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Runoff-sediment dynamics under different flood patterns in a Loess Plateau catchment, China
Hu, Jinfei2,3; Gao, Peng1,2; Mu, Xingmin1,2; Zhao, Guangju1,2; Sun, Wenyi1,2; Li, Pengfei2; Zhang, Limei1
2019-02-01
Source PublicationCATENA
ISSN0341-8162
Volume173Pages:234-245
Corresponding AuthorGao, Peng(gaopeng@ms.iswc.ac.cn)
AbstractInvestigating the suspended sediment dynamic is useful for gaining a more comprehensive understanding of runoff and sediment yield process. The study analyzes the sediment flow behavior in relation to the flood patterns in the Xichuan River catchment on the Loess Plateau. Based on 23-year hydrological data collected from Zaoyuan hydrological station and K-medoids clustering method, one hundred and twelve flood events data were classified into four flood patterns. The hydrologic features of different flood patterns exhibit significant differences. The values of the mean runoff depth, the mean flood duration, and the mean flood peak discharge decreased as the following order: Pattern A > Pattern C > Pattern D > Pattern B. Each flood pattern results in differing levels of the event sediment yield (SY), the SY of Pattern A (10,275.33 t.km(-2)) and Pattern C (1196.39 t.km(-2)) were larger than those from Pattern B (218.84 t.km(-2)) and Pattern D (693.84 t.km(-2)). These results indicated that greater attention should be paid to Pattern A and Pattern C because of the largest sediment delivery effect. Multiple stepwise regressions analysis suggested that the contribution of main runoff-related factors to event sediment yield varied with different flood patterns. In addition, hysteretic analysis between suspended sediment concentration and runoff suggested that counter-clockwise and figure-eight loops were the dominant loops. The results provided a useful information to flood pattern classifications and suspended sediment dynamics research, and enriched the sediment control theory at the watershed scale.
KeywordEvent scale Runoff-sediment relationship Flood patterns Hysteresis loop Sediment dynamics
DOI10.1016/j.catena.2018.10.023
WOS KeywordSUSPENDED SEDIMENT ; HILLY AREAS ; CLIMATE VARIABILITY ; SPATIAL SCALE ; TRANSPORT ; BASIN ; RIVER ; DISCHARGE ; YIELD ; HYSTERESIS
Indexed BySCI
Language英语
Funding ProjectNational Key Scientific Research Project[2016YFC0402401] ; National Natural Science Foundation of China[41671285] ; National Natural Science Foundation of China[41671279] ; Special Funds for Scientific Research Programs of the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau[A314021403-Q2]
Funding OrganizationNational Key Scientific Research Project ; National Natural Science Foundation of China ; Special Funds for Scientific Research Programs of the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau
WOS Research AreaGeology ; Agriculture ; Water Resources
WOS SubjectGeosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS IDWOS:000452814300023
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/51368
Collection中国科学院地理科学与资源研究所
Corresponding AuthorGao, Peng
Affiliation1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Xinong Rd 26, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Xinong Rd 26, Yangling 712100, Shaanxi, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Hu, Jinfei,Gao, Peng,Mu, Xingmin,et al. Runoff-sediment dynamics under different flood patterns in a Loess Plateau catchment, China[J]. CATENA,2019,173:234-245.
APA Hu, Jinfei.,Gao, Peng.,Mu, Xingmin.,Zhao, Guangju.,Sun, Wenyi.,...&Zhang, Limei.(2019).Runoff-sediment dynamics under different flood patterns in a Loess Plateau catchment, China.CATENA,173,234-245.
MLA Hu, Jinfei,et al."Runoff-sediment dynamics under different flood patterns in a Loess Plateau catchment, China".CATENA 173(2019):234-245.
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