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Open AccessArticle

Quantification and Regionalization of the Interaction between the Doumen Reservoir and Regional Groundwater in the Urban Plains of Northwest China

by 1,2, 1,2, 1,2,*, 1,2 and 1,2
1
School of Water and Environment, Chang’an University, 126 Yanta Road, Xi’an 710054, China
2
Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region of the Ministry of Education, Chang’an University, 126 Yanta Road, Xi’an 710054, China
*
Author to whom correspondence should be addressed.
Academic Editor: Phil Gerla
Water 2021, 13(4), 540; https://doi.org/10.3390/w13040540
Received: 28 December 2020 / Revised: 12 February 2021 / Accepted: 13 February 2021 / Published: 20 February 2021
(This article belongs to the Special Issue Characterizing Groundwater - Surface Water Interaction Using GIS)
Groundwater and artificial reservoirs are in a continuous dynamic interaction that can affect not only water quantity but the quality. In this paper, taking the DR (Doumen Reservoir) as an example, the level dynamic changes between the DRTS (Doumen Reservoir Test Section) and groundwater were discussed, and the water quality used by SFE (single-factor evaluation) and WQI (water quality index) method were analyzed. A coupling model is presented to quantify the leakage impact range and groundwater budget and regionalize the impact of surface water on regional groundwater quality. The results show that the level dynamics of the reservoir and groundwater are highly consistent, with a cross-correlation coefficient of 0.85 and a lag time of about 7 days. The reservoir recharges the groundwater with an increase-decrease-stationary wave dynamic potential. After 3 years of operation of the DR, the groundwater still is recharged, the groundwater level will rise obviously, with a maximum of 8.5 m. The amount of surface water recharged is always 0. NH3-N, and COD will have varying degrees of impact, both of which are mainly the pollution halo around North Lake. The results can provide support for water resources management and environmental protection of urban plain reservoirs. View Full-Text
Keywords: groundwater and surface-water interaction; WQI; numerical modeling; solute transport; urban plain reservoirs; China groundwater and surface-water interaction; WQI; numerical modeling; solute transport; urban plain reservoirs; China
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MDPI and ACS Style

Wang, X.; Geng, Y.; Zhou, W.; Li, Y.; Luo, H. Quantification and Regionalization of the Interaction between the Doumen Reservoir and Regional Groundwater in the Urban Plains of Northwest China. Water 2021, 13, 540. https://doi.org/10.3390/w13040540

AMA Style

Wang X, Geng Y, Zhou W, Li Y, Luo H. Quantification and Regionalization of the Interaction between the Doumen Reservoir and Regional Groundwater in the Urban Plains of Northwest China. Water. 2021; 13(4):540. https://doi.org/10.3390/w13040540

Chicago/Turabian Style

Wang, Xiao; Geng, Yicheng; Zhou, Weibo; Li, Yun; Luo, Hao. 2021. "Quantification and Regionalization of the Interaction between the Doumen Reservoir and Regional Groundwater in the Urban Plains of Northwest China" Water 13, no. 4: 540. https://doi.org/10.3390/w13040540

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