[1]孙飞达,王立,龙瑞军,等.黄土丘陵区不同降雨强度对农地土壤侵蚀的影响[J].水土保持研究,2007,14(02):16-18.
　SUN Fei-da,WANG Li,LONG Rui-jun,et al.Effects of Farmlands’ Soil Erosion Under Different Intensities of Rainfall in Loess Hilly Regions[J].Research of Soil and Water Conservation,2007,14(02):16-18.
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黄土丘陵区不同降雨强度对农地土壤侵蚀的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 14 期数: 2007年02期 页码: 16-18 栏目: 出版日期: 1900-01-01
Title:
Effects of Farmlands’ Soil Erosion Under Different Intensities of Rainfall in Loess Hilly Regions
作者:
孙飞达1,2, 王立2, 龙瑞军1,3, 路承香2, 包正育2
1. 甘肃农业大学草业学院, 兰州, 730070;
2. 甘肃农业大学林学院, 兰州, 730070;
3. 中国科学院西北高原生物研究所, 西宁, 810008
Author(s):
SUN Fei-da1,2, WANG Li2, LONG Rui-jun1,3, LU Cheng-xiang2, BAO Zheng-yu2
1. Faculty of Grassland Science, Gansu Agricultural University, Lanzhou 730070, China;
2. Forestry College of Gansu Agricultural University, Lanzhou 730070, China;
3. Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China
关键词:
人工模拟降雨; 降雨强度; 土壤侵蚀; 产流产沙
Keywords:
artificial simulation of rainfall; rainfall intensity; soil erosion; sediment and yield runoff
分类号:
S157.1
摘要:
采用人工模拟降雨的方法，对仪器自身性能进行了测试，并分设5种不同的降雨强度分别研究半干旱区林地、草地、人工草地和耕地的产流产沙特征。模拟天然降雨最大雨强5.05 mm/min，雨量118.2-300.3 mm/h；雨滴落地速度、雨滴动能等降雨特征值与天然降雨特征值是一致的；不同立地条件下径流量、侵蚀模数随雨强的增加而增加，并与降雨强度呈指数函数或幂函数关系。
Abstract:
The characteristics of rainfall simulator devices and sediment and yield runoff on farmlands were studied by adopting artificial simulation of rainfall in the semi-arid area of Dingxi, Gansu province. 5 different rainfall intensities were divided. The results showed that the maximum rainfall intensity and the precipitation were 5.05 mm/min and 118.2~300.3 mm/h respectively. The water drop falling velocity, power and others rainfall characteristics were unanimous with natural rainfall. The farmlands runoff and soil erosion were increased with the exponential or the power function of the rainfall intensity.

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备注/Memo

收稿日期:2006-4-20
基金项目:国家自然基金资助项目（39960052）；教育部骨干教师计划项目；中国科学院百人计划资助项目
作者简介:孙飞达（1979- ），男，甘肃靖远人，博士生，主要从事干旱区生态环境治理及恢复研究。
通讯作者:龙瑞军

更新日期/Last Update: 1900-01-01