thumbnail

Adult chinook salmon passage at Little Goose Dam in relation to spill operations

By: , and 

Links

  • The Publications Warehouse does not have links to digital versions of this publication at this time
  • Download citation as: RIS | Dublin Core

Abstract

Spill patterns at Little Goose Dam in 2007 were modified in anticipation of a spillway weir installation intended to improve downstream passage of juvenile salmonids. However, in spill pattern was associated with reduced daily counts of adult salmon passing the dam. Consequently, the behaviors and upstream passage times of radio-tagged adult spring–summer Chinook salmon were evaluated in response to three spillway discharge patterns at Little Goose Dam during 2008. Simultaneously, tailrace conditions were characterized by monitoring the downstream paths of GPS-equipped drogues. Two of the spill treatments (i.e., Bulk and Alternate) were variations of patterns thought to mimic those produced if a spillway weir was installed. The third treatment (Uniform) was characterized by spilling similar volumes of water through most spillbays.

Study Area

Additional publication details

Publication type Report
Publication Subtype Other Government Series
Title Adult chinook salmon passage at Little Goose Dam in relation to spill operations
Series number 2009-6
Year Published 2009
Language English
Publisher U. S. Army Corps of Engineers
Contributing office(s) Western Fisheries Research Center
Description iv., 46 p.
Country United States
State Washington
Other Geospatial Ice Harbor Dam, Little Goose Dam
Google Analytic Metrics Metrics page