KMS Institute of Mountain Hazards and Environment,CAS
|Alternative Title||CHAPTER 7 THE REGIONALIZATION OF DEBRIS FLOW HAZARD IN CHINA|
|Source Publication||中国自然灾害区划 灾害区划、影响评价、减灾对策|
|Editor||王劲峰 等 著|
|Keyword||泥石流 孕育环境 分类分级 危险评价指标|
The regionalization boundary lines are mainly in light of the boundary of watershed. Because the occurrence and development ofdebris flow are all under the control of the range of watershed, which namely the synthetcal circulating system including many factors such as geology, landferm, hydrology, climate, ect, the rang of debris flow disaster is also under the control of the range of watershed. the whole country can be divided into four maijor are as according to the ocean where big river draft in and the extent of debris flow disater. The dangerous extent in whole major area and whole year or many years (namely in time and space) are not even, being of the characteristics of phaseand fluctuation. Because the dangerous extent in the same major area is different yet, it can be further divided into four degrees on the basis of debris flow characterstics. The dangerous extent in the debris flow distributed flow distributed area or active regions are not even too. The dangerous area of debris flow mainly locte at accumlative area and transporting area.
|刘琼招,唐川. 第七章 中国泥石流灾害区划. 中国自然灾害区划 灾害区划、影响评价、减灾对策. 北京:中国科学技术出版社,1995:131-166.|
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