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Restoration Of Degraded Rivers Challenges Issues And Experiences

Author: Daniel Loucks
Publisher: Springer Science & Business Media
ISBN: 9401728941
Size: 55.45 MB
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In the continued quest for increased economic benefits from our water resources, numerous structures and operating policies for controlling the river flow have been built and implemented. These structures and associated operating policies can facilitate navigation; they can provide greater quantities of reliable water supplies to meet agricultural, industrial and municipal water demands; they can generate hydroelectric power and energy; and they can provide increased flood protection, recreation, and other benefits. Over the past half-century we have converted many of our rivers into engineered waterways. These straightened, often periodically dredged, engineered rivers are complete with dikes, reservoirs, weirs, and diversion canals. All this engineering has enhanced economic development. However, as rivers and their floodplains become stressed from the excessive use and misuse of their resources, their contribution to economic development can be threatened. Evidence of economic and ecological degradation, especially in relatively large river systems such as the Danube, the Mississippi, the Rhine, and the Volga, has increased our appreciation of beneficial roles natural aquatic and terrestrial ecosystems play in water quantity and quality management. We have recognized the need to pay more attention to letting nature help us regulate water quantity and quality rather than working against nature and its variabilities and uncertainties. Today there are efforts underway in many developed river basins to 'de engineer' or return these straightened and controlled rivers to a more natural state.

Restoration Of Degraded Rivers Challenges Issues And Experiences

Author: Daniel Loucks
Publisher: Springer Science & Business Media
ISBN: 9780792349426
Size: 12.93 MB
Format: PDF, ePub, Docs
View: 7509
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In the continued quest for increased economic benefits from our water resources, numerous structures and operating policies for controlling the river flow have been built and implemented. These structures and associated operating policies can facilitate navigation; they can provide greater quantities of reliable water supplies to meet agricultural, industrial and municipal water demands; they can generate hydroelectric power and energy; and they can provide increased flood protection, recreation, and other benefits. Over the past half-century we have converted many of our rivers into engineered waterways. These straightened, often periodically dredged, engineered rivers are complete with dikes, reservoirs, weirs, and diversion canals. All this engineering has enhanced economic development. However, as rivers and their floodplains become stressed from the excessive use and misuse of their resources, their contribution to economic development can be threatened. Evidence of economic and ecological degradation, especially in relatively large river systems such as the Danube, the Mississippi, the Rhine, and the Volga, has increased our appreciation of beneficial roles natural aquatic and terrestrial ecosystems play in water quantity and quality management. We have recognized the need to pay more attention to letting nature help us regulate water quantity and quality rather than working against nature and its variabilities and uncertainties. Today there are efforts underway in many developed river basins to 'de engineer' or return these straightened and controlled rivers to a more natural state.

Proceedings

Author: International Association of Theoretical and Applied Limnology
Publisher:
ISBN: 9783510540457
Size: 33.39 MB
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Water As A Limiting Resource

Author: William David Williams
Publisher:
ISBN:
Size: 34.27 MB
Format: PDF, Mobi
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This book is the first part of the Proceedings of the 26th congress of SIL (Societas Internationalis Limnologiae Theoreticae et applicatae) held in Sao Paolo, Brazil in 1994. It contains the papers of all plenary lectures given at that congress. The meeting had the theme ''Water as a limiting resource: Conservation and Management''. Because of the worldwide impact of the issues discussed in the plenary lectures, SIL thought it important to make this unique collection of papers available to the wide audience outside of its organization.

Environmental Reconstruction In Headwater Areas

Author: Martin J. Haigh
Publisher: Springer Science & Business Media
ISBN: 9780792362951
Size: 30.18 MB
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Proceedings of the NATO Advanced Research Workshop on Environmental Reconstruction in Headwater Areas in Liberec and Prague, Czech Republic, November 21-26, 1997