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The critical role of the routing scheme in simulating peak river discharge in global hydrological models
Zhao, Fang1; Veldkamp, Ted I. E.2; Frieler, Katja1; Schewe, Jacob1; Ostberg, Sebastian1,3; Willner, Sven1; Schauberger, Bernhard1,4; Gosling, Simon N.5; Schmied, Hannes Mueller6,7; Portmann, Felix T.6; Leng, Guoyong8; Huang, Maoyi8; Liu, Xingcai; Tang, Qiuhong9; Hanasaki, Naota10; Biemans, Hester11,12; Gerten, Dieter1; Satoh, Yusuke13; Pokhrel, Yadu14; Stacke, Tobias15; Ciais, Philippe4; Chang, Jinfeng4; Ducharne, Agnes16; Guimberteau, Matthieu4; Wada, Yoshihide13,17,18,19; Kim, Hyungjun20; Yamazaki, Dai19,21
2017-07-01
Source PublicationENVIRONMENTAL RESEARCH LETTERS
ISSN1748-9326
Volume12Issue:7Pages:14
Corresponding AuthorZhao, Fang(fangzhao@pik-potsdam.de)
AbstractGlobal hydrological models (GHMs) have been applied to assess global flood hazards, but their capacity to capture the timing and amplitude of peak river discharge-which is crucial in flood simulations-has traditionally not been the focus of examination. Here we evaluate to what degree the choice of river routing scheme affects simulations of peak discharge and may help to provide better agreement with observations. To this end we use runoff and discharge simulations of nine GHMs forced by observational climate data (1971-2010) within the ISIMIP2a project. The runoff simulations were used as input for the global river routing model CaMa-Flood. The simulated daily discharge was compared to the discharge generated by each GHM using its native river routing scheme. For each GHM both versions of simulated discharge were compared to monthly and daily discharge observations from 1701 GRDC stations as a benchmark. CaMaFlood routing shows a general reduction of peak river discharge and a delay of about two to three weeks in its occurrence, likely induced by the buffering capacity of floodplain reservoirs. For a majority of river basins, discharge produced by CaMa-Flood resulted in a better agreement with observations. In particular, maximum daily discharge was adjusted, with a multi-model averaged reduction in bias over about 2/3 of the analysed basin area. The increase in agreement was obtained in both managed and near-natural basins. Overall, this study demonstrates the importance of routing scheme choice in peak discharge simulation, where CaMa-Flood routing accounts for floodplain storage and backwater effects that are not represented in most GHMs. Our study provides important hints that an explicit parameterisation of these processes may be essential in future impact studies.
KeywordISIMIP global hydrological models peak river discharge river routing flood daily runoff GRDC
DOI10.1088/1748-9326/aa7250
WOS KeywordCLIMATE-CHANGE ; FLOOD HAZARD ; CONTINENTAL-SCALE ; INTEGRATED MODEL ; DIRECTION MAP ; AMAZON BASIN ; RUNOFF ; PRECIPITATION ; WETLANDS ; SYSTEMS
Indexed BySCI
Language英语
Funding ProjectEU FP7 project HELIX[FP7-603864-2] ; German Federal Ministry of Education and Research (BMBF)[01LS1201A1] ; German Federal Ministry of Education and Research (BMBF)[01LS1201A2] ; Integrated Assessment Research program through the Integrated Multi-sector, Multiscale Modeling (IM3) Scientific Focus Area (SFA) - Biological and Environmental Research Division of Office of Science, US Department of Energy (DOE) ; US DOE[DE-AC05-76RL01830] ; European Research Council Synergy grant[ERC-2013-SyG610028-IMBALANCE-P] ; Open Access Fund of the Leibniz Association
Funding OrganizationEU FP7 project HELIX ; German Federal Ministry of Education and Research (BMBF) ; Integrated Assessment Research program through the Integrated Multi-sector, Multiscale Modeling (IM3) Scientific Focus Area (SFA) - Biological and Environmental Research Division of Office of Science, US Department of Energy (DOE) ; US DOE ; European Research Council Synergy grant ; Open Access Fund of the Leibniz Association
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS SubjectEnvironmental Sciences ; Meteorology & Atmospheric Sciences
WOS IDWOS:000404943800003
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:28[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/62921
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhao, Fang
Affiliation1.Potsdam Inst Climate Impact Res, Potsdam, Germany
2.Vrije Univ Amsterdam, Inst Environm Studies IVM, Amsterdam, Netherlands
3.Humboldt Univ, Geog Dept, Berlin, Germany
4.Lab Sci Climat & Environm, Gif Sur Yvette, France
5.Univ Nottingham, Sch Geog, Nottingham, England
6.Goethe Univ Frankfurt, Inst Phys Geog, Frankfurt, Germany
7.Senckenberg Biodivers & Climate Res Ctr BiK F, Frankfurt, Germany
8.Pacific Northwest Natl Lab, Atmospher Sci & Global Change Div, Richland, WA 99352 USA
9.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing, Peoples R China
10.Natl Inst Environm Studies, Tsukuba, Ibaraki, Japan
11.Wageningen Univ & Res Ctr, Earth Syst Sci & Climate Change, Wageningen, Netherlands
12.Environm Assessment Agcy, Bilthoven, Netherlands
13.Int Inst Appl Syst Anal, Laxenburg, Austria
14.Michigan State Univ, Dept Civil & Environm Engn, E Lansing, MI 48824 USA
15.Max Planck Inst Meteorol, Bundesstr 53, D-20146 Hamburg, Germany
16.Sorbonne Univ, UPMC, CNRS, UMR 71619,METIS,EPHE, Paris, France
17.Columbia Univ, Ctr Climate Syst Res, New York, NY USA
18.NASA, Goddard Inst Space Studies, New York, NY 10025 USA
19.Univ Utrecht, Dept Phys Geog, Utrecht, Netherlands
20.Univ Tokyo, Inst Ind Sci, Tokyo, Japan
21.Japan Agcy Marine Earth Sci & Technol, Yokosuka, Kanagawa, Japan
Recommended Citation
GB/T 7714
Zhao, Fang,Veldkamp, Ted I. E.,Frieler, Katja,et al. The critical role of the routing scheme in simulating peak river discharge in global hydrological models[J]. ENVIRONMENTAL RESEARCH LETTERS,2017,12(7):14.
APA Zhao, Fang.,Veldkamp, Ted I. E..,Frieler, Katja.,Schewe, Jacob.,Ostberg, Sebastian.,...&Yamazaki, Dai.(2017).The critical role of the routing scheme in simulating peak river discharge in global hydrological models.ENVIRONMENTAL RESEARCH LETTERS,12(7),14.
MLA Zhao, Fang,et al."The critical role of the routing scheme in simulating peak river discharge in global hydrological models".ENVIRONMENTAL RESEARCH LETTERS 12.7(2017):14.
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