水蚀预报中降雨侵蚀力研究进展  

Research Progress of Rainfall Erosivity for Water Erosion Prediction

作　　者：何绍浪 李凤英[1] 何小武[1] HE Shaolang;LI Fengying;HE Xiaowu(College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang , Jiangxi 330045, Chin)

机构地区：[1]江西农业大学国土资源与环境学院,江西南昌330045

出　　处：《水土保持通报》2018年第2期262-270,共9页Bulletin of Soil and Water Conservation

基　　金：国家自然科学基金项目"南方红壤区急陡坡土壤侵蚀机理研究"(31300594);中国气象局气候变化专项"鄱阳湖流域土壤侵蚀对气候变化的响应研究"(CCSF201320)

摘　　要：[目的]分析国内外水蚀预报中降雨侵蚀力的研究现状,探讨降雨侵蚀力的未来研究方向,为准确计算和预报区域降雨侵蚀力奠定基础。[方法]通过查阅国内外文献,从降雨侵蚀力不同研究方面进行综述和分析。[结果]总结了降雨侵蚀力研究中常用的降雨侵蚀力指标、侵蚀性降雨标准,评述了降雨侵蚀力R值的简易计算模型及降雨侵蚀力R值时空分布的研究进展。同时分析了当前降雨侵蚀力研究中存在的不足并指出其发展前景。[结论]国内外在降雨侵蚀力指标和降雨侵蚀力时空分布等方面已取得了一定的成果,今后需加强侵蚀降雨标准、降雨侵蚀力简易计算模型、降雨侵蚀力的影响因素等研究。[Objective]This paper aimed to show present research on situation of rainfall erosivity,and to discuss the development of rainfall erosivity and to provide foundation for accurate calculation and prediction of regional rainfall erosivity.[Methods]The research progress of rainfall erosivity was analyzed by reviewing related literatures in different aspects.[Results]Rainfall erosivity index and erosive rainfall standard were summarized.In addition,the research progresses for simple calculation models of rainfall erosivity and dynamic change of rainfall erosivity were reviewed.The limitations of rainfall erosivity research were also analyzed and some suggestions were put forward.[Conclusion]Rainfall erosivity index,and dynamic change of rainfall erosivity have been made some achievements.Erosive rainfall standard,and simple calculation models of rainfall erosivity,influencing factors of rainfall erosivity research need to be strengthened in the future.

关 键 词：降雨侵蚀力 简易计算模型 时空分布 水蚀预报 

分 类 号：S157.1[农业科学—土壤学]