Wednesday, May 11, 2011

Trinity River Restoration Flows


Beginning with the construction of Trinity Dam in 1963 flows on the Trinity River have been regulated with water prioritized for irrigation. With seasonal high flows truncated by an artificial hydrograph the river gradually incised and lost connectivity with its floodplain. Recently however, the ESA listing of coho in the Klamath Basin has led to changes in flow management to better replicate the natural runoff regime restoring the function of the river's floodplain and creating off channel habitat for juvenile salmon and steelhead. Check out this series of photos from the Redding Record Searchlight of the Trinity in runoff:

http://www.redding.com/photos/galleries/2011/may/06/trinity-river-flows/17146/

More information on the 2011 flow release schedule:

http://www.trrp.net/water/index.htm

Osprey Issue 62 with an excellent article covering restoration efforts on the Trinity:

http://www.ospreysteelhead.org/archives/TheOspreyIssue62.pdf

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