Analyzing the correlation between groundwater tables and the area of Groundwater-Dependent lakes in arid region

The groundwater table constitutes a significant factor in sustaining the ecosystems of lakes in arid regions. To elucidate the mechanism by which variations in groundwater tables affect lake areas, this paper presents a case study of a typical groundwater-fed lake in China's Hetao Irrigation Di...

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Main Authors: Rui Zhang, Chenyao Guo, Jingwei Wu, Siyu Wang
Format: Article
Language:English
Published: Elsevier 2024-03-01
Series:Ecological Indicators
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1470160X24002656
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author Rui Zhang
Chenyao Guo
Jingwei Wu
Siyu Wang
author_facet Rui Zhang
Chenyao Guo
Jingwei Wu
Siyu Wang
author_sort Rui Zhang
collection DOAJ
description The groundwater table constitutes a significant factor in sustaining the ecosystems of lakes in arid regions. To elucidate the mechanism by which variations in groundwater tables affect lake areas, this paper presents a case study of a typical groundwater-fed lake in China's Hetao Irrigation District. An analytical model correlating groundwater tables with lake areas was developed to simulate and predict the impact of changes in groundwater tables on lake areas. The findings indicate that the analytical model adeptly simulates the lake area dynamics of the groundwater-fed lake cluster (Taerhu lake cluster) from 1998 to 2018, achieving a Nash-Sutcliffe efficiency (NSE) value exceeding 0.6 and a root mean square error (RMSE) value below 0.1 square kilometers. Maintaining a groundwater depth at 1.73 m ensures the stability of the lake area; a decrease in groundwater depth to 1.93 m would result in a 79.5 % reduction in lake area. The model constructed in this study offers a crucial tool for the ecological protection of lakes and groundwater management in arid regions.
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spelling doaj.art-ce02ab9ba3dd4fe59493e0ff4aa2049a2024-04-12T04:44:38ZengElsevierEcological Indicators1470-160X2024-03-01160111808Analyzing the correlation between groundwater tables and the area of Groundwater-Dependent lakes in arid regionRui Zhang0Chenyao Guo1Jingwei Wu2Siyu Wang3State Key Laboratory of Water Resources Engineering and Management, Wuhan University, Wuhan 430072, ChinaState Key Laboratory of Water Resources Engineering and Management, Wuhan University, Wuhan 430072, China; Corresponding authors.State Key Laboratory of Water Resources Engineering and Management, Wuhan University, Wuhan 430072, China; Corresponding authors.Wuchang Institute of Technology, Wuhan 430072, ChinaThe groundwater table constitutes a significant factor in sustaining the ecosystems of lakes in arid regions. To elucidate the mechanism by which variations in groundwater tables affect lake areas, this paper presents a case study of a typical groundwater-fed lake in China's Hetao Irrigation District. An analytical model correlating groundwater tables with lake areas was developed to simulate and predict the impact of changes in groundwater tables on lake areas. The findings indicate that the analytical model adeptly simulates the lake area dynamics of the groundwater-fed lake cluster (Taerhu lake cluster) from 1998 to 2018, achieving a Nash-Sutcliffe efficiency (NSE) value exceeding 0.6 and a root mean square error (RMSE) value below 0.1 square kilometers. Maintaining a groundwater depth at 1.73 m ensures the stability of the lake area; a decrease in groundwater depth to 1.93 m would result in a 79.5 % reduction in lake area. The model constructed in this study offers a crucial tool for the ecological protection of lakes and groundwater management in arid regions.http://www.sciencedirect.com/science/article/pii/S1470160X24002656Lake areaGroundwater tableAnalytical modelArid regionHetao irrigation district
spellingShingle Rui Zhang
Chenyao Guo
Jingwei Wu
Siyu Wang
Analyzing the correlation between groundwater tables and the area of Groundwater-Dependent lakes in arid region
Ecological Indicators
Lake area
Groundwater table
Analytical model
Arid region
Hetao irrigation district
title Analyzing the correlation between groundwater tables and the area of Groundwater-Dependent lakes in arid region
title_full Analyzing the correlation between groundwater tables and the area of Groundwater-Dependent lakes in arid region
title_fullStr Analyzing the correlation between groundwater tables and the area of Groundwater-Dependent lakes in arid region
title_full_unstemmed Analyzing the correlation between groundwater tables and the area of Groundwater-Dependent lakes in arid region
title_short Analyzing the correlation between groundwater tables and the area of Groundwater-Dependent lakes in arid region
title_sort analyzing the correlation between groundwater tables and the area of groundwater dependent lakes in arid region
topic Lake area
Groundwater table
Analytical model
Arid region
Hetao irrigation district
url http://www.sciencedirect.com/science/article/pii/S1470160X24002656
work_keys_str_mv AT ruizhang analyzingthecorrelationbetweengroundwatertablesandtheareaofgroundwaterdependentlakesinaridregion
AT chenyaoguo analyzingthecorrelationbetweengroundwatertablesandtheareaofgroundwaterdependentlakesinaridregion
AT jingweiwu analyzingthecorrelationbetweengroundwatertablesandtheareaofgroundwaterdependentlakesinaridregion
AT siyuwang analyzingthecorrelationbetweengroundwatertablesandtheareaofgroundwaterdependentlakesinaridregion