IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
Alternative TitleModel of Fuzzy Information for Debris Flow Risk Factor Zoning
韦方强; 谢洪
Corresponding Author韦方强
Source Publication中华水土保持学报


Other Abstract

A typical area should be chosen as the sample area in a region that will be zoned. The information of debris flows must be gathered completely.The risk factor zone according to the complete information of debris flows. The relative alitiude, stratum, lithologic characters, fault, earthquake, annual variability of precipitation, interannual variability of precipitation and the daily range of variability of precipitation interannual variability of precipitation and the daily range of temperature are selected as the main factors influencing the activities of debris flows, and the statuses of these factors are divided. The information quantities of all statuses of the main factors to different risk factor zoes are caculated as the base on the concept of information quantity in the information theory. Different risk factors to different zones constitute a remark set. The general information quantities of every factor to different zones constitute a fuzzy evaluation set. Then the risk factor zones are determined with the principle of maximum membership grade according to the remark set and fuzzy evaluation set.

Keyword泥石流 模糊 信息 危险度分区
Funding Organization中国科学院资源环境“九五”重大项目B(KZ951-B1-202)
Document Type期刊论文
Recommended Citation
GB/T 7714
韦方强,谢洪. 泥石流危险度分区的模糊信息模型[J]. 中华水土保持学报,1999,30(4):273-277.
APA 韦方强,&谢洪.(1999).泥石流危险度分区的模糊信息模型.中华水土保持学报,30(4),273-277.
MLA 韦方强,et al."泥石流危险度分区的模糊信息模型".中华水土保持学报 30.4(1999):273-277.
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