[1]方荣杰,朱晓锋,江斌伟,等.模拟降雨条件下岩溶坡耕地产流产沙特征[J].水土保持研究,2018,25(03):11-16.
　FANG Rongjie,ZHU Xiaofeng,JIANG Binwei,et al.Characteristics of Runoff and Sediment on Karst Slopes Under Experiment Conditions of Simulated Rainfall[J].Research of Soil and Water Conservation,2018,25(03):11-16.
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模拟降雨条件下岩溶坡耕地产流产沙特征

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 25 期数: 2018年03期 页码: 11-16 栏目: 出版日期: 2018-04-10
Title:
Characteristics of Runoff and Sediment on Karst Slopes Under Experiment Conditions of Simulated Rainfall
作者:
方荣杰1,2,3, 朱晓锋1, 江斌伟1, 莫华涛1
1. 桂林理工大学 环境科学与工程学院, 广西 桂林 541006;
2. 桂林理工大学 广西环境污染控制理论与技术重点实验室, 广西 桂林 541004;
3. 桂林理工大学 岩溶地区水污染控制与用水安全保障协同创新中心, 广西 桂林 541004
Author(s):
FANG Rongjie1,2,3, ZHU Xiaofeng1, JIANG Binwei1, MO Huatao1
1. College of Environmental Science and Engineering, Guilin University of Technology, Guilin, Guangxi 541006, China;
2. Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin, Guangxi 541004, China;
3. Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin, Guangxi 541004, China
关键词:
模拟降雨; 坡耕地; 产流时间; 水文过程; 产沙量
Keywords:
simulated rainfall; slope farmland; runoff time; hydrological pathway; sediment yield
分类号:
S157.1
摘要:
采用室内人工模拟降雨的方法，开展了翻耕措施下不同雨强（63 mm/h和100 mm/h）对岩溶坡耕地产流产沙过程影响的试验研究，结果表明：同一雨强下，坡度越大，产沙量越大；同一坡度下，雨强越大，地表以及地下孔隙流产流越快发生，而壤中流在坡度小于5°时的63 mm/h雨强产流较快，坡度大于5°时则100 mm/h雨强产流较快；同一坡度时，不同的雨强下产流均以壤中流为主，雨强越大，径流量越大，其中壤中流最大，地表径流最小。以上研究能够为揭示西南喀斯特地区坡耕地土壤水蚀原理和石漠化防治提供理论支撑。
Abstract:
Simulated rainfall in laboratory was used to study the effects of various rainfall intensities (63 mm/h and 100 mm/h) on the processes of runoff and sediment erosion on slopping lands in karst area under plough. The results are as followings. First, with the same rainfall intensity, the steeper a slope land is, the greater the sediment yield is. Second, with the same slope conditions, the greater the rainfall intensity is, the faster surface runoff and underground pore flow generate water. Third, with the same slope conditions, runoff was interflow based on under different rainfall intensities, and there is the positive correlation between runoff and rainfall intensity. As for the runoff, interflow is the most while the surface flow is the least. The above findings can provide the theory for the revelation on the principle of slope land soil water erosion in southeast karst region and control for the rock desertification.

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备注/Memo

收稿日期:2017-06-08;改回日期:2017-08-02。
基金项目:国家自然科学基金（41301289，51369009）；国家重点研究计划项（2016YFC0502403）；广西高等学校高水平创新团队及卓越学者计划项目（002401013001）
作者简介:方荣杰(1966-),男,广西桂林人,研究员,硕士生导师,从事水资源可持续利用与水环境保护研究。E-mail:glfrj@126.com

更新日期/Last Update: 1900-01-01