Approach, Passage, and Survival of Juvenile Salmonids at Little Goose Dam, Washington: Post-Construction Evaluation of a Temporary Spillway Weir, 2009
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Prepared in cooperation with the U.S. Army Corps of Engineers Approach, Passage, and Survival of Juvenile Salmonids at Little Goose Dam, Washington: Post-Construction Evaluation of a Temporary Spillway Weir, 2009 Open-File Report 2010–1224 U.S. Department of the Interior U.S. Geological Survey Cover: Photograph of the Little Goose Dam spillway with the temporary spillway weir installed in spill bay 1, on the right. Photograph by Amy Braatz, U.S. Geological Survey, Western Fisheries Research Center, Columbia River Research Laboratory. Approach, Passage, and Survival of Juvenile Salmonids at Little Goose Dam, Washington: Post-Construction Evaluation of a Temporary Spillway Weir, 2009 By John W. Beeman, Amy C. Braatz, Hal C. Hansel, Scott D. Fielding, Philip V. Haner, Gabriel S. Hansen, Dana J. Shurtleff, Jamie M. Sprando, and Dennis W. Rondorf Prepared in cooperation with the U.S. Army Corps of Engineers Open-File Report 2010-1224 U.S. Department of the Interior U.S. Geological Survey U.S. Department of the Interior KEN SALAZAR, Secretary U.S. Geological Survey Marcia K. McNutt, Director U.S. Geological Survey, Reston, Virginia: 2010 For more information on the USGS—the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment, visit http://www.usgs.gov or call 1-888-ASK-USGS. For an overview of USGS information products, including maps, imagery, and publications, visit http://www.usgs.gov/pubprod. To order this and other USGS information products, visit http://store.usgs.gov. Suggested citation: Beeman, J.W., Braatz, A.C., Hansel, H.C., Fielding, S.D., Haner, P.V., Hansen, G.S., Shurtleff, D.J., Sprando, J.M., and Rondorf, D.W., 2010, Approach, passage, and survival of juvenile salmonids at Little Goose Dam, Washington: Post-construction evaluation of a temporary spillway weir, 2009: U.S. Geological Survey Open-File Report 2010-1224, 100 p. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this report is in the public domain, permission must be secured from the individual copyright owners to reproduce any copyrighted material contained within this report. Contents Executive Summary .......................................................................................................................... 1 Introduction ....................................................................................................................................... 7 Description of Study Area ................................................................................................................. 8 Methods .......................................................................................................................................... 10 Radio Telemetry Receiving Systems ........................................................................................... 10 Transmitters ................................................................................................................................ 14 Tagging ....................................................................................................................................... 15 Fish Releases .............................................................................................................................. 16 Analyses ...................................................................................................................................... 17 Proofing ................................................................................................................................... 17 Spill Periods and Environmental Conditions ............................................................................ 18 Fish Data ................................................................................................................................. 18 Approach Distributions and Travel Times ................................................................................ 18 Forebay Residence Time and Tailrace Egress Time ............................................................... 19 Behavior Near the Trash/Shear Boom ..................................................................................... 20 Estimating Passage and Survival Parameters ......................................................................... 21 Results ............................................................................................................................................ 29 Spring Migration Period ............................................................................................................... 29 Dam Operations and Environmental Conditions ...................................................................... 29 Tagging and Releasing Fish .................................................................................................... 31 Approach Distribution............................................................................................................... 34 Travel Time .............................................................................................................................. 37 Forebay Residence Time ......................................................................................................... 37 Behavior Near the Trash/Shear Boom ..................................................................................... 41 Rates of Dam Passage ............................................................................................................ 43 Assessment of Survival Model Assumptions ........................................................................... 44 Passage and Survival Probabilities .......................................................................................... 45 TSW Discovery and Entrance Efficiency .................................................................................. 49 Tailrace Egress ........................................................................................................................ 49 Summer Migration Period ............................................................................................................ 51 Dam Operations and Environmental Conditions ...................................................................... 51 Tagging and Releasing Fish .................................................................................................... 53 Approach Distribution............................................................................................................... 54 Travel Time .............................................................................................................................. 56 Forebay Residence Time ......................................................................................................... 56 Behavior Near the Trash/Shear Boom ..................................................................................... 59 Rates of Dam Passage ............................................................................................................ 61 Assessment of Survival Model Assumptions ........................................................................... 62 Passage and Survival Probabilities .......................................................................................... 63 TSW Discovery and Entrance Efficiency .................................................................................. 66 Tailrace Egress ........................................................................................................................ 66 Discussion ....................................................................................................................................... 68 Acknowledgments ........................................................................................................................... 71 References Cited ............................................................................................................................ 71 Glossary .......................................................................................................................................... 75 iii Appendix A. Fish Release Summaries ............................................................................................ 76 Appendix B. Tag life ........................................................................................................................ 82 Introduction .................................................................................................................................. 82 Methods ....................................................................................................................................... 82 Results ........................................................................................................................................ 84 Appendix C. Route-Specific Survival Estimates and Passage. ....................................................... 86 Appendix D. Dam Operations and River Conditions ....................................................................... 93 Appendix E. Forebay Residence Time ............................................................................................ 96 Appendix F. Synopsis. .................................................................................................................... 97 Figures Figure 1. Map showing overview of the Snake River