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Laboratory Studies of the Effects of Pressure and Dissolved Gas Supersaturation on Turbine-Passed Fish

Technical Report ·
DOI:https://doi.org/10.2172/1218152· OSTI ID:1218152
 [1];  [1];  [2]
  1. Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
  2. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
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Designing advanced turbine systems requires knowledge of environmental conditions that injure or kill fish such as the stresses associated with hydroelectric power production, including pressure changes fish experience during turbine passage and dissolved gas supersaturation (resulting from the release of water from the spillway). The objective of this study was to examine the relative importance of pressure changes as a source of turbine-passage injury and mortality. Specific tests were designed to quantify the response of fish to rapid pressure changes typical of turbine passage, with and without the complication of the fish being acclimated to gas supersaturated water. The study investigated the responses of rainbow trout (Oncorhynchus mykiss), chinook salmon (O. tshawytscha), and bluegill sunfish (Lepomis macrochirus) to these two stresses, both singly and in combination.
Research Organization:
US Department of Energy (USDOE), Washington, DC (United States). Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Water Power Technologies Office; Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Water Power Technologies Office
DOE Contract Number:
AC06-76RL01830
OSTI ID:
1218152
Report Number(s):
DOE/ID--10853; 3765
Country of Publication:
United States
Language:
English

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Related Subjects

13 HYDRO ENERGY
54 ENVIRONMENTAL SCIENCES
59 BASIC BIOLOGICAL SCIENCES
Chinook
bluegill
bluegills
changes
dissolved
fish
gas
injure
injury
kill
passage
pressure
rainbow
salmon
spillway
stress
stresses
stressors
sunfish
supersaturation
test(s)
trout