Emerging Science of Dam Removal

How Dams Vary and Why It Matters for the Emerging Science of Dam Removal Articles How Dams Vary and Why It Matters for the Emerging Science of Dam Removal N. LEROY POFF AND DAVID D. HART ams are structures designed by humans to capture Dwater and modify the magnitude and timing of its ANECOLOGICAL CLASSIFICATION OF DAMS movement downstream. The damming of streams and rivers IS NEEDED TO CHARACTERIZE HOW THE has been integral to human population growth and techno- logical innovation. Among other things, dams have reduced TREMENDOUS VARIATION IN THE SIZE, flood hazard and allowed humans to settle and farm pro- ductive alluvial soils on river floodplains; they have harnessed OPERATIONAL MODE, AGE, AND NUMBER the power of moving water for commerce and industry; and they have created reservoirs to augment the supply of water OF DAMS IN A RIVER BASIN INFLUENCES during periods of drought. In the 5000 or so years that hu- THE POTENTIAL FOR RESTORING mans have been building dams, millions have been con- structed globally, especially in the last 100 years (Smith 1971, REGULATED RIVERS VIA DAM REMOVAL WCD 2000). If dams have successfully met so many human needs, why is there a growing call for their removal? The answers to this question require an appreciation of http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png BioScience Oxford University Press

How Dams Vary and Why It Matters for the Emerging Science of Dam Removal

BioScience , Volume 52 (8) – Aug 1, 2002

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References (52)

Publisher
Oxford University Press
Copyright
© 2002 American Institute of Biological Sciences
Subject
Overview Articles
ISSN
0006-3568
eISSN
1525-3244
DOI
10.1641/0006-3568(2002)052[0659:HDVAWI]2.0.CO;2
Publisher site
See Article on Publisher Site

Abstract

Articles How Dams Vary and Why It Matters for the Emerging Science of Dam Removal N. LEROY POFF AND DAVID D. HART ams are structures designed by humans to capture Dwater and modify the magnitude and timing of its ANECOLOGICAL CLASSIFICATION OF DAMS movement downstream. The damming of streams and rivers IS NEEDED TO CHARACTERIZE HOW THE has been integral to human population growth and techno- logical innovation. Among other things, dams have reduced TREMENDOUS VARIATION IN THE SIZE, flood hazard and allowed humans to settle and farm pro- ductive alluvial soils on river floodplains; they have harnessed OPERATIONAL MODE, AGE, AND NUMBER the power of moving water for commerce and industry; and they have created reservoirs to augment the supply of water OF DAMS IN A RIVER BASIN INFLUENCES during periods of drought. In the 5000 or so years that hu- THE POTENTIAL FOR RESTORING mans have been building dams, millions have been con- structed globally, especially in the last 100 years (Smith 1971, REGULATED RIVERS VIA DAM REMOVAL WCD 2000). If dams have successfully met so many human needs, why is there a growing call for their removal? The answers to this question require an appreciation of

Journal

BioScienceOxford University Press

Published: Aug 1, 2002

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