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Pacific Northwest National Laboratory scientists are using the Sensor Fish and three-dimensional computational fluid dynamics (CFD) modeling to better understand the hydraulic conditions that may be responsible for fish injury in hydroelectric dams on the Columbia River. The lines are simulations of different pathways fish might take once in the spillway. Line colors signify relative time fish could spend in each pathway.

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Document Title: Sensor Fish
Category: Marine Science, Wildlife and Environmental Studies
Media Type: Graphics
Date of Image/Photo: Summer 2002
Background: The Sensor Fish employs computer electronics to measure the pressure and acceleration changes salmon smolts experience in the severe turbulence that forms the hydraulic environment of hydroelectric dams as they migrate down the Columbia River.
URL of this page: http://picturethis.pnl.gov/picturet.nsf/by+id/AMER-5D3QF8

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