Geomorphic impacts of timber harvesting |
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Authors: | Olav Slaymaker |
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Affiliation: | Department of Geography, The University of British Columbia, Vancouver, B. C. V6T 1Z2, Canada |
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Abstract: | Timber harvesting influences (a) forest hydrology; (b) fluvial geomorphology; (c) terrain stability; and (d) integrated watershed behavior. Impacts on forest hydrology are well understood and include increased average runoff, total water yield, increased storm runoff and advances in timing of floods. Stream channels and valley floors are impacted differently by fine sediment, coarse sediment and large woody debris transport. Terrain stability is influenced through gully and mass movement processes that are accelerated by timber harvesting. Impacts on integrated watershed behavior are assessed through disturbed sediment budgets and lake sediments. |
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Keywords: | timber harvesting forest hydrology stream channel hillslope stability. |
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