中文版 | English
Title

Estimating lateral groundwater inflow to rivers using heat as a tracer

Author
Corresponding AuthorZheng, Chunmiao
Publication Years
2023-02
DOI
Source Title
ISSN
0022-1694
EISSN
1879-2707
Volume617
Abstract
Heat is a natural tracer that can be used to estimate groundwater velocity and fluxes. However, most studies, if not all, are focused on vertical flow due to the existence of a simple closed-form analytical solution that well captures the characteristics of vertical heat transport. In this study, we show that lateral groundwater inflow to rivers can also be inferred from natural heat signals by integrating theoretical development and field observation. A closed-form analytical solution for lateral heat transport in unconfined aquifers is developed and serves as the basis for the inversion of groundwater velocity. Two parameter estimation techniques, Markov Chain Monte Carlo (MCMC) and a trial-and-error method, are applied to estimate groundwater velocity using groundwater temperature observed at wells. The MCMC method requires at least one observation well and its performance increases with the number of wells. The trial-and-error method requires three observation wells and can appropriately represent the groundwater velocity. The performance of both methods is affected by the uncertainty of hydrogeological and thermal parameters, such as porosity, thermal conductivity of the overlying and underlying layers, and aquifer thickness. Porosity is the most sensitive and thermal conductivity is the least sensitive parameter to the accuracy of estimated groundwater velocity. The developed heat tracer method for estimating lateral groundwater inflow to rivers is novel (script provided) and could be a valuable alternative to the widely used environmental tracers.
© 2022
Keywords
URL[Source Record]
Indexed By
EI ; SCI
Language
English
SUSTech Authorship
First ; Corresponding
Funding Project
This study was supported by National Natural Science Foundation of China (No. 41931292, No. 42207062), Guangdong Foundation for Basic and Applied Basic Research (2021A1515110781) and Shenzhen Science and Technology Program (JCYJ20210324105009024). The computational resources for model calculations were supported by the Center for Computational Science and Engineering at the Southern University of Science and Technology. The sample code for conducting the developed heat tracer method using MCMC was deposited at https://zenodo.org/record/7306412#.Y2suUnZBybg .
WOS Research Area
Engineering ; Geology ; Water Resources
WOS Subject
Engineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS Accession No
WOS:000911134800001
Publisher
EI Accession Number
20225213290340
EI Keywords
Aquifers ; Erosion ; Groundwater resources ; Heat transfer ; Hydrogeology ; Monte Carlo methods ; Parameter estimation ; Porosity ; Thermal conductivity
ESI Classification Code
Groundwater:444.2 ; Geology:481.1 ; Thermodynamics:641.1 ; Heat Transfer:641.2 ; Mathematical Statistics:922.2 ; Physical Properties of Gases, Liquids and Solids:931.2
ESI Research Field
ENGINEERING
Data Source
EV Compendex
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/519806
DepartmentSchool of Environmental Science and Engineering
Affiliation
1.State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, China
2.Institute of Water Sciences, College of Engineering, Peking University, Beijing, China
3.EIT Institute for Advanced Study, Ningbo, China
First Author AffilicationSchool of Environmental Science and Engineering
Corresponding Author AffilicationSchool of Environmental Science and Engineering
First Author's First AffilicationSchool of Environmental Science and Engineering
Recommended Citation
GB/T 7714
Chen, Kewei,Yin, Maosheng,Guo, Zhilin,et al. Estimating lateral groundwater inflow to rivers using heat as a tracer[J]. JOURNAL OF HYDROLOGY,2023,617.
APA
Chen, Kewei.,Yin, Maosheng.,Guo, Zhilin.,Liang, Xiuyu.,Wei, Xiaoou.,...&Zheng, Chunmiao.(2023).Estimating lateral groundwater inflow to rivers using heat as a tracer.JOURNAL OF HYDROLOGY,617.
MLA
Chen, Kewei,et al."Estimating lateral groundwater inflow to rivers using heat as a tracer".JOURNAL OF HYDROLOGY 617(2023).
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