盐池县地质灾害遥感调查及空间分布特征

宁夏盐池县地处黄土高原区,地质灾害较为频繁。以SPOT6、Rapid Eye、无人机以及Land Sat8 OLI等多源遥感数据为基础,通过研究遥感影像特征,建立地质灾害解译标志,共解译出滑坡125处、崩塌84处、泥石流19处、地面塌陷区3处。结合区域地理地质环境特征,总结了研究区地质灾害点的基本特征,并利用GIS技术对灾害点进行点密度分析,在此基础上划分了7个集中分布区,归纳了盐池县地质灾害点的空间分布特征及规律;同时,对研究区地层构造、植被、地形等因素与地质灾害点空间分布特征的相关性进行了讨论。研究结果表明:盐池县地质灾害点具有规模小,灾害轻;点密度整体南高北低,且南部聚集、北部分散;地层...

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Bibliographic details
Volume: 44
Main Author: 张晓东 刘湘南 赵志鹏 赵银鑫 马玉学 刘海燕
Format: Journal Article
Language: Chinese
Place of publication: 2017
published in: 水文地质工程地质 Vol. 44; no. 1; pp. 164 - 170
Data of publication: 2017
ISSN: 1000-3665
Alternate Title: Survey of geological hazards by RS and the spatial distribution characteristics in Yanchi county
Bibliography: 11-2202/P
ZHANG Xiaodong1,2 , LIU Xiangnan1 , ZHAO Zhipeng2 ,ZHAO Yinxin2, MA Yuxue2 , LIU Haiyan2 (1. School of Information Engineering, China University of Geosciences, Beijing 100083, China; 2. Ningxia Geological Survey Institute, Yinchuan , Ningxia 750021, China)
Yanchi county in the Ningxia Autonomous Region lies in the Loess Plateau, where ecological environment is weak and severe geological hazards frequently occur. Based on the RS data such as SPOT6, RapidEye, LandSat80LI and UAV, 125 landslides, 84 collapses, 19 debris-flows and 3 surface collapses are interpreted by examining the RS image characteristics and by building interpretation indication of geological hazards. According to regional geographical and geological environmental characteristics, the basic features of the geological hazard points are summarized. Seven concentrated distribution regions are divided and the spatial distribution characteristics of geological hazard points are characterized on the basis of the point density analysis by em
Subjects:
GIS
Online Access: available in Bonn?
Database: 中文科技期刊数据库
中文科技期刊数据库-CALIS站点
中文科技期刊数据库-7.0平台
中文科技期刊数据库-自然科学
中文科技期刊数据库- 镜像站点
Database information Databases - DBIS