三峡库区土质道路侵蚀产沙过程的模拟降雨试验.pdfVIP

29 12 Vol. 29, No. 12 2009 12 ACTA ECOLOGICA SIN ICA Dec. , 2009 1, 2 2, * 1 1 3 史志华 , 陈利顶 , 杨长春 , 闫峰陵 , 彭业轩 ( 1. , 430070; 2. , 100085; 3. , 443600) 1 : , 5, 1. 0 mm m in , , 1~ 3mm , 7~ 10 mm , 60% , 1 1 70% , 0. 69 mm m in 0. 84 mm m in , 3~ 4, ; , : ; ; ; ; : 1000 0933( 2009) 12 6785 08 : Q143 : A Soil loss and runoff processes on unpaved road from rainfall simulation tests in the Three Gorges Area, China 1, 2 2, * 1 1 3 SH I ZhiHua , CHEN LiD ing , YANG Chang Chun , YAN Feng L ing , PENG Ye Xuan 1K ey L ab of Subtrop ical Agriculture E nvironm ent, H uazhong Agricultural University, Wuhan 430070, Ch ina 2 State K ey Laboratory of Urban an Regional E cology, Research Center f or Eco-E nvironm ental Sciences, Ch inese Aca emy of Sciences, Bejiing 100085, Ch ina 3Soil an Water Conservation B ureau of Z igui County, H ubeiP rovince 443600, Ch ina A cta E co log ica S in ica, 2009, 29( 2) : 6785~ 6792. Abstract: Unpaved roads are common in mountainous areas. This study exam ined the characteristics of surface runoff and sed mi ent production from unpaved roads in W angjiaqiao watershed of the Three Gorges Area of China using a