Hydrologic changes after logging in two small Oregon coastal watersheds
Water Supply Paper
2037
By: David Dell Harris
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Abstract
Effects of clearcut, cable logging on the hydrologic characteristics of a small coastal stream in Oregon indicate an average 181-percent increase in sediment yield over a 7-year postlogging period. Annual runoff and high-flow volumes increased 19 and 1.1 inches (480 and 28 mm), respectively, after logging in the watershed. Clearcutting in small, spaced patches in another watershed resulted in some increase in water and sediment yields, but the increase was not statistically significant. Average monthly April-October maximum water temperatures increased significantly in the principal stream of both the clearcut and 'patch-cut' watersheds. Hydrologic characteristics of both streams generally appear to be returning to prelogging conditions (19731.
Suggested Citation
Harris, D.D., 1977, Hydrologic changes after logging in two small Oregon coastal watersheds: U.S. Geological Survey Water Supply Paper 2037, vi, 31 p. :ill., map ;23 cm. --, https://doi.org/10.3133/wsp2037.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Hydrologic changes after logging in two small Oregon coastal watersheds |
| Series title | Water Supply Paper |
| Series number | 2037 |
| DOI | 10.3133/wsp2037 |
| Year Published | 1977 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey ; Washington : for sale by the Supt. of Docs., U.S. Govt. Print. Off., |
| Contributing office(s) | Oregon Water Science Center |
| Description | vi, 31 p. :ill., map ;23 cm. -- |