Water and sediment yield from a small catchment in the hilly granitic region, South China

被引：46
|
作者：
Luk, SH [1 ]
diCenzo, PD [1 ]
Liu, XZ [1 ]
机构：
[1] ACAD SINICA,GUANGZHOU INST GEOG,GUANGZHOU,PEOPLES R CHINA
来源：
CATENA | 1997年 / 29卷 / 02期
关键词：
water yield; sediment yield; catchment; gullies; granite region; South China;
D O I：
10.1016/S0341-8162(96)00054-9
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Shenchong experimental basin is located in subtropical Deqing County, in the hilly region of South China. It has a catchment area of 0.73 km(2), and is underlain by granitic rocks with a weathering mantle of about 30 m. Water and sediment yield were monitored at the basin outlet and at a location about 230 m upstream, such that the section between the two stations coincides with the concentration of large gullies. These gullies produce most of the sediment yield of the basin and the pattern of sediment discharge mirrors that of rainfall. However, gullies contribute comparatively little runoff to the basin outflow. Other surface types, including bare slopes, bare rills and the valley floor, together yield considerable runoff because of their large areal coverage.
引用
收藏
页码：177 / 189
页数：13
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