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Alternative TitleDistribution of Collapse and Landslide Clast Deposit in Debris Flow Basin with RS-GIS after Wenchuan Earthquake
张怀珍1,2; 范建容1; 胡凯衡1; 郭芬芬1,2; 刘飞1,2; 陈阳1,2
Corresponding Author范建容
Source Publication山地学报


Other Abstract

There are many of Collapse and Landslide Clast Accumulation Regions(CLCAR),which from collapse and landslide induced by Wenchuan earthquake,in debris flow basins.So debris flow gully become more activity.In this study,choose 15 debris flow gullies for study in upstream of Minjiang River,from Yinxing to Yingxiu Town.Based on SPOT Remote Sensing images,the Collapse and Landslide Clast Accumulation Regions were identified.Using Geographic Information System technology to analysis spatial distribution of CLCAR;building spatial distribution equations T(x),M(x) and G(x) which describe spatial distribution of CLCAR from basin elevation,lateral distance from main gully and longitudinal distance from lowest point of basin.And use integrations(DT,DM and DG) of spatial distribution functions(T(x),M(x) and G(x)) as quantitative parameters to depict CLCAR spatial distribution.The study show that functions T(x),M(x) and G(x) can well describe spatial distribution of CLCAR in debris flow basin;and DT,DM and DG can use as quantitative parameters of CLCAR describe spatial distribution.The spatial distribution of CLCAR can effect formation and scope of debris flow.So necessary to study CLCAR spatial distribution of debris flow basin in Wenchuan earthquake zones.

Keyword汶川地震 Clcar 遥感 Gis 空间分布
Indexed ByCSCD
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Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
张怀珍,范建容,胡凯衡,等. 汶川地震重灾区泥石流沟内崩滑物空间分布的RS-GIS定量方法[J]. 山地学报,2012,30(1):78-86.
APA 张怀珍,范建容,胡凯衡,郭芬芬,刘飞,&陈阳.(2012).汶川地震重灾区泥石流沟内崩滑物空间分布的RS-GIS定量方法.山地学报,30(1),78-86.
MLA 张怀珍,et al."汶川地震重灾区泥石流沟内崩滑物空间分布的RS-GIS定量方法".山地学报 30.1(2012):78-86.
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