降雨特性与排土场边坡水力侵蚀的关系  

RAINFALL CHARACTER ISTICS AND DUMP SLOPE RELATIONSHIP BETWEEN WATER EROSION

作　　者：陈海迟[1] 丁占强 杨翠林[2] 

机构地区：[1]内蒙古机电职业技术学院,呼和浩特010030 [2]内蒙古准格尔旗水土保持局,薛家湾010300

出　　处：《内蒙古农业大学学报（自然科学版）》2011年第2期103-108,共6页Journal of Inner Mongolia Agricultural University(Natural Science Edition)

摘　　要：本文以准格尔旗黑岱沟露天煤矿东排土场为研究对象,针对露天矿排土场特殊的土壤侵蚀特点,选择不同排弃年限的排土场边坡坡度比较一致的坡面,分别在排弃年限为当年(2009年)、4年(2006年-2009年)、10年(2000年-2009年)的排土场边坡上布设径流小区,在径流小区中设置自记雨量计,记录降雨过程,据此计算每一次降雨的降雨量、降雨历时、平均降雨强度、最大30min雨强、降雨侵蚀力等。测算各降雨条件下不同排弃年限的排土场边坡产生的径流量和产沙量,分析降雨特性与排土场边坡水力侵蚀的关系。This paper Zhungeer East open pit coal mine as the research object dump,open pit dump for the special characteristics of soil erosion,select a different number of years the abandoned dump slope slope slope more consistent,respectively,in the abandoned period for the year（2009）,4 years（2006-2009）,the 10 years（2000-2009） of the waste pile runoff plots laid the sidelines of the slope,in the runoff from the record set rain gauge to record rainfall,rainfall this calculation every rainfall,rainfall duration,average rainfall intensity,maximum 30min rainfall intensity,rainfall erosivity and so on.Estimates of the rainfall in different years of the abandoned dump slope generated by the amount of runoff and sediment yield,analysis of rainfall characteristics and dump slope of the relationship between water erosion.

关 键 词：降雨 土壤侵蚀 坡度 径流小区 

分 类 号：S157.1[农业科学—土壤学]