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基于水文响应单元的泥石流灾害易发性分区方法
Alternative TitleSusceptibility Assessment Method of Debris Flows Based on Hydrological Response Unit
邹强1,2; 唐建喜2; 李淑松2; 范建容1
Corresponding Author邹强
2017
Source Publication山地学报
ISSN1008-2786
Volume35Issue:4Pages:496-505
Other Abstract

以水文响应单元和栅格单元为基础评价单元,运用因子贡献率法和信息量法两种评价模型对安宁河流域进行泥石流灾害易发性评价。研究结果表明,在流域尺度范围内,水文响应单元能够更好体现区域中的微观综合地貌特征,切合区域整体性描述;基于水文响应单元的易发性分区不仅与历史泥石流实际分布情况的契合度较高,而且数学模型方法适应效率较高和区内孕灾条件体现更为明显。由此,建立基于水文响应单元泥石流灾害易发性分区对探求流域尺度范围内泥石流灾害易发性分区方法与评价制图是一个有益的尝试与拓展,可为制定减灾防灾决策提供科学参考。 
 

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In this article,an improved method with combination of grid cell and hydrological response unit as basic evaluation unit was introduced into our improved model to assess the susceptibility of debris flow at the Anning River basin.Information value method and contribute rate method were adopted in the susceptibility assessment model.The results confirmed that at watershed scale,susceptibility zones developed from this assessment model with hydrological response unit not only showed high consistence with the actual debris flow distribution but also agreed better with the regional geographical description as well as the micro geomorphologic characteristics of such area. In addition,the improved assessment model showed better calculation efficiency and well reflected the hazard fostering conditions. Thus,the proposed method is an effective improvement of debris flow susceptibility assessment at watershed scale and it also provide scientific support to disaster reduction and prevention.

Keyword水文响应单元 泥石流 信息量模型 易发性 分区方法
Subject AreaP642.23
DOI10.16089/j.cnki.1008-2786.000247
Indexed ByCSCD ; 北大中文核心
Language中文
CSCD IDCSCD:6066142
Funding Organization国家自然科学基金重点基金项目(41401598) ; 数字制图与国土信息应用工程国家测绘地理信息局重点实验室开放基金资助项目(DM2016SC03) ; 四川旅游发展研究中心项目(LYM12-11) ; 四川省科技支撑项目(2014SZ0163)
Citation statistics
Cited Times:4[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/19113
Collection山地灾害与地表过程重点实验室
中国科学院水利部成都山地灾害与环境研究所
数字山地与遥感应用中心
Affiliation1.中国科学院山地灾害与地表过程重点实验室/中国科学院水利部成都山地灾害与环境研究所
2.西南科技大学环境与资源学院
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
邹强,唐建喜,李淑松,等. 基于水文响应单元的泥石流灾害易发性分区方法[J]. 山地学报,2017,35(4):496-505.
APA 邹强,唐建喜,李淑松,&范建容.(2017).基于水文响应单元的泥石流灾害易发性分区方法.山地学报,35(4),496-505.
MLA 邹强,et al."基于水文响应单元的泥石流灾害易发性分区方法".山地学报 35.4(2017):496-505.
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