| 5.12汶川地震四川省平武县次生地质灾害遥感分析 |
| |
| 引用本文： | 秦绪文,张志,杨军杰,黄庭.5.12汶川地震四川省平武县次生地质灾害遥感分析[J].地质科技情报,2009,28(2). |
| |
| 作者姓名： | 秦绪文 张志 杨军杰 黄庭 |
| |
| 作者单位： | 1. 中国地质调查局,北京,100037
2. 中国地质大学地球科学学院,武汉,430074 |
| |
| 基金项目： | 中国地质调查局研究项目 |
| |
| 摘 要： | 5.12汶川特大地震诱发了大量次生地质灾害,形成了堰塞湖等.以多类型、多时相的遥感图像为信息源,在地学知识的支撑下,采用人机交互的方式解析了5.12汶川地震形成的次生地质灾害及潜在地质灾害体.运用地理信息系统叠加技术,探讨了四川省平武县次生地质灾害发生、分布与基础地质背景条件的关系.结果表明:沿平通镇-南坝镇北东向断裂带(为区域上的龙门山中央断裂带北段)分布大量的滑坡体,水观乡-坝子乡-南坝镇一带震旦系地层区灾害点的数量、规模明显高于其他地层区,山河再造中导致了巨大的损失.其研究成果对灾害遥感机理研究具有科学意义,对灾后重建、地震多发地区的防灾具有借鉴作用.
|
| 关 键 词： | 地震次生灾害 遥感识别 灾害分布规律 |
Analysis on the Secondary Geological Disaster in Pingwu of 5.12 Wenchuan Earthquake,Sichuan Based on Remote Sensing Information |
| |
| QIN Xu-wen,ZHANG Zhi,YANG Jun-jie,HUANG Ting.Analysis on the Secondary Geological Disaster in Pingwu of 5.12 Wenchuan Earthquake,Sichuan Based on Remote Sensing Information[J].Geological Science and Technology Information,2009,28(2). |
| |
| Authors: | QIN Xu-wen ZHANG Zhi YANG Jun-jie HUANG Ting |
| |
| Institution: | 1.China Geological Survey;Beijing 100037;China;2.Faculty of Earth Sciences;China University of Geosciences;Wuhan 430074;China |
| |
| Abstract: | The 5.12 Wenchuan Earthquake induced serious secondary geological disasters and formed many barrier lakes.China Geological Survey started a project of researching on the secondary geological disaster of 5.12 Wenchuan Earthquake by using the human-computer interaction technology based on multi-type and multi-temporal remote sensing images and the geosciences knowledge and analysed the secondary geological disasters and the potential geological disaster body.Also,they studied the basic geological background o... |
| |
| Keywords: | secondary geological disaster remote sensing recognition geological disaster distribution |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
