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.
模拟降雨条件下岩溶坡耕地产流产沙特征
- Title:
- Characteristics of Runoff and Sediment on Karst Slopes Under Experiment Conditions of Simulated Rainfall
- 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.
参考文献/References:
[1] 周军红.西南岩溶地区水资源信息系统构建[J].岩土工程技术,2005,19(6):271-275.
[2] 姚长宏,杨桂芳,蒋忠诚,等.岩溶地区生态系统养分平衡研究[J].中国岩溶,2001,20(1):41-46.
[3] Hedin L O, Vitousek P M, Matson P A. Pathways and implications of nutrient losses during four million years of tropical forest ecosystem development[J]. Ecology, 2003,84:2231-2255.
[4] 张信宝,王世杰,曹建华,等.西南喀斯特山地水土流失特点及有关石漠化的几个科学问题[J].中国岩溶,2010,29(3):274-279.
[5] 常勇,吴吉春,姜光辉,等.峰丛洼地岩溶泉流量和水化学变化过程中地面径流的作用[J].水利学报,2012,43(9):1050-1057.
[6] Fu Z Y, Chen H S, Zhang W, et al. Subsurface flow in a soil-mantled subtropical dolomite karst slope:A field rainfall simulation study[J]. Geomorphology, 2015,250:1-14.
[7] 陈磊,李占斌,李鹏,等.野外模拟降雨条件下水土流失与养分流失耦合研究[J].应用基础与工程科学学报,2011(S):170-176.
[8] 张宽地,王光谦,吕宏兴,等.模拟降雨条件下坡面流水动力学特性研究[J].水科学进展,2012,23(2):229-235.
[9] 包含,侯立柱,刘江涛,等.室内模拟降雨条件下土壤水分入渗及再分布试验[J].农业工程学报,2011,27(7):70-75.
[10] 宋玥,张忠学.不同耕作措施对黑土坡耕地土壤侵蚀的影响[J].水土保持研究,2011,18(2):14-16.
[11] 郑子成,吴发启,何淑勤.耕作措施对产流作用的研究[J].土壤,2004,36(3):327-330.
[12] 李裕元,邵明安.土壤翻耕对坡地水分转化与产流产沙特征的影响[J].农业工程学报,2003,19(1):46-50.
[13] 甘艺贤,戴全厚,伏文兵,等.基于模拟降雨试验的喀斯特坡耕地土壤侵蚀特征[J].应用生态学报,2016,27(9):2754-2760.
[14] 袁应飞,戴全厚,李昌兰,等.喀斯特典型坡耕地模拟降雨条件下的土壤侵蚀响应[J].水土保持学报,2016,30(3):24-28.
[15] 陈洪松,杨静,傅伟,等.桂西北喀斯特峰丛不同土地利用方式坡面产流产沙特征[J].农业工程学报,2012,28(16):121-126.
[16] Fu Z, Chen H, Xu Q, et al. Role of epikarst in near-surface hydrological processes in a soil mantled subtropical dolomite karst slope:implications of field rainfall simulation experiments[J]. Hydrological Processes, 2016,30(5):795-811.
[17] Sun W, Shao Q, Liu J. Soil erosion and its response to the changes of precipitation and vegetation cover on the Loess Plateau[J].地理学报:英文版,2013,23(6):1091-1106.
[18] 唐丽霞,张志强,王新杰,等.晋西黄土高原丘陵沟壑区清水河流域径流对土地利用与气候变化的响应[J].植物生态学报,2010,34(7):800-810.
[19] 蒋荣,张兴奇,纪启芳,等.坡度和雨强对喀斯特地区坡面产流产沙的影响[J].环境保护科学,2012,38(5):13-17.
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[9]黄毅,曹忠杰.单喷头变雨强模拟侵蚀降雨装置研究初报[J].水土保持研究,1997,4(04):105.
Huang Yi,Cao Zhongjie.Modeling Erode Rainfall Device by Using Moni-spray Gun to Change Rain Intensity[J].Research of Soil and Water Conservation,1997,4(03):105.
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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