Use of Pressure-Sensitive Film to Quantify Sources of Injury to Fish

Journal Article

Title: Use of Pressure-Sensitive Film to Quantify Sources of Injury to Fish
Publication Date:
January 01, 2005
Journal: North American Journal of Fisheries Management
Volume: 25
Issue: 1
Pages: 57-66
Publisher: Taylor & Francis
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Technology Type:

Document Access

Website: External Link

Citation

Cada, G.; Smith, J.; Busey, J. (2005). Use of Pressure-Sensitive Film to Quantify Sources of Injury to Fish. North American Journal of Fisheries Management, 25(1), 57-66.
Abstract: 

We examined the use of pressure-sensitive film (PSF) to estimate pressures experienced by fish exposed to potentially damaging mechanical and fluid structures during downstream passage at hydroelectric dams. The films responded well to a wide range of applied pressures (0.5–50 MPa), providing reliable estimates of pressures even when contained within waterproof plastic packaging, stacked under other films, and exposed at low water temperatures or low and high relative humidities. Waterproof packages of PSF were field-tested by wrapping them around polycarbonate plastic cylinders and passing them down the spillways of hydroelectric dams. Most of the spillway-passed PSF samples had marks indicating impacts. Many of the marks revealed high values of pressure (e.g., >40 MPa) that are likely to injure fish.

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