GSTDTAP  > 资源环境科学
DOI10.1029/2018WR024510
On the Influence of Upstream Flow Contributions on the Basin Response Function for Hydrograph Prediction
Bunster, Tomas1; Gironas, Jorge1,2; Niemann, Jeffrey D.3
2019-06-01
发表期刊WATER RESOURCES RESEARCH
ISSN0043-1397
EISSN1944-7973
出版年2019
卷号55期号:6页码:4915-4935
文章类型Article
语种英语
国家Chile; USA
英文摘要

Spatially distributed travel time (SDTT) methods have been developed as an alternative to semidistributed and fully distributed methods for rainfall-runoff modeling. In these methods, the travel times of grid cells are summed along flow paths and then convoluted to generate the hydrograph at the outlet. One central aspect of SDTT models that remains partially addressed is the effect of upstream flow contributions and their dynamics on the calculated flood wave travel times. Some methods neglect upstream contributions, but these are known to produce incorrect representations of the hydrological response. Other methods assume static upstream contributions, but the reliability of this approximation is poorly understood. In this study, we develop a new travel time method that accounts for dynamic upstream contributions. We test our method in three synthetic basins generated with a landscape evolution model that allows explicit control of primary watershed characteristics. We evaluate the method's performance for different storms by comparing its response to that produced by a fully distributed kinematic wave model. Furthermore, the method is tested in a real basin. We also analyze the dynamic behavior of the upstream contribution and travel times within the synthetic basins. Results show that existing static upstream contribution approaches in SDTT models do not adequately reproduce the hydrographs from the fully distributed kinematic wave model nor the observed hydrograph of the real basin. The proposed method improves the reproduction of hydrograph peak flows and temporal variability. Furthermore, the instantaneous unit hydrographs produced by the new method exhibit more positive skewness than the static approximations.


英文关键词hydrologic modeling spatially distributed upstream contribution kinematic wave
领域资源环境
收录类别SCI-E
WOS记录号WOS:000477616900024
WOS关键词RAINFALL-RUNOFF MODEL ; UNIT-HYDROGRAPH ; HILLSLOPE PROCESSES ; TIME ; ELEVATION ; AREA ; GEOMORPHOLOGY ; EXTRACTION ; DERIVATION ; NETWORKS
WOS类目Environmental Sciences ; Limnology ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
引用统计
被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/183978
专题资源环境科学
作者单位1.Pontificia Univ Catolica Chile, Dept Ingn Hidraul & Ambiental, Santiago, Chile;
2.Ctr Interdisciplinario Cambio Global UC, Ctr Invest Gest Integrada Desastres Nat, Ctr Desarrollo Urbano Sustentable, Santiago, Chile;
3.Colorado State Univ, Dept Civil & Environm Engn, Ft Collins, CO 80523 USA
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Bunster, Tomas,Gironas, Jorge,Niemann, Jeffrey D.. On the Influence of Upstream Flow Contributions on the Basin Response Function for Hydrograph Prediction[J]. WATER RESOURCES RESEARCH,2019,55(6):4915-4935.
APA Bunster, Tomas,Gironas, Jorge,&Niemann, Jeffrey D..(2019).On the Influence of Upstream Flow Contributions on the Basin Response Function for Hydrograph Prediction.WATER RESOURCES RESEARCH,55(6),4915-4935.
MLA Bunster, Tomas,et al."On the Influence of Upstream Flow Contributions on the Basin Response Function for Hydrograph Prediction".WATER RESOURCES RESEARCH 55.6(2019):4915-4935.
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