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Ice Harbor Lock And Dam Lake Sacajawea Washington Feature Design Memorandum Number 34 Spillway Deflectors
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Book Synopsis Ice Harbor Lock and Dam Lake Sacajawea, Washington. Feature Design Memorandum Number 34 - Spillway Deflectors by :
Download or read book Ice Harbor Lock and Dam Lake Sacajawea, Washington. Feature Design Memorandum Number 34 - Spillway Deflectors written by and published by . This book was released on 1996-09-01 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: River flows passed through the spillways of the dams located on the lower Columbia and lower Snake Rivers produce water that is supersaturated with dissolved gases. These high levels of dissolved gases are detrimental to aquatic life. In the 1970's, spillway deflectors were installed on the spillways of several U.S. Army Corps of Engineers' projects (Bonneville, McNary, Lower Monumental, Little Goose, and Lower Granite Dams) to reduce the high levels of total dissolved gas (TDG) produced. However, in 1976, it was decided to postpone the construction of deflectors at Ice Harbor Dam. Key fishery researchers of that time judged that spillway deflectors at Ice Harbor Dam would cause poor hydraulic conditions in the tailrace that would likely delay or block adult fish passage. Also, the severity and frequency of TDG supersaturation downstream of Ice Harbor Dam was expected to be reduced significantly in the near future because of several factors. These factors included: (1) the recent completion of all six powerhouse turbines at Ice Harbor Dam, which would significantly reduce the amount of spill discharge required during periods of high flow; (2) the recently completed Dworshak Dam, having 3 million acre feet of active flood control storage, which would also reduce the amount of spill required at Ice Harbor Dam due to high flows; and (3) the installation of spillway deflectors and the accelerated schedule for turbine installation at the three lower Snake River dams upstream of Ice Harbor Dam, which would reduce the frequency and level of TDG entering the forebay of Ice Harbor Dam in the near future. This reduction of TDG in the forebay was expected to reduce, to some extent, the level of TDG downstream of Ice Harbor Dam as well. Operation of Ice Harbor Dam has changedh-IS)GT*GD,G9>G-* (DES(
Book Synopsis Energy and Water by : International Association for Hydraulic Research. Congress
Download or read book Energy and Water written by International Association for Hydraulic Research. Congress and published by . This book was released on 1997 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection contains 107 papers exploring hydraulic research presented at Water for a Changing Global Community at the 27th Congress of the International Association for Hydraulic Research, held in San Francisco, California, August 10-15, 1997.
Book Synopsis The Cambridge Economic History of Latin America by : Victor Bulmer-Thomas
Download or read book The Cambridge Economic History of Latin America written by Victor Bulmer-Thomas and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis News for an Empire by : Ralph E. Dyar
Download or read book News for an Empire written by Ralph E. Dyar and published by Literary Licensing, LLC. This book was released on 2011-10-01 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Green History written by Derek Wall and published by Routledge. This book was released on 2003-09-02 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: Charting the origins of the modern ecology movement over more than two thousand years, this volume gives a voice to those hidden from history, revealing "green" themes within artistic and scientific thought.
Book Synopsis Ice Harbor Lock & Dam by : United States. Army. Corps of Engineers
Download or read book Ice Harbor Lock & Dam written by United States. Army. Corps of Engineers and published by . This book was released on 1977 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Little Goose Design Memorandum No.8 by : Walla Walla District Corps of Engineers
Download or read book Little Goose Design Memorandum No.8 written by Walla Walla District Corps of Engineers and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
