RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2008, Vol. 17 >> Issue (4): 651-651.

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CALCULATION OF THE POSSIBILITY OF RIVERBLOCKING DUE TO DEBRIS FLOW IN THE UPPER REACHES OF MINJIANG RIVER  

ZHANG Jinshan1,2, XIE Hong1,2   

  • Received:1900-01-01 Revised:1900-01-01 Online:2008-07-20

Abstract:

There are so much serious disasters caused by the debris flow which blocking the mainriver that more and more scholars pay their attention to it.In order to offering the references to controlling of debris flow disasters,such as the assessment of debris flow and the danger degree of debris flow division,the characteristic of the blocking main river type of debris flow and estimating the danger degree of a blocking main river type 8 debris flow gullies were studied in the paper.4 blocking main river type of debris flow gullies,2 semiblocking main river type of debris flow gullies and 2 nonblocking main river types of debris flow gullies in the upper reach of Minjiang River were analyzed.Based on the analysis and comparing characteristics of 8 debris flow gully samples,representational fluid characteristics of each debris flow gully and the characteristics of main rivers where debris flow gully converge,and combining with the works of some scholars,the experiential equation of assessing the possibility in debris flow blocking main river was concluded.

 

Key words: upper reaches of Minjiang River, riverblocking due to debris flow, possibility, experiential equation  

[1] CHEN Jin-yue, WANG Shi-ying. ECO-ENVIRONMENTAL VULNERABILITY EVALUATION IN THE UPPER REACHES OF MINJIANG RIVER [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2017, 26(03): 471-479.
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