典型暴雨泥石流堆积扇危害范围演变规律

doi:10.11870/cjlyzyyhj201705017

长江流域资源与环境 >> 2017, Vol. 26 >> Issue (05): 789-796.doi: 10.11870/cjlyzyyhj201705017

•　自然灾害　• 上一篇

典型暴雨泥石流堆积扇危害范围演变规律

李彦稷^1,2,3, 颜春达⁴, 胡凯衡^1,2, 魏丽^1,2,3

1. 中国科学院山地灾害与地表过程重点实验室, 四川成都 610041;
2. 中国科学院-水利部成都山地灾害与环境研究所, 四川成都 610041;
3. 中国科学院大学, 北京 100049;
4. 云南省昆明市东川区地质灾害防治中心, 云南昆明 654100

收稿日期:2016-11-04 修回日期:2017-01-07 出版日期:2017-05-20
通讯作者: 胡凯衡 E-mail:khhu@imde.ac.cn
作者简介:李彦稷(1991~),女,硕士研究生,主要研究方向为山地灾害防治工程.E-mail:501830073@qq.com
基金资助:
国家重点基础研究发展计划（2015CB452704）；国家自然科学基金面上项目（41371039）；中国科学院山地灾害与地表过程重点实验室开放基金

VARIATION OF HAZARD AREAS OF TYPICAL RAINSTORM DEBRIS FLOW ALLUVIAL FANS

LI Yan-ji^1,2,3, YAN Chun-da⁴, HU Kai-heng^1,2, WEI Li^1,2,3

1. Key Laboratory of Mountain Hazards and Earth Surface Processes, Chinese Academy of Sciences, Chengdu 610041, China;
2. Institute of Mountain Hazards and Environment, Chinese Academy of Sciences & Ministry of Water Conservancy, Chengdu 610041, China;
3. University of Chinese Academy of Sciences, Beijing 100049, China;
4. Yunnan Kunming Dongchuan Geology Disaster Protection Center, Kunming 654100, China

Received:2016-11-04 Revised:2017-01-07 Online:2017-05-20
Supported by:
National Program on Key Basic Research Project (2015CB452704);National Natural Science Foundation of China (41371039);the Open Foundation of Key Laboratory of Mountain Hazards and Earth Surface Processes, Chinese Academy of Sciences

摘要/Abstract

摘要： 以小江流域蒋家沟、大白泥沟为研究区，利用1987~2014年陆地卫星影像数据，采用面向对象自动解译和人工目视解译相结合的方法，生成两条泥石流沟不同时期堆积扇危害范围数据集产品；结合地形资料，分析不同发育期泥石流堆积扇危害范围变化情况及其影响因素。分析表明：（1）1987~2014年，蒋家沟、大白泥沟泥石流堆积扇危害面积出现退缩趋势。（2）处于壮年期的大白泥沟流域堆积扇退缩幅度小，处于老年期的蒋家沟泥石流堆积扇退缩幅度大，且已趋于稳定。（3）水源、物源和人类活动是蒋家沟、大白泥沟堆积扇危害范围变化的主要影响因素。

关键词: 暴雨泥石流, 堆积扇, 演变, TM影像, OLI影像

Abstract: Based on the Landsat images during 1987 to 2014, this paper interpreted the hazard areas of debris flow fans, analyzed their evolution characteristics in the Jiangjia and Dabaini catchments in Xiaojiang Basin, and further discussed the variation of influenced area in Jiangjia and Dabaini catchments, as well as their influential factors of the variation. It revealed that (1) the damaging ranges of debris flow fans have shrunk during the recent 30 years; (2) the development of debris flow fans in Dabaini basin was at the mature stage with lower amplitude of shrinkage, while in Jiangjiagou basin, their development were at the over-mature stage with higher amplitude of shrinkage and stable situation; (3)water, sediment provenance and human activities are the main factors of that influence variation of debris flow fans.

Key words: rainstorm debris flow, alluvial fans, evolution, TM images, OLI images

中图分类号:

P642.23

李彦稷, 颜春达, 胡凯衡, 魏丽. 典型暴雨泥石流堆积扇危害范围演变规律[J]. 长江流域资源与环境, 2017, 26(05): 789-796.

LI Yan-ji, YAN Chun-da, HU Kai-heng, WEI Li. VARIATION OF HAZARD AREAS OF TYPICAL RAINSTORM DEBRIS FLOW ALLUVIAL FANS[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2017, 26(05): 789-796.

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典型暴雨泥石流堆积扇危害范围演变规律

VARIATION OF HAZARD AREAS OF TYPICAL RAINSTORM DEBRIS FLOW ALLUVIAL FANS

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