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Peak Flow Responses to Clear-Cutting and Roads in Small and Large Basins, Western Cascades, Oregon Public Deposited

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Abstract
  • This study quantified long-term changes in streamflows associated with clear-cutting and road construction and examined alternative hydrologic mechanisms to explain stream hydrograph changes in the Cascades Range, western Oregon. We examined differences in paired peak discharges for 150 to 375 storm events for five basin pairs, using 34-year records from two pairs of 60-to-101-ha experimental basins in the H. J. Andrews Experimental Forest, and 50-to-55-year records from three pairs of adjacent basins ranging from 60 to 600 km². Forest harvesting has increased peak discharges by as much as 50% in small basins and 100% in large basins over the past 50 years. These increases are attributable to changes both in flow routing due to roads and in water balance due to treatment effects and vegetation succession.
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  • Jones, J. A., and G. E. Grant (1996), Peak Flow Responses to Clear-Cutting and Roads in Small and Large Basins, Western Cascades, Oregon, Water Resources Research, 32(4), 959–974, doi:10.1029/95WR03493.
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  • 32
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  • 4
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  • This research was supported by the USFS Pacific Northwest Research Station and grants HRD-9103615 (Visiting Professorships for Women) and BSR-9011663 (Long Term Ecological Research) from the National Science Foundation.
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  • description.provenance : Made available in DSpace on 2012-02-14T00:55:43Z (GMT). No. of bitstreams: 1 JonesJuliaCEOASPeakFlowResponses.pdf: 1463953 bytes, checksum: b22e3e6101906e874d8a777b1ee4638e (MD5) Previous issue date: 1996
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