【摘要】 侵蚀性降雨,是指能够引起土壤侵蚀的降雨。确定侵蚀性降雨的标准,是土壤侵蚀预报研究的一项基本内容。本文采用频率分析的方法,通过对黑土侵蚀区克山水保试验站径流小区4年24次天然侵蚀性降雨资料的统计分析,确定了黑土区农地侵蚀性降雨的基本雨量标准、一般雨量标准、瞬时雨率标准和暴雨基本雨量标准。更多还原

【Abstract】 The erosive rain is defined as rain, which can cause soil erosion.Its criterion is one of the basic contents concerned with study on predicting soil erosion.In result of statistic analysis of precipitation of 24 events in 4 years on plots of Keshan Testing Station located in the chernozem by using the method of frequency analysis, the criteria of erosive rain are defined,including basic precipitation criterion,instantaneous precipitation rate criterion and rainstorm criterion.更多还原