摘要
岫岩县存在着以崩塌、滑坡、泥石流为主的多种地质灾害。文章野外地质灾害调查和收集的各种资料,建立Acess数据库,并运用MAPGIS软件平台投影转换、空间分析等功能,对岫岩县地质灾害易发程度进行分区。结合地质灾害发生与气象因素的相互关系,提出了各易发区的群发性地质灾害临界降雨量,初步建立了地质灾害气象预报预警和信息的发布程序。
Geological hazards occur mayinly as collapse, slope slip and mud flow etc. in Xiuyan county. A great deal of field investigations have been done and a lot of data were collected to set up Access database of the hazards. By using the function of the GIS software platform＇s projection change and spatial analysis di visions in which geological hazards tend to occur are classified into varied degrees. Combined with geological hazard occurrences vs rainfall relation are put forth the critical rain fall at which the hazards take place to gether in the divisions and the preliminary releasing program of geological hazards is established based on the weather forcast.
出处
《地质找矿论丛》
CAS
CSCD
2005年第B08期152-155,共4页
Contributions to Geology and Mineral Resources Research
关键词
地质灾害
预警预报
预报准则
信息发布
Geological hazards
Early warning based on the weather forcast
prediction criterion
information release
