神府东胜煤田扰动地面野外降雨试验
文献类型:期刊论文
作者 | 李宏伟 ; 王文龙 ; 王贞 ; 詹松 ; 车小力 |
刊名 | 水土保持学报
![]() |
出版日期 | 2012 |
卷号 | 26期号:02页码:11-16 |
关键词 | 神府东胜煤田 :Shenfu-Dongsheng coalfield 扰动地面 disturbed lands 野外降雨试验 field rainfall experiment 径流量 runoff amount 产沙量 sediment yield |
其他题名 | Field Rainfall Experiment on the Disturbed Lands During |
中文摘要 | 神府东胜煤田是我国探明储量最大的煤田,在开发建设过程中产生了大量的扰动地面,造成了严重的矿区水土流失。为了科学地预测和治理矿区扰动地面的水土流失,采用野外人工模拟降雨试验对神府东胜煤田扰动地面的侵蚀产沙过程进行模拟,深入探讨其侵蚀产沙、产流特征。结果表明:降雨强度是影响扰动地面产流时间的主要因素,产流时间与降雨强度呈负幂函数相关;在试验条件限定的范围内,入渗率随降雨强度和坡度的增大均呈先增大后稳定的趋势,但坡度对其影响较弱;径流率随降雨强度和坡度的增大均呈幂函数增大,且相关系数较高;径流含沙量和侵蚀速率均与降雨强度呈幂函数相关,但相关系数不高;径流量与降雨强度呈很好的线性相关;产沙量与径流量呈幂函数相关,且相关系数较高 |
英文摘要 | Abstract:Shenfu-Dongsheng coalfield has the largest proven reserves of coal in China.However,the exploitation of the Shenfu-Dongsheng coalfield badly disturbed the ground,which caused severely soil and water erosion. A field rainfall experiment on soil erosion,sediment yield and runoff yield on the disturbed lands was conducted to provide scientific date for predicting and controlling soil and water loss on the disturbed lands. Results indicated that rainfall intensity was a major impact factor in the runoff generation time,with the increase of rainfall intensity,the runoff generation time of disturbed lands decreased with the negative power function distribution range.Infiltration rate increased and then stabled with the increase of rainfall intensity and slope,but with the increase of slope,it changed not obviously.With the increase of rainfall intensity and slope,the runoff rate of disturbed roads increased within the power function distribution range.With the increase of rainfall intensity,the average sediment yield and erosion transport rate of disturbed roads increased with the power function distribution range.There was a linear regression between runoff amount and rainfall intensity,and a power regression between sediment yield and runoff amount,which had high correlation. |
语种 | 中文 |
公开日期 | 2014-06-26 |
源URL | [http://ir.iswc.ac.cn/handle/361005/5355] ![]() |
专题 | 水土保持研究所_水保所知识产出(1956-2013) |
推荐引用方式 GB/T 7714 | 李宏伟,王文龙,王贞,等. 神府东胜煤田扰动地面野外降雨试验[J]. 水土保持学报,2012,26(02):11-16. |
APA | 李宏伟,王文龙,王贞,詹松,&车小力.(2012).神府东胜煤田扰动地面野外降雨试验.水土保持学报,26(02),11-16. |
MLA | 李宏伟,et al."神府东胜煤田扰动地面野外降雨试验".水土保持学报 26.02(2012):11-16. |
入库方式: OAI收割
来源:水土保持研究所
浏览0
下载0
收藏0
其他版本
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。