CONTRIBUTIONS OF TUNNEL EROSION TO SEDIMENT YIELD IN A SEMI-ARID BASIN IN THE LOESS PLATEAU OF CHINA

被引：0
|
作者：
T.X. ZHU
机构：
来源：
InternationalJournalofSedimentResearch | 2000年 / 04期
关键词：
Tunnel erosion; Loess Plateau; Semi-arid areas;
D O I：
暂无
中图分类号：
P642 [工程地质学];
学科分类号：
0814 ;
摘要：
To evaluate the geomorphic significance of piping and tunnel erosion in basin sediment yield in semiarid areas, we conducted a field monitoring program in Yangdaogou, a subbasin in the hilly loess region in the Loess Plateau of China in 1989 and 1990. Six tunnel systems were monitored through fifteen flow events. Overall, 57% of total basin sediment was routed through tunnel systems and net tunnel erosion accounted for about 25% of total sediment production of the basin. This study suggests that tunnel erosion can be highly significant in basin sediment delivery and hillslope development in send-arid areas.
引用
收藏
页码：440 / 444
页数：5
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