IMHE OpenIR  > 数字山地与遥感应用中心
Alternative TitlePrediction for debris flow runout zones based on spatial distribution of unconsolidated material in watersheds
范建容1; 张怀珍1,2; 郭芬芬1,2; 刘飞1,2
Corresponding Author范建容
Source Publication中国水土保持科学


Other Abstract

Based on SPOT remote sensing images,the landslides induced by "5·12" earthquake were identified.These landslides often supplied the sediment for debris flow.Combining with GIS,spatial distribution of sediment supply was analyzed.Firstly,we defined the function T(s) of debris flow gully’s sediment supply and the relative spatial distribution function F(x),and calculated the distribution integration W and the relative distribution integration D of by sediment supply debris flow to quantitatively describe the spatial distribution of sediment supply of debris flow gully.Taking five debris flows as example,which locate in the upper drainage basins of Minjiang River,near to Yingxiu Town,Wenchuan County,parameters W and D were calculated.Then we used W and D for estimation of these debris flow depositional zones,including the maximum depositional distance L and the maximum depositional width B.The results show that,sediment supply mainly distributed in below middle internal relief zones in five debris flows;sediment supply in zones was near to main gully;the estimated values of L and B approximated to the measured values in five debris flows zones when W and D were introduced.

Keyword遥感 Gis 泥石流 松散固体物 空间分布 堆积扇
Indexed ByCSCD
Citation statistics
Cited Times:1[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
范建容,张怀珍,郭芬芬,等. 基于小流域松散固体物空间分布的泥石流堆积扇形态特征参数估算[J]. 中国水土保持科学,2012,10(2):8-14.
APA 范建容,张怀珍,郭芬芬,&刘飞.(2012).基于小流域松散固体物空间分布的泥石流堆积扇形态特征参数估算.中国水土保持科学,10(2),8-14.
MLA 范建容,et al."基于小流域松散固体物空间分布的泥石流堆积扇形态特征参数估算".中国水土保持科学 10.2(2012):8-14.
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