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Journal of Environmental Hydrology
ISSN 1058-3912 |
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Electronic Journal of the International Association for
Environmental Hydrology
JEH Volume 17 (2009), Paper 27 Posted October 22, 2009 RESHAPING THE ANNUAL HYDROGRAPH AT IRON GATE DAM TO BENEFIT ANADROMOUS FISH POPULATIONS IN THE KLAMATH RIVER, CA
Sharon G. Campbell ABSTRACT A decision support system that integrates hydrology, water quality and anadromous fish production has been developed for the mainstem Klamath River, Oregon and California, USA. The Systems Impact Assessment Model (SIAM) analyses identified a recurring annual hydrograph shape for Iron Gate Dam releases that consistently yielded greater predicted fish production estimates. Applying the altered flow pattern in some simulations resulted in increased fish production estimates ranging from 3 to 605 % compared to an unaltered or historical hydrograph. Altering the Iron Gate Dam hydrograph may provide a positive management tool for increasing the production of Chinook salmon in the mainstem Klamath River. Reference: Campbell, S.G., and J. Heasley. 2009. Reshaping the annual hydrograph at Iron Gate Dam to benefit anadromous fish populations in the Klamath River, CA. Journal of Environmental Hydrology, Vol. 17, Paper 27. CONTACT: Sharon G Campbell Fort Collins Science Center 2150 Centre Ave., Bldg. 'C' Fort Collins, CO 80526 E-mail: campbells@usgs.gov |
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