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Author : Russell A. Moursund
Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.:/5 (487 download)
Download or read book Hydroacoustic Evaluation of Downstream Fish Passage at John Day Dam in 2000 written by Russell A. Moursund and published by . This book was released on 2001 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Russell A. Moursund
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (489 download)
Download or read book Hydroacoustic Evaluation of Fish Passage at John Day Dam in 2000 written by Russell A. Moursund and published by . This book was released on 2000 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Samuel V. Johnston
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (45 download)
Download or read book Fixed-aspect Hydroacoustic Evaluation of Project Fish Passage at John Day Dam During 1999 written by Samuel V. Johnston and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Russell A. Moursund
Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.:/5 (521 download)
Download or read book Hydroacoustic Evaluation of Downstream Fish Passage at John Day Dam in 2002 written by Russell A. Moursund and published by . This book was released on 2003 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David A. Ouellette
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (24 download)
Download or read book Hydroacoustic Evaluation of Juvenile Salmonid Fish Passage at John Day Dam in Summer 1988 written by David A. Ouellette and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Brian D. McFadden
Publisher :
ISBN 13 :
Total Pages : 107 pages
Book Rating : 4.:/5 (228 download)
Download or read book Hydroacoustic Evaluation of Juvenile Salmonid Fish Passage at John Day Dam in Summer 1989 written by Brian D. McFadden and published by . This book was released on 1990 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Llew Johnson
Publisher :
ISBN 13 :
Total Pages : 93 pages
Book Rating : 4.:/5 (385 download)
Download or read book Hydroacoustic Evaluation of the Spill Program for Fish Passage at John Day Dam in 1987 written by Llew Johnson and published by . This book was released on 1987 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gene R. Ploskey
Publisher :
ISBN 13 :
Total Pages : 115 pages
Book Rating : 4.:/5 (244 download)
Download or read book Hydroacoustic Evaluation of Fish Passage Through Bonneville Dam in 2000 written by Gene R. Ploskey and published by . This book was released on 2002 with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 816 pages
Book Rating : 4.E/5 ( download)
Download or read book Progress Report, Fish Passage Development and Evaluation Program written by and published by . This book was released on 1979 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sue Kuehl
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.:/5 (251 download)
Download or read book Hydroacoustic Evaluation of Juvenile Salmonid Fish Passage at John Day Dam in Summer 1986 written by Sue Kuehl and published by . This book was released on 1987 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gene R. Ploskey
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (628 download)
Download or read book Hydroacoustic Evaluation of Fish Passage Through Bonneville Dam in 2004 written by Gene R. Ploskey and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Optimization of Hydroacoustic Deployments at John Day Dam written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes short-term studies conducted in late November and early December 2001 to optimize hydroacoustic sampling techniques for John Day Dam before the 2002 fish passage efficiency (FPE) study. Knowledge gained in this study should significantly improve hydroacoustic sampling and the accuracy of estimates of fish passage at two locations that have presented problems in past studies. The spillway has been most problematic because many fish detected there were not entrained. Without correction, non-commitment of fish can result in multiple detections and overestimation of fish passage and FPE. Trash-rack-mounted, down-looking transducers for sampling unguided fish at a submerged traveling screen (STS) also have posed problems because the beam was aimed so far downstream that researchers had concerns about fish aspect and detectability. The deployments, aiming angles, and ping rates described here should eliminate all problems encountered in previous studies. This report describes hydroacoustic evaluations. The spill-bay deployment identified in this study should completely eliminate multiple detections of fish by limiting the sample volume for counting fish to the deep high-discharge volume adjacent to the gate. Results from testing of transducers deployed in a turbine intake with an STS suggest that, after testing in 2002, it may be possible to cut the number of powerhouse transducers sampling STS units by 50% or to double the spatial sampling coverage with the same number of transducers, all while improving detectability.
Download or read book Hydroacoustic Evaluation of Fish Passage Through Bonneville Dam in 2005 written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Portland District of the U.S. Army Corps of Engineers requested that the Pacific Northwest National Laboratory (PNNL) conduct fish-passage studies at Bonneville Dam in 2005. These studies support the Portland District's goal of maximizing fish-passage efficiency (FPE) and obtaining 95% survival for juvenile salmon passing Bonneville Dam. Major passage routes include 10 turbines and a sluiceway at Powerhouse 1 (B1), an 18-bay spillway, and eight turbines and a sluiceway at Powerhouse 2 (B2). In this report, we present results of two studies related to juvenile salmonid passage at Bonneville Dam. The studies were conducted between April 16 and July 15, 2005, encompassing most of the spring and summer migrations. Studies included evaluations of (1) Project fish passage efficiency and other major passage metrics, and (2) smolt approach and fate at B1 Sluiceway Outlet 3C from the B1 forebay. Some of the large appendices are only presented on the compact disk (CD) that accompanies the final report. Examples include six large comma-separated-variable (. CSV) files of hourly fish passage, hourly variances, and Project operations for spring and summer from Appendix E, and large Audio Video Interleave (AVI) files with DIDSON-movie clips of the area upstream of B1 Sluiceway Outlet 3C (Appendix H). Those video clips show smolts approaching the outlet, predators feeding on smolts, and vortices that sometimes entrained approaching smolts into turbines. The CD also includes Adobe Acrobat Portable Document Files (PDF) of the entire report and appendices.
Author : Russell A. Moursund
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (55 download)
Download or read book Hydroacoustic Evaluation of Fish Passage at The Dalles Dam in 2001 written by Russell A. Moursund and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (628 download)
Download or read book Hydroacoustic Evaluation of Fish Passage Through Bonneville Dam in 2004 written by and published by . This book was released on 2005 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydroacoustic Evaluation of Fish Passage Through Bonneville Dam in 2002 written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Portland District of the U.S. Army Corps of Engineers requested that the Pacific Northwest National Laboratory (PNNL) and the U.S. Army Engineer Research and Development Center (ERDC) conduct fish-passage studies at Bonneville Dam in 2002. The ERDC contracted with MEVATEC Corporation to provide staff ranging from scientists to technicians to help conduct the study. This study supports the Portland-District goal of maximizing fish-passage efficiency (FPE) and obtaining 95% survival for juvenile salmon passing Bonneville Dam. In this report, we present results of two studies of juvenile salmonid passage at Bonneville Dam that we carried out in the 2002 downstream passage season April 20 through July 15, 2002. The first study of Project-wide FPE provides hourly estimates of fish passage and associated variances for all operating turbine units, spill bays, and the two sluiceway entrances at Powerhouse 1 (B1), as well as estimates of a variety of fish-passage efficiency and effectiveness measures. This was the third consecutive year of full-project hydroacoustic sampling and passage estimation. The second study was more narrowly focused on B2 turbines and had two components: (1) to sample the FGE at two modified turbine intakes and compare them with efficiencies of other B2 units that were sampled in the first study, and (2) to evaluate proportions of fish passing up into gatewell slots versus through screen gaps at a few B2 turbine intakes.
Download or read book Hydroacoustic Evaluation of Fish-Passage Efficiency at Bonneville Dam in 2001 written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Portland District of the U.S. Army Corps of Engineers requested that scientists with the Pacific Northwest National Laboratory (PNNL) and the U.S. Army Engineer Research and Development Center (ERDC) conduct the hydroacoustic fish-passage studies described in this report. The ERDC also contracted with MEVATEC Corporation and Dyntel to provide staff ranging from scientists to technicians for the study. This study supports the Portland-District goal of maximizing fish passage efficiency (FPE) and obtaining 95% survival for juvenile salmon passing the Bonneville Project. This report presents results of two hydroacoustic studies of juvenile salmonids. One was a Project-wide study of fish-passage efficiency, and the other was more narrowly focused upon the approach, vertical distribution, and fish-guidance efficiency (FGE) of fish at Unit 15, where the Portland District extensively modified the gatewell and vertical barrier screen to improve gatewell flow and FGE. The goal of the larger of the two studies was to provide project-wide estimates of FPE, spill efficiency, and spill effectiveness for run-of-river fish passing the Bonneville Project during the 2001 out-migration. This type of study also provides estimates of the horizontal, vertical, and diel distributions of fish passage and FGE by turbine unit. These data will provide a baseline for evaluating the performance of future management efforts to improve juvenile fish passage. The goal of the second study was to assess the effect of gatewell and vertical-barrier-screen modifications on the FGE of Unit 15.
