[1]王勇强,王玉宽,傅斌,等.不同耕作方式对紫色土侵蚀的影响[J].水土保持研究,2007,14(03):333-335.
　WANG Yong-qiang,WANG Yu-kuan,FU bin,et al.Study of Soil Erosion in Areas of Purple Soil Under Various Cultivation Systems[J].Research of Soil and Water Conservation,2007,14(03):333-335.
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不同耕作方式对紫色土侵蚀的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 14 期数: 2007年03期 页码: 333-335 栏目: 出版日期: 1900-01-01
Title:
Study of Soil Erosion in Areas of Purple Soil Under Various Cultivation Systems
作者:
王勇强1,2, 王玉宽1, 傅斌1,2, 王先拓1,2, 王道杰1
1. 中国科学院水利部成都山地灾害与环境研究所, 成都, 610041;
2. 中国科学院研究生院, 北京, 100049
Author(s):
WANG Yong-qiang1,2, WANG Yu-kuan1, FU bin1,2, WANG Xian-tuo1,2, WANG Dao-jie1
1. Institute of Mountain Hazards and Environment of CAS, Chengdu 610041, China;
2. Graduate School of Chinese Academy of Science, Beijing 100049, China
关键词:
紫色土区; 人工模拟降雨; 径流含沙量; 稳定侵蚀率
Keywords:
areas of purple soil; artificial simulation of rainfall; sediment concentration; the stable erosion ratio
分类号:
S157
摘要:
采用人工模拟降雨试验法对四川盆地丘陵区不同耕作方式紫色土侵蚀的影响实验结果表明：在平面耕作与顺坡垄作两种耕作方式下地表侵蚀率随着降雨历时的变化过程可以用对数相关方程进行描述，20 min是侵蚀率变化的转折点;两种耕作制起初的径流含沙量变化起伏较大，以后随着降雨历时的延长，含沙量总体趋于稳定;顺坡耕作加大了土壤侵蚀，两种方式地表稳定侵蚀率最大可以相差0多倍.
Abstract:
With artificial simulation of rainfall tests,under various cultivation systems erosion and sedimentation in hilly areas of purple soil are studied and the following results are obtained: Under contour cultivation and down slope-ridge cultivation sedimentation rate varied with rainfall course and could be described with logarithmic equation,sedimentation rate didn’t change until 20 min after runoff began;Under the two cultivation the sediment concentration firstly little variety,with the rainfall going the sediment concentration has a stable trend.Compared the two cultivation,down slope-ridge cultivation aggravate the soil erosion,the stable erosion ratio under down slope-ridge cultivation is at most 36 times than contour cultivation.

参考文献/References:

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备注/Memo

收稿日期:2006-5-22
基金项目:国家973项目(2003CB415202);中科院知识创新项目(KZCX3-SW-330)
作者简介:王勇强(1981- )，男，四川郫县人，硕士研究生，从事土壤侵蚀和水土保持研究.

更新日期/Last Update: 1900-01-01