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Hydroacoustic Evaluation Of The Fish Passage Through Units 1 11 Spillways 3 5 And The Surface Collector At Rocky Reach Dam In The Spring And Summer Of 1996
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Book Synopsis Hydroacoustic Evaluation of the Fish Passage Through Units 1-11, Spillways 3-5, and the Surface Collector at Rocky Reach Dam in the Spring and Summer of 1996 by : Tracey W. Steig
Download or read book Hydroacoustic Evaluation of the Fish Passage Through Units 1-11, Spillways 3-5, and the Surface Collector at Rocky Reach Dam in the Spring and Summer of 1996 written by Tracey W. Steig and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Innovations in Fish Passage Technology by : Mufeed Odeh
Download or read book Innovations in Fish Passage Technology written by Mufeed Odeh and published by . This book was released on 1999 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Odeh (Conte Anadromous Fish Research Center) presents 13 contributions which explore the technical possibilities of constructing effective fish bypass systems for hydroelectric dams, especially those that are due for relicensing in the context of new regulations. The articles consist of case studies in the effectiveness of such techniques as surface bypass systems, modular inclined screens, hydroacoustic evaluation of fish entrainment patterns, surface collection, surface spill gates, and radio-tagging and radar tracking behavior evaluation strategies. Annotation c. Book News, Inc., Portland, OR (booknews.com).
Book Synopsis Hydroacoustic Evaluation of the Fish Passage Through Units 1-5 and the Juvenile Surface Collector at Rocky Reach Dam in the Spring and Summer of 1995 by : Rowland Adeniyi
Download or read book Hydroacoustic Evaluation of the Fish Passage Through Units 1-5 and the Juvenile Surface Collector at Rocky Reach Dam in the Spring and Summer of 1995 written by Rowland Adeniyi and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Fish Passage Technology by : Mufeed Odeh
Download or read book Advances in Fish Passage Technology written by Mufeed Odeh and published by . This book was released on 2000 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydroacoustic Evaluation of the Fish Passage Through the Powerhouse, the Spillways, and the Surface Collector at Rocky Reach Dam in the Spring and Summer of 1997 by :
Download or read book Hydroacoustic Evaluation of the Fish Passage Through the Powerhouse, the Spillways, and the Surface Collector at Rocky Reach Dam in the Spring and Summer of 1997 written by and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydroacoustic Evaluation of Fish Passage Through the Powerhouse and Surface Collectors at Rocky Reach Dam in the Spring of 1998 by : Tracey W. Steig
Download or read book Hydroacoustic Evaluation of Fish Passage Through the Powerhouse and Surface Collectors at Rocky Reach Dam in the Spring of 1998 written by Tracey W. Steig and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydroacoustic Evaluation of Juvenile Salmonid Passage at The Dalles Dam Spillway, 2006 by :
Download or read book Hydroacoustic Evaluation of Juvenile Salmonid Passage at The Dalles Dam Spillway, 2006 written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study was to determine detailed vertical, horizontal, intensive, and diel distributions of juvenile salmonid passage at the spillway at The Dalles Dam from April 12 to July16, 2006. These data are being applied in the Spillway Improvements Program to position release pipes for direct injury and mortality studies and to provide baseline data for assessment of the vortex suppression devices scheduled for deployment in 2007. We estimated fish distributions from hydroacoustic data collected with split-beam transducers arrayed across Bays 1 through 9 and 14. Spill at ~20 kcfs per bay was bulked at Bays 1-6, although the other bays were opened at times during the study to maintain a 40% spill percentage out of total project discharge. The vertical distribution of fish was skewed toward the surface during spring, but during summer, passage peaked at 2-3 m above the spillway ogee. Fish passage rates (number per hour) and fish densities (number per kcfs) were highest at Bay 6, followed by passage at Bay 5. This result comports with spillway horizontal distribution data from radio telemetry and hydroacoustic studies in 2004. The vertical and horizontal distribution of fish passage at bays 5 and 6 was much more variable during spring than summer and more variable at bay 5 than bay 6. Diel distribution data revealed that fish passage was highest during 0600-0700 h in spring; otherwise passage was reasonably uniform on a diel basis. This study substantiates the purpose of the spillway vortex suppression device to re-distribute downstream migrants away from Bay 6 toward Bays 1-5.
Download or read book Fish Passage Technologies written by and published by Office of Technology Assessment. This book was released on 1995 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydroacoustic Evaluation of Fish Passage Through Bonneville Dam in 2000 by : Gene R. Ploskey
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:
Book Synopsis Hydroacoustic Evaluation of Juvenile Salmonid Passage and Distribution at Detroit Dam, 2011 by :
Download or read book Hydroacoustic Evaluation of Juvenile Salmonid Passage and Distribution at Detroit Dam, 2011 written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydroacoustic Evaluation of Juvenile Salmonid Passage and Distribution at Lookout Point Dam, 2010 by :
Download or read book Hydroacoustic Evaluation of Juvenile Salmonid Passage and Distribution at Lookout Point Dam, 2010 written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydroacoustic Evaluation of Fish Passage Through Bonneville Dam in 2004 by : Gene R. Ploskey
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:
Book Synopsis Re-Analysis of Hydroacoustic Fish-Passage Data from Bonneville Dam After Spill-Discharge Corrections by :
Download or read book Re-Analysis of Hydroacoustic Fish-Passage Data from Bonneville Dam After Spill-Discharge Corrections written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The U.S. Army Corps of Engineers - Portland District asked Pacific Northwest National Laboratory to re-analyze four years of fixed-aspect hydroacoustic data after the District made adjustments to spill discharge estimates. In this report, we present new estimates of all major fish-passage metrics for study years 2000, 2001, 2002, and 2004, as well as estimates for 2005. This study supports the Portland District and its effort to maximize survival of juvenile salmon passing Bonneville Dam. Major passage routes through Bonneville Dam include 10 turbines and a sluiceway at Powerhouse 1 (B1), an 18-bay spillway, and eight turbines at Powerhouse 2 (B2) and a sluiceway including the B2 Corner Collector. The original reports and all associated results, discussion, and conclusions for non flow-related metrics remain valid and useful, but effectiveness measures for study years 2000, 2001, 2002, and 2004 as reported in previous reports by Ploskey et al. should be superseded with the new estimates reported here. The fish-passage metrics that changed the most were related to effectiveness. Re-analysis produced spill effectiveness estimates that ranged from 12% to 21% higher than previous estimates in spring and 16.7% to 27.5% higher in summer, but the mean spill effectiveness over all years was only slightly above 1:1 (1.17 for spring and 1.29 for summer). Conversely surface-passage effectiveness decreased in the years this metric was measured (by 10.1% in spring and 10.7% in summer of 2002 and 9.5% in spring and 10.2% in summer of 2004). The smallest changes in the re-analysis were in project fish passage efficiency (0%-1%) and spill efficiency (0.9%-3.0%).
Book Synopsis Hydroacoustic Evaluation of Fish Passage Through Bonneville Dam in 2005 by :
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.
Book Synopsis Hydroacoustic Evaluation of Juvenile Salmonid Passage at The Dalles Dam Sluiceway, 2005 by : Gary E. Johnson
Download or read book Hydroacoustic Evaluation of Juvenile Salmonid Passage at The Dalles Dam Sluiceway, 2005 written by Gary E. Johnson and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydroacoustic Evaluation of Fish Passage Through Bonneville Dam in 1997 by :
Download or read book Hydroacoustic Evaluation of Fish Passage Through Bonneville Dam in 1997 written by and published by . This book was released on 1998 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: "BioSonics was contracted by COE to conduct hydroacoustic studies at Bonneville Dam in 1997 in support of fish passage improvements. The work was organized into two Tasks according to the hydroacoustic methods. Task 1 has three objectives: 1.) Estimate the number of juvenile salmon passing into the sluicechute at the second powerhouse. 2.) Estimate the effects of sluicechute operation on the number submerged traveling screen (STS) guidance efficiency of juvenile salmon entering intake 11A. 3.) Evaluate different types of transducer mounts and mounting locations to estimate juvenile fish passage through the spillway. Task 2 has a single objective: determine the spatial and temporal distribution of juvenile salmon in the forebay of Bonneville Dam, by sluicechute operation, and by day and night. All three objectives of Task 1 were all addressed with fixed-location hydroacoustics. The Task 2 objective was addressed with mobile acoustic techniques." From executive summary.
Book Synopsis Hydroacoustic Evaluation of a Prototype Surface Collector and In-Turbine Screens at Bonneville Dam Powerhouse 1 in 2000 by :
Download or read book Hydroacoustic Evaluation of a Prototype Surface Collector and In-Turbine Screens at Bonneville Dam Powerhouse 1 in 2000 written by and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study was one of many investigations of the U.S. Army Engineer District, Portland, to resolve critical uncertainties in the implementation of surface-collector technologies at Bonneville Dam. This research tested the efficiency of a six-unit version of the Prototype Surface Collector (PSC) and implementation of extended-length submersible bar screens at the dam's Powerhouse 1. The PSC slot configuration for 2000 consisted of a constant 20-ft-wide slot width for all six PSC units. The primary effects evaluated were weekly changes throughout spring and summer in a variety of juvenile fish passage measures, including numbers passing into and under the PSC, efficiency, effectiveness, diel patterns, and horizontal and vertical patterns of distribution. Detailed statistical methods are presented.
