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Decayingofdischargeofintermittentdebrisflow

  • LIUJingJing ,
  • LIYong ,
  • CHENGZun Lan ,
  • DANGChao
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  • 1KeyLaboratoryofMountainHazardsandSurfaceProcess,ChineseAcademyofSciences,Chengdu610041 China;

    2InstituteofMountainHazardsandEnvironment,ChineseAcademyofSciences&MinistryofWaterConservancy,Chengdu610041,China;

    3GraduateUniversityoftheChineseAcademyofSciences,Beijing100049,China

Received date: 1900-01-01

  Revised date: 1900-01-01

  Online published: 2008-03-15

Abstract

Theuniversallyremarkablepatternofviscousdebrisflowisintermittentsurge.Accordingtofield observationofJiangjiaravinesince1961,basedonanalyzingthedischargeseriesdata,distributionofdischargehasbeenfoundtobewellfittedbyexponentialfunctionwithexponentvarying with the maximal discharge.Andthe exponentiscloselyrelatedtotheprocessofthetemporalfeatureofthesurgeseries.Furthermore,thesurge dischargeinaseriespresentsremarkablefeatureofdecayingwhichisalsodeterminedbythepeakdischarge.Thatis,surgeserieswithhigherpeakdischargefallsatsteeperslope.Thefeaturesrevealedinthispapershouldbe the intrinsicofdebrisflow.

Cite this article

LIUJingJing , LIYong , CHENGZun Lan , DANGChao .

Decayingofdischargeofintermittentdebrisflow

[J]. Journal of University of Chinese Academy of Sciences, 2008 , 25(2) : 177 -184 . DOI: 10.7523/j.issn.2095-6134.2008.2.006

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