| Approach, Passage, and Survival of Juvenile Salmonids at Little Goose Dam, Washington: Post-Construction Evaluation of a Temporary Spillway Weir, 2009 Contributor(s): U. S. Department of the Interior (Author) |
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ISBN: 1497347181 ISBN-13: 9781497347182 Publisher: Createspace Independent Publishing Platform OUR PRICE: $16.14 Product Type: Paperback Published: March 2014 |
| Additional Information |
| BISAC Categories: - Nature |
| Physical Information: 0.23" H x 8.5" W x 11.02" (0.60 lbs) 110 pages |
| Descriptions, Reviews, Etc. |
| Publisher Description: This report describes a study of dam passage and survival of radio-tagged juvenile salmonids after installation of a temporary spillway weir (TSW) at Little Goose Dam, Washington, in 2009. The purpose of the study was to document fish passage and survival when the dam was operated with the TSW in place. Spillway weirs are one of several methods used to improve downstream passage of juvenile salmonids. Each spillway weir design is based on the concept of providing an overflow weir with a depth more similar to the natural migration depth of juvenile salmonids than conventional spill bays. Little Goose Dam was the last of the four lower Snake River dams to have a spillway weir installed. This was the first year that some form of surface passage device was operating at all Snake River and Columbia River dams between Lewiston, Idaho, and the Columbia River estuary. |