中文版 | English
Title

A distributed domain model coupling open channel flow and groundwater flow to quantify the impact of lateral hydrologic exchange on hydrograph

Author
Corresponding AuthorZheng, Yi; Zhang, Yong
Publication Years
2022-08-01
DOI
Source Title
ISSN
0022-1694
EISSN
1879-2707
Volume611
Abstract
Hydrologic exchange flows (HEFs) of river-aquifer systems are known to affect water flow, but the quantitative influences of lateral HEFs and the riparian zone's hydraulic conductivity (K) distribution on stream fluxes remain obscure under varying hydrologic conditions. To fill this knowledge gap, this study proposed a physical based, distributed domain, coupled (open channel and groundwater) flow model (DDCM) to quantify the effect of lateral HEFs on hydrograph characteristics, including especially the peak discharge and tailing decay which are practically important. Numerical experiments showed that (1) the interaction between the lateral HEFs and river hydrodynamics reduced the peak discharge and flood flow rates, (2) a heterogeneous K field of the riparian zone generated multi-rate HEFs (which then changed flow response) represented by the hydrographs with various declining rates (varying from exponential to power-law), significantly expanding the flow process, and (3) the probability density function of K also affected the tailing and peak of the hydrograph. A preliminary test showed that the DDCM captured the overall pattern of hydrographs observed from a catchment in the Wadi Ahin West, Oman. This study, therefore, provided a model-based quantification of the mechanisms and factors of the lateral HEFs affecting the hydrograph pattern in flood events, and further applications are needed to test the applicability of the DDCM in capturing real-world hydrographs affected by the lateral HEFs.
Keywords
URL[Source Record]
Indexed By
SCI ; EI
Language
English
SUSTech Authorship
Corresponding
Funding Project
Shenzhen Science and Technology Innovation Commission[KCXFZ202002011006491] ; National Natural Science Foundation of Guangxi Province, China[2020GXNSFBA297038] ; National Natural Science Foundation of China[51961125203,41931292] ; Alabama Center of Excellence[GR28628]
WOS Research Area
Engineering ; Geology ; Water Resources
WOS Subject
Engineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS Accession No
WOS:000811872900001
Publisher
EI Accession Number
20222612266695
EI Keywords
Aquifers ; Catchments ; Flood control ; Floods ; Groundwater flow ; Groundwater resources ; Probability density function ; Rivers
ESI Classification Code
Flood Control:442.1 ; Groundwater:444.2 ; Fluid Flow, General:631.1 ; Accidents and Accident Prevention:914.1 ; Probability Theory:922.1
ESI Research Field
ENGINEERING
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:1
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/343047
DepartmentSchool of Environmental Science and Engineering
Affiliation
1.Guilin Univ Technol, Guangxi Key Lab Environm Pollut Control Theory & T, Guilin 541004, Peoples R China
2.Southern Univ Sci & Technol, Sch Environm Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China
3.Southern Univ Sci & Technol, Shenzhen Municipal Engn Lab Environm IoT Technol, Shenzhen 518055, Guangdong, Peoples R China
4.Univ Alabama, Dept Geol Sci, Tuscaloosa, AL 35487 USA
First Author AffilicationSchool of Environmental Science and Engineering
Corresponding Author AffilicationSchool of Environmental Science and Engineering;  Southern University of Science and Technology
Recommended Citation
GB/T 7714
Wei, Song,Zheng, Yi,Liang, Xiuyu,et al. A distributed domain model coupling open channel flow and groundwater flow to quantify the impact of lateral hydrologic exchange on hydrograph[J]. JOURNAL OF HYDROLOGY,2022,611.
APA
Wei, Song,Zheng, Yi,Liang, Xiuyu,Tian, Yong,Frame, Jonathan M.,&Zhang, Yong.(2022).A distributed domain model coupling open channel flow and groundwater flow to quantify the impact of lateral hydrologic exchange on hydrograph.JOURNAL OF HYDROLOGY,611.
MLA
Wei, Song,et al."A distributed domain model coupling open channel flow and groundwater flow to quantify the impact of lateral hydrologic exchange on hydrograph".JOURNAL OF HYDROLOGY 611(2022).
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