Ice Harbor Dam spill efficiency determined by radio telemetry, 1997

Eppard, M. Brad; Axel, Gordon A.; Sandford, Benjamin P.; Matthews, Gene M.

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Ice Harbor Dam spill efficiency determined by radio telemetry, 1997

1998
By Eppard, M. Brad ; Axel, Gordon A. ; Sandford, Benjamin P. ; ...

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Personal Author:

Eppard, M. Brad ; Axel, Gordon A. ; Sandford, Benjamin P. ; Matthews, Gene M.

Eppard, M. Brad ; Axel, Gordon A. ; Sandford, Benjamin P. ; Matthews, Gene M. Less -
Corporate Authors:

Northwest Fisheries Science Center (U.S.). Fish Ecology Division. ; United States. Army. Corps of Engineers. Walla Walla District.

Northwest Fisheries Science Center (U.S.). Fish Ecology Division. ; United States. Army. Corps of Engineers. Walla Walla District. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; NWFSC (Northwest Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; NWFSC (Northwest Fisheries Science Center) Less -
Description:

The spill program prescribed by the National Marine Fisheries Service (NMFS) in its Biological Opinion was designed to alleviate migrational delays associated with passage at hydroelectric dams. However, high spill volumes increase total dissolved gas (TDG), often above State and Federal water quality standards deemed "safe" for aquatic organisms. The potential survival benefits for juvenile salmonids from increased spill volumes can be offset by mortality caused by elevated TDG levels. During summer 1997, radio-telemetry receivers were deployed to monitor the forebay, juvenile bypass system, spillway, fish ladders, navigation lock, and the tailrace of Ice Harbor Dam. Hatchery-reared subyearling fall chinook salmon were collected and radio tagged at Lower Granite Dam, released into the tailrace ofLower Monumental Dam and monitored as they passed Ice Harbor Dam. Radio-tagged fish that entered the study area but were not recorded in the monitored routes of passage and subsequently exited the study area were assumed to have passed the dam through a turbine unit.
Keywords:

[+]

Animal Radio Tracking Chinook Salmon Effect Of Dams On Effect Of Water Quality On Fishways Migration
Format:

PDF
Document Type:

Non-series Report
Funding:

Contract no. E86970079
Place as Subject:

Ice Harbor Lock and Dam (Wash.) ; Snake River (Wyo.-Wash.)

Ice Harbor Lock and Dam (Wash.) ; Snake River (Wyo.-Wash.) Less -
License:

https://creativecommons.org/publicdomain/zero/1.0/
Rights Information:

CC0 Public Domain
Compliance:

Library
Main Document Checksum:

[+]

urn:sha256:6730e5c815abfa9f2cc2952b70a1d558b0d77a9e3bdf2a0c0d6008855e2a9c63
Download URL:

https://repository.library.noaa.gov/view/noaa/50435/noaa_50435_DS1.pdf
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Ice Harbor Dam spill efficiency determined by radio telemetry, 1997

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