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重庆黔江区斜坡坡度对滑坡发育的贡献率

DOI: 10.3969/j.issn.1674-0696.2014.05.18, PP. 81-84

Keywords: 环境工程,坡度,滑坡,environmentalengineering,slopegradient,landslide

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Abstract:

:？重庆黔江区滑坡灾害发育，而斜坡坡度是影响其发育的重要因素之一。为定量化研究斜坡坡度与滑坡发育的关系，将坡度划分为9个取值区间，分析不同坡度对滑坡数量、面积和体积的贡献情况，采用均值法迭加统计，得到坡度对滑坡发育的综合贡献程度。结果表明坡度15°～30°对滑坡贡献程度最高，坡度10°～15°和30°～40°次之，坡度小于10°及大于40°贡献程度最低。研究结果符合实际，可为黔江区滑坡危险度区划提供可靠依据。

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