Contribution of stream channel erosion to sediment yield from an urbanizing watershed
Contribution of stream channel erosion to sediment yield from an urbanizing watershed
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DOI：
10.1126/science.278.5342.1442
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发表时间：
1997-11
期刊：
影响因子：
56.9
通讯作者：
S. Trimble
中科院分区：
文献类型：
--
作者：
S. Trimble
长期以来，河道侵蚀一直被怀疑是城市化流域长期产沙量的主要因素。在加利福尼亚州南部的圣地亚哥小溪，1983年至1993年的测量表明，河道侵蚀每年提供10(5)兆克的泥沙，约占总泥沙产量的三分之二。因此，由于河道侵蚀可能是城市化地区产沙量的主要来源，因此河道稳定应是管理产沙量的优先事项。
Stream channel erosion has long been suspected as the major contributor to long-term sediment yield from urbanizing watersheds. For San Diego Creek in southern California, measurements from 1983 to 1993 showed that stream channel erosion furnished 10(5) megagrams per year of sediment, or about two-thirds of the total sediment yield. Thus, because channel erosion can be a major source of sediment yield from urbanizing areas, channel stabilization should be a priority in managing sediment yield.