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Author: Nelson R. Nunnally
Publisher:
ISBN:
Category : Aquatic ecology
Languages : en
Pages : 288
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Book Description
Many negative environmental impacts can be avoided by designing flood channels that are in harmony with other fluvial components, minimizing disruptions to existing fluvial and biological systems, and incorporating environmental features into flood channel design. Environmental features are defined as any structures or actions employed in the planning, design, construction, or maintenance of flood control channels that produce environmental benefits. Environmental features may include modifications of standard techniques, such as selective clearing and snagging or single bank construction; modified channel designs, such as low flow channels, pools and riffles, and meandering alignments; structures for erosion and sediment control, water level management, and instream habitat; inclusion of recreational features in project design; and special designs and treatments for aesthetic purposes. Procedures are presented for the design of environmental features. These procedures are based largely on prior experience with the use of environmental features on modified channels and on fluvial processes and natural stream geometry. Tables are provided to help select the best environmental features based on environmental objectives and stream and watershed conditions.
Author: Nelson R. Nunnally
Publisher:
ISBN:
Category : Aquatic ecology
Languages : en
Pages : 288
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Book Description
Many negative environmental impacts can be avoided by designing flood channels that are in harmony with other fluvial components, minimizing disruptions to existing fluvial and biological systems, and incorporating environmental features into flood channel design. Environmental features are defined as any structures or actions employed in the planning, design, construction, or maintenance of flood control channels that produce environmental benefits. Environmental features may include modifications of standard techniques, such as selective clearing and snagging or single bank construction; modified channel designs, such as low flow channels, pools and riffles, and meandering alignments; structures for erosion and sediment control, water level management, and instream habitat; inclusion of recreational features in project design; and special designs and treatments for aesthetic purposes. Procedures are presented for the design of environmental features. These procedures are based largely on prior experience with the use of environmental features on modified channels and on fluvial processes and natural stream geometry. Tables are provided to help select the best environmental features based on environmental objectives and stream and watershed conditions.
Author: United States. Army. Corps of Engineers. St. Paul District
Publisher:
ISBN:
Category : Flood damage prevention
Languages : en
Pages : 144
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Book Description
Author: Richard G. Beidleman
Publisher:
ISBN:
Category : Vertebrates
Languages : en
Pages : 464
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Book Description
This compilation catalogues the writings on the diverse vertebrate species within Colorado's boundaries beginning with the Escalante Expedition, which skirted the western slope a century before Colorado's statehood. Because of its geographical location-between East and West, North and Southwest, its altitudinal range of more than 11,000 feet, and its consequent variety of ecosystems from desert shrub to alpine tundra, Colorado ranks high among the fifty states for its variety of vertebrates. With such an abundance of these vertebrates, biologists and observant laypersons have had much to write about. This comprehensive bibliography is divided into major sections: General Natural History, Fishes, Amphibians, Reptiles, Birds and Mammals. Each taxonomic group has a general section, followed by listings at taxon levels down to alphabetically-arranged species. The bibliography is especially complete with respect to periodical literature through 1995. Colorado Vertebrate Zoology cites resources for studying both well-researched vertebrates and those needing more study.
Author: United States. Federal Highway Administration. Offices of Research and Development
Publisher:
ISBN:
Category :
Languages : en
Pages : 476
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Author:
Publisher:
ISBN:
Category : Hazardous wastes
Languages : en
Pages : 690
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Author:
Publisher:
ISBN:
Category : Alaska
Languages : en
Pages : 1256
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Author:
Publisher:
ISBN:
Category : Lexington (Va.)
Languages : en
Pages : 408
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Author:
Publisher:
ISBN:
Category : Engineering
Languages : en
Pages : 576
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Book Description
Author: William Perry Pendley
Publisher: Simon and Schuster
ISBN: 1621571815
Category : Political Science
Languages : en
Pages : 517
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Book Description
The fascinating story of how Ronald Reagan, self-proclaimed "sagebrush rebel," took his revolutionary energy policies to Washington and revitalized the American economy. Governor Reagan, with his unbridled faith in American ingenuity, creativity, and know-how and his confidence in the free-enterprise system, believed the United States would “transcend” the Soviet Union. To do so, however, President Reagan had to revive and revitalize an American economy reeling from a double-digit trifecta (unemployment, inflation, and interest rates), and he knew the economy could not grow without reliable sources of energy that America had in abundance. The environmental movement was in its ascendancy and had persuaded Congress to enact a series of well-intentioned laws that posed threats of great mischief in the hands of covetous bureaucrats, radical groups, and activist judges. A conservationist and an environmentalist, Ronald Reagan believed in being a good steward. More than anything else, however, he believed in people; specifically, for him, people were part of the ecology as well. That was where the split developed. William Perry Pendley, a former member of the Reagan administration and author of some of Reagan's most sensible energy and environmental policies, tells the gripping story of how Reagan fought the new wave of anti-human environmentalists and managed to enact laws that protected nature while promoting the prosperity and freedom of man—saving the American economy in the process.
Author:
Publisher: Rex Bookstore, Inc.
ISBN: 9789712332623
Category :
Languages : en
Pages : 188
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Book Description
