[1]王玉宽.暴雨细沟侵蚀的调查研究[J].水土保持研究,1990,(02):45-49,39.
　Wang Yukuan.Study on the Rill Erosion Under Heavy Rainstorm[J].Research of Soil and Water Conservation,1990,(02):45-49,39.
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暴雨细沟侵蚀的调查研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 期数: 1990年02期 页码: 45-49,39 栏目: 出版日期: 1900-01-01
Title:
Study on the Rill Erosion Under Heavy Rainstorm
作者:
王玉宽
中国科学院、水利部西北水土保持研究所 陕西杨陵
Author(s):
Wang Yukuan
Northwestern Institute of Soil and Water Conservation Under Academia Sinica and Ministry of Water Conservancy
关键词:
暴雨; 细沟侵蚀; 坡长坡度
Keywords:
Rainstorm; Rill erosion; Slope gradient and slope length
摘要:
本文通过对1988年8月4～5日和1989年7月16日陕北安塞水土保持试验站出现的两次大暴雨细沟侵蚀的分析研究，得出了野外大暴雨条件下细沟侵蚀量随坡长增加近线性增大；与坡度的关系为，当坡度小于25°时，随坡度增大而增大，当坡度大于25°时，随坡度增大而减小；细沟侵蚀量在不同农耕地的变化为，翻耕后麦地>荞麦地>水平沟谷地>一般耕作豆地，细沟侵蚀量在坡面总侵蚀量中所占的比重为50%～75%。
Abstract:
Through the analysis of 60 sets of rill erosion data under two heavy rainstorms happened on Aug.4 and 5,1988 and July 16,1989 respectively, we got the relationship between rill erosion and slope gradient,relationship between rill erosion and slope length, rill erosion changes on different kind of farming lands, and the proportion of rill erosion amount in the total erosion amount on the farming slope land.

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更新日期/Last Update: 1900-01-01