Ice Harbor Lock And Dam Snake River Project Oregon Washington And Idaho Design Memorandum No 13 1 Navigation Approach Channels
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Ice Harbor Lock And Dam Lake Sacajawea Washington Feature Design Memorandum Number 34 Spillway Deflectors
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Author :
language : en
Publisher:
Release Date : 1996-09-01
Ice Harbor Lock And Dam Lake Sacajawea Washington Feature Design Memorandum Number 34 Spillway Deflectors written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-09-01 with categories.
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(
Mcnary Reservoir Navigation At Ice Harbor Dam Snake River Washington
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Author :
language : en
Publisher:
Release Date : 1983
Mcnary Reservoir Navigation At Ice Harbor Dam Snake River Washington written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Channels (Hydraulic engineering). categories.
Inland Navigation
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Author : Thomas J. Pokrefke
language : en
Publisher: ASCE Press
Release Date : 2013
Inland Navigation written by Thomas J. Pokrefke and has been published by ASCE Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Technology & Engineering categories.
MOP 124 presents design guidance on structures that reshape a river channel to create reliable depths and widths for safe and dependable vessel transit.
Technical Support Document For Water Quality Based Toxics Control
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Author :
language : en
Publisher:
Release Date : 1984
Technical Support Document For Water Quality Based Toxics Control written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Toxicology categories.
Dams And Rivers
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Author : Michael Collier
language : en
Publisher:
Release Date : 1996
Dams And Rivers written by Michael Collier and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Chattahoochee River categories.
Outlines the role of science in restoring or otherwise altering unwanted downstream effects of dams, including eroding river banks, changes in waterfowl habitat, threats to safe recreational use, and the loss of river sand bars, examining seven selected areas of the country -- the upper Salt River in central Arizona; the Snake River in Idaho, Oregon and Washington; the Rio Grande in New Mexico and Texas; the Chattahoochee River in Georgia; the Platte River in Wyoming, Colorado and Nebraska; the Green River in Utah; and the Colorado River in Arizona -- to focus on specific downstream effects of dams and the management issues related to their operation.
Fish Passage Technologies
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Author :
language : en
Publisher: Office of Technology Assessment
Release Date : 1995
Fish Passage Technologies written by and has been published by Office of Technology Assessment this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Nature categories.
Third Powerplant
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Author :
language : en
Publisher:
Release Date : 1969
Third Powerplant written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Grand Coulee Dam (Wash.) categories.
Repair And Rehabilitation Of Dams
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Author : James E. McDonald
language : en
Publisher: Washington, D.C. : U.S. Army Corps of Engineers, Engineer Research and Development Center
Release Date : 1999
Repair And Rehabilitation Of Dams written by James E. McDonald and has been published by Washington, D.C. : U.S. Army Corps of Engineers, Engineer Research and Development Center this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Arch dams Maintenance repair Case studies categories.
This study was conducted to identify methods that have been used in the repair and rehabilitation of concrete dams. Information was obtained through literary searches, discussions with project personnel, and visits to project sites. Each case history includes a background of the project, the deficiency that necessitated repair or rehabilitation, and descriptions of materials and methods used in the repair or rehabilitation. When available, the cost of the repair project and the performance of the repair to date have been included. Case histories included in this report cover a range of deficiencies in concrete structures, including cracking, spalling, erosion, leakage, inadequate PMF capacity, expansion resulting from alkali-aggregate reaction, instability, and insufficient storage capacity.
Dam Removal
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Author :
language : en
Publisher: H. John Heinz III Center for Science Economics and Environme
Release Date : 2002
Dam Removal written by and has been published by H. John Heinz III Center for Science Economics and Environme this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Technology & Engineering categories.
Report focuses on the removal of small dams, defined as storing 1-100 acre-feet of water.
Dams And Public Safety
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Author : Robert B. Jansen
language : en
Publisher:
Release Date : 1983
Dams And Public Safety written by Robert B. Jansen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Dam safety categories.