Ou Guoqiang

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In order to understand the effect of different land use on soil physics and nutrients properties of the debris flow bottomland, a case study at Daqing gully (in Xiaojiang Basin, Yunnan) was conducted in 2004. Soil samples were taken at depth of 0-10, 10–20, 20–40, 40–60, 60–80 cm under three land use patterns crop bottomland(CL), forest bottomland(FL), and(More)
This paper describes an experimental work in order to assess the efficiency of slit dam on non-viscous debris flow. Some results have been acquired as follow: ① there are three kinds of blocking type: Total-blocking, opening and part-blocking. The blocking conditions of slit dam are closely link tob/d max (the ratio of slit width to maximum diameter of(More)
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