Effect of Surface Water Level Fluctuations on the Performance of Near-Bank Managed Aquifer Recharge from Injection Wells

Managed aquifer recharge operations are often conducted in near-bank areas to regulate water resources or reduce seawater intrusion. Yet little is known about the influence of surface water level fluctuations at different temporal scales on MAR performance. A generalized conceptual model was develop...

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Autores principales:	Peipeng Wu, Jean-Christophe Comte, Lijuan Zhang, Shuhong Wang, Bin Chang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	managed aquifer recharge near-bank: surface water level fluctuations groundwater flow Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
Acceso en línea:	https://doaj.org/article/78465ef174214b40b382d976df07a1c3
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spelling	oai:doaj.org-article:78465ef174214b40b382d976df07a1c32021-11-11T19:54:30ZEffect of Surface Water Level Fluctuations on the Performance of Near-Bank Managed Aquifer Recharge from Injection Wells10.3390/w132130132073-4441https://doaj.org/article/78465ef174214b40b382d976df07a1c32021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/21/3013https://doaj.org/toc/2073-4441Managed aquifer recharge operations are often conducted in near-bank areas to regulate water resources or reduce seawater intrusion. Yet little is known about the influence of surface water level fluctuations at different temporal scales on MAR performance. A generalized conceptual model was developed based on an investigation site in Western China as a basis to simulate the response surface water level fluctuations on the water table, artificially recharged water lens (formed by the artificially recharged water), groundwater flow paths and average travel times (which is an important control on how quickly contaminants are flushed out of aquifers), and the discharge of the artificially recharged aquifer during the surface water level fluctuation. The results showed a fluctuating groundwater table in the artificially recharged near-bank aquifer under the influence of surface water level fluctuations. The peak values of the increment of the groundwater table induced by artificial recharge decreased with the increase of the period and amplitude of surface water level fluctuation, but the trough values of the increment of water table increases with that. The penetration depth of surface water into the aquifer with a fluctuating surface water level leads to a decreasing increment of the groundwater table which follows a power law. The fluctuating surface water level leads to dynamic changes of artificially recharged water lens morphology and a thinner artificially recharged water lens. A mixing zone of recharged water and ambient water could be found in the artificially recharged near-bank area, which is expected to lead to modifications in the geochemical conditions in the artificially recharged near-bank aquifer. A longer period of surface water level fluctuation leads to a longer average travel time, but the larger penetration depth of surface water and amplitude lead to a shorter average travel time. The peak discharge of the near-bank aquifer was found to decrease with the period of surface water level fluctuation, but it increases with penetration depth and amplitude. This study is important in providing insights into the performance of near-bank managed aquifer recharge with respect to surface water level fluctuation.Peipeng WuJean-Christophe ComteLijuan ZhangShuhong WangBin ChangMDPI AGarticlemanaged aquifer rechargenear-bank: surface water level fluctuationsgroundwater flowHydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 3013, p 3013 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	managed aquifer recharge near-bank: surface water level fluctuations groundwater flow Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
spellingShingle	managed aquifer recharge near-bank: surface water level fluctuations groundwater flow Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Peipeng Wu Jean-Christophe Comte Lijuan Zhang Shuhong Wang Bin Chang Effect of Surface Water Level Fluctuations on the Performance of Near-Bank Managed Aquifer Recharge from Injection Wells
description	Managed aquifer recharge operations are often conducted in near-bank areas to regulate water resources or reduce seawater intrusion. Yet little is known about the influence of surface water level fluctuations at different temporal scales on MAR performance. A generalized conceptual model was developed based on an investigation site in Western China as a basis to simulate the response surface water level fluctuations on the water table, artificially recharged water lens (formed by the artificially recharged water), groundwater flow paths and average travel times (which is an important control on how quickly contaminants are flushed out of aquifers), and the discharge of the artificially recharged aquifer during the surface water level fluctuation. The results showed a fluctuating groundwater table in the artificially recharged near-bank aquifer under the influence of surface water level fluctuations. The peak values of the increment of the groundwater table induced by artificial recharge decreased with the increase of the period and amplitude of surface water level fluctuation, but the trough values of the increment of water table increases with that. The penetration depth of surface water into the aquifer with a fluctuating surface water level leads to a decreasing increment of the groundwater table which follows a power law. The fluctuating surface water level leads to dynamic changes of artificially recharged water lens morphology and a thinner artificially recharged water lens. A mixing zone of recharged water and ambient water could be found in the artificially recharged near-bank area, which is expected to lead to modifications in the geochemical conditions in the artificially recharged near-bank aquifer. A longer period of surface water level fluctuation leads to a longer average travel time, but the larger penetration depth of surface water and amplitude lead to a shorter average travel time. The peak discharge of the near-bank aquifer was found to decrease with the period of surface water level fluctuation, but it increases with penetration depth and amplitude. This study is important in providing insights into the performance of near-bank managed aquifer recharge with respect to surface water level fluctuation.
format	article
author	Peipeng Wu Jean-Christophe Comte Lijuan Zhang Shuhong Wang Bin Chang
author_facet	Peipeng Wu Jean-Christophe Comte Lijuan Zhang Shuhong Wang Bin Chang
author_sort	Peipeng Wu
title	Effect of Surface Water Level Fluctuations on the Performance of Near-Bank Managed Aquifer Recharge from Injection Wells
title_short	Effect of Surface Water Level Fluctuations on the Performance of Near-Bank Managed Aquifer Recharge from Injection Wells
title_full	Effect of Surface Water Level Fluctuations on the Performance of Near-Bank Managed Aquifer Recharge from Injection Wells
title_fullStr	Effect of Surface Water Level Fluctuations on the Performance of Near-Bank Managed Aquifer Recharge from Injection Wells
title_full_unstemmed	Effect of Surface Water Level Fluctuations on the Performance of Near-Bank Managed Aquifer Recharge from Injection Wells
title_sort	effect of surface water level fluctuations on the performance of near-bank managed aquifer recharge from injection wells
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/78465ef174214b40b382d976df07a1c3
work_keys_str_mv	AT peipengwu effectofsurfacewaterlevelfluctuationsontheperformanceofnearbankmanagedaquiferrechargefrominjectionwells AT jeanchristophecomte effectofsurfacewaterlevelfluctuationsontheperformanceofnearbankmanagedaquiferrechargefrominjectionwells AT lijuanzhang effectofsurfacewaterlevelfluctuationsontheperformanceofnearbankmanagedaquiferrechargefrominjectionwells AT shuhongwang effectofsurfacewaterlevelfluctuationsontheperformanceofnearbankmanagedaquiferrechargefrominjectionwells AT binchang effectofsurfacewaterlevelfluctuationsontheperformanceofnearbankmanagedaquiferrechargefrominjectionwells
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Effect of Surface Water Level Fluctuations on the Performance of Near-Bank Managed Aquifer Recharge from Injection Wells

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