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The effect of timber harvest on the Fool Creek watershed, 30 Years Later


Troendle, C. A.; King, R. M. 1985. The effect of timber harvest on the Fool Creek watershed, 30 Years Later. Water Resources Research. 21(12): 1915-1922.

The Fool Creek watershed at the Fraser Experimental Forest, Colorado was harvested using a pattern of alternating clearcut and forested strips in 1956. Today, with almost 30 years of postharvest record, subtle impacts on the hydrology of the watershed can be detected that were not significant in the past. In addition to the depositional increases in the snowpack in the openings, average peak water equivalent over the entire watershed has been increased (9%). Long-term, postharvest, climatic records now available show a strong correlation between estimated increases in flow and winter and melt period precipitation. Much of the annual variability in increased flow, now explained by precipitation, was formerly attributed to regrowth or time. Peak discharges, advanced 7.5 days following harvest, have also been increased 20%, with the largest effect occurring in the wettest years. Increases in peak water equivalent, annual flow, and date of peak flow occurrence all appear to be returning to preharvest levels at a very slow rate.

Keywords: timber harvest, flow, Fool Creek watershed, Fraser Experimental Forest


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Title: RMRS Other Publications: The effect of timber harvest on the Fool Creek watershed, 30 Years Later
Electronic Publish Date: May 2, 2011
Last Update:
May 2, 2011

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