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The hydraulic characteristics in compound channels of viscous debris flow: A case study on the Dabaini debris flow gully in Xiaoj fang Basin of Yunnan province, China
Language英语
Yong You1,2; Jinfeng Liu1,2; Guoqiang Ou1,2; Huali Pan1,2
2007
Source Publication2007 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2007
Author of SourceColin Elise K.
Pages4679-4682
meeting2007 IEEE International Geoscience and Remote Sensing Symposium
Conference Date2007
Conference PlaceBarcelona
CountryBarcelona
PublisherIEEE
Contribution Rank1
AbstractThe channels of natural viscous debris flows are all compound. The hydraulic characteristics (wetted perimeter, overflowing area and hydraulic radius) are different under different width ratio of beach to groove and different slurry depth of debris flow. By using the hydraulic calculating method of natural river, this paper discusses the hydraulic characteristics in compound channels of viscous debris flow. The results indicate that the width ratio of beach to groove has a great influence on overflowing capacity and discharge distribution of beach and groove. When the width ratio is the same, the groove discharge decreases with the increase of slurry depth, while the beach discharge increases;when debris flow with the same scale passes by channels which have different width ratio, the overflowing capacity in channels with bigger width ratio is much lager than the smaller one's;the influence between beach and groove in debris flow compound channels can be expressed by COH and it decreases with the increase of debris flow discharge;when debris flow with the same scale passes by compound channels, the bigger the width ratio is the greater the influence between beach and groove is.
Keywordviscous debris flow compound channel hydraulic characteristics
DOI10.1109/IGARSS.2007.4423903
ISBN978-1-4244-1211-2978-1-4244-1212
ISSN2153-6996;2153-7003
URL查看原文
Indexed ByEI
Accession numberAccession number:20080811106128
Citation statistics
Document Type会议论文
Identifierhttp://ir.imde.ac.cn/handle/131551/31252
Collection山地灾害与地表过程重点实验室
Corresponding AuthorYong You
Affiliation1.Key Laboratory of Mountain Surface Process and Hazards, Chinese Academy of Sciences, Chengdu, China;
2.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Yong You,Jinfeng Liu,Guoqiang Ou,et al. The hydraulic characteristics in compound channels of viscous debris flow: A case study on the Dabaini debris flow gully in Xiaoj fang Basin of Yunnan province, China[C]//Colin Elise K.:IEEE,2007:4679-4682.
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