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Urban hydrologic trend analysis based on rainfall and runoff data analysis and conceptual model calibration
Sun, Siao1; Barraud, Sylvie2; Branger, Flora3; Braud, Isabelle3; Castebrunet, Helene2
2017-03-15
Source PublicationHYDROLOGICAL PROCESSES
ISSN0885-6087
Volume31Issue:6Pages:1349-1359
Corresponding AuthorSun, Siao(suns@igsnrr.ac.cn)
AbstractUrban stormwater is a major cause of urban flooding and natural water pollution. It is therefore important to assess any hydrologic trends in urban catchments for stormwater management and planning. This study addresses urban hydrological trend analysis by examining trends in variables that characterize hydrological processes. The original and modified Mann-Kendall methods are applied to trend detection in two French catchments, that is, Chassieu and La Lechere, based on approximately 1decade of data from local monitoring programs. In both catchments, no trend is found in the major hydrological process driver (i.e., rainfall variables), whereas increasing trends are detected in runoff flow rates. As a consequence, the runoff coefficients tend to increase during the study period, probably due to growing imperviousness with the local urbanization process. In addition, conceptual urban rainfall-runoff model parameters, which are identified via model calibration with an event based approach, are examined. Trend detection results indicate that there is no trend in the time of concentration in Chassieu, whereas a decreasing trend is present in La Lechere, which, however, needs to be validated with additional data. Sensitivity analysis indicates that the original Mann-Kendall method is not sensitive to a few noisy values in the data series.
Keywordconceptual rainfall-runoff model Mann-Kendall test trend analysis urban hydrology urbanization
DOI10.1002/hyp.11109
WOS KeywordWATER-QUALITY DATA ; POLLUTANT CONCENTRATIONS ; STATISTICAL TESTS ; MANN-KENDALL ; CATCHMENT ; PRECIPITATION ; URBANIZATION ; VARIABILITY ; IMPACT ; REGIME
Indexed BySCI
Language英语
Funding ProjectRhone-Mediterranean and Corsica Water Agency ; Greater Lyon
Funding OrganizationRhone-Mediterranean and Corsica Water Agency ; Greater Lyon
WOS Research AreaWater Resources
WOS SubjectWater Resources
WOS IDWOS:000395628600011
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/64778
Collection中国科学院地理科学与资源研究所
Corresponding AuthorSun, Siao
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resource Res, Key Lab Reg Sustainable Dev Modeling, Beijing 100101, Peoples R China
2.Univ Lyon, DEEP, INSA Lyon, F-69621 Villeurbanne, France
3.Irstea, UR HHLY, Hydrol Hydraul, 5 Rue La Doua,BP 32108, F-69621 Villeurbanne, France
Recommended Citation
GB/T 7714
Sun, Siao,Barraud, Sylvie,Branger, Flora,et al. Urban hydrologic trend analysis based on rainfall and runoff data analysis and conceptual model calibration[J]. HYDROLOGICAL PROCESSES,2017,31(6):1349-1359.
APA Sun, Siao,Barraud, Sylvie,Branger, Flora,Braud, Isabelle,&Castebrunet, Helene.(2017).Urban hydrologic trend analysis based on rainfall and runoff data analysis and conceptual model calibration.HYDROLOGICAL PROCESSES,31(6),1349-1359.
MLA Sun, Siao,et al."Urban hydrologic trend analysis based on rainfall and runoff data analysis and conceptual model calibration".HYDROLOGICAL PROCESSES 31.6(2017):1349-1359.
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