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thecharacteristicsofdikebreakfloodindifferentscenariosoftheloweryellowriverbasedonnumericalsimulations
YANG Qinye1; KANG Xiangwu2; XIA Fuqiang1; MA Xin1; YANG Peiguo1
2007
Source Publicationjournalofgeographicalsciences
ISSN1009-637X
Volume17Issue:1Pages:85
AbstractThe lower Yellow River still faces the threat of flood due to the unusual precipitation caused by global environmental change, river channel sedimentation, hidden danger in the dike and unfavorable river regime of "hanging river". According to the characteristics of the dike-break flood of the Yellow River, this paper has simulated, in six different scenarios, the dike-break flood routing by inputting the terrain data, typical historical flood data and land use data of study area to two-dimensional unsteady flow model. The results show that: firstly, the routing process of flood will occupy other rivers on the way and return to the rivers after reaching the lower reaches; secondly, in the same river reach, flood inundating area of north band is bigger than that at corresponding location of south bank under the same historical flood; thirdly, it is different in the degree of flood inundation in different regions due to different geographical locations in flood plain; fourthly, the area of mainstream where flood is deep and flow velocity is quick is relatively smaller, but the area of non-mainstream, where flood is shallow and flow velocity is slow, is relatively big; and finally, the possible influenced area of the dike-break flood is 141,948 km(2).
Language英语
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/77386
Collection中国科学院地理科学与资源研究所
Affiliation1.中国科学院地理科学与资源研究所
2.Institute of Scientific and Technical Information of China
First Author Affilication中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
YANG Qinye,KANG Xiangwu,XIA Fuqiang,et al. thecharacteristicsofdikebreakfloodindifferentscenariosoftheloweryellowriverbasedonnumericalsimulations[J]. journalofgeographicalsciences,2007,17(1):85.
APA YANG Qinye,KANG Xiangwu,XIA Fuqiang,MA Xin,&YANG Peiguo.(2007).thecharacteristicsofdikebreakfloodindifferentscenariosoftheloweryellowriverbasedonnumericalsimulations.journalofgeographicalsciences,17(1),85.
MLA YANG Qinye,et al."thecharacteristicsofdikebreakfloodindifferentscenariosoftheloweryellowriverbasedonnumericalsimulations".journalofgeographicalsciences 17.1(2007):85.
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