A nature-based solution to a landfill-leachate contamination of a confined aquifer

Abstract Remediation of groundwater from landfill contamination presents a serious challenge due to the complex mixture of contaminants discharged from landfills. Here, we show the significance of a nature-based solution to a landfill-contaminated aquifer in southeast Norway. Groundwater physicochem...

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Autores principales:	Daniel Abiriga, Andrew Jenkins, Live S. Vestgarden, Harald Klempe
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d86d73d1658d4efe84613b7e9ceabb63
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spelling	oai:doaj.org-article:d86d73d1658d4efe84613b7e9ceabb632021-12-02T16:26:37ZA nature-based solution to a landfill-leachate contamination of a confined aquifer10.1038/s41598-021-94041-72045-2322https://doaj.org/article/d86d73d1658d4efe84613b7e9ceabb632021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-94041-7https://doaj.org/toc/2045-2322Abstract Remediation of groundwater from landfill contamination presents a serious challenge due to the complex mixture of contaminants discharged from landfills. Here, we show the significance of a nature-based solution to a landfill-contaminated aquifer in southeast Norway. Groundwater physicochemical parameters monitored for twenty-eight years were used as a proxy to infer natural remediation. Results show that concentrations of the major chemical variables decreased with time and distance until they tailed off. An exception to this was sulphate, which showed an increase, but apparently, exhibits a stationary phase. The water types were found to be most similar between samples from active landfill and post-closure stages, while samples from the stabilised stage showed a different water type. All the chemical parameters of samples from the stabilised stage were found to be within the Norwegian drinking water standards, except iron and manganese, which were only marginally above the limits, an indication of a possible recovery of this aquifer. The findings highlight the significance of natural attenuation processes in remediating contaminated aquifers and have significant consequences for future contamination management, where natural remediation can be viewed as an alternative worth exploring. This is promising in the wake of calls for sustainable remediation management strategies.Daniel AbirigaAndrew JenkinsLive S. VestgardenHarald KlempeNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Daniel Abiriga Andrew Jenkins Live S. Vestgarden Harald Klempe A nature-based solution to a landfill-leachate contamination of a confined aquifer
description	Abstract Remediation of groundwater from landfill contamination presents a serious challenge due to the complex mixture of contaminants discharged from landfills. Here, we show the significance of a nature-based solution to a landfill-contaminated aquifer in southeast Norway. Groundwater physicochemical parameters monitored for twenty-eight years were used as a proxy to infer natural remediation. Results show that concentrations of the major chemical variables decreased with time and distance until they tailed off. An exception to this was sulphate, which showed an increase, but apparently, exhibits a stationary phase. The water types were found to be most similar between samples from active landfill and post-closure stages, while samples from the stabilised stage showed a different water type. All the chemical parameters of samples from the stabilised stage were found to be within the Norwegian drinking water standards, except iron and manganese, which were only marginally above the limits, an indication of a possible recovery of this aquifer. The findings highlight the significance of natural attenuation processes in remediating contaminated aquifers and have significant consequences for future contamination management, where natural remediation can be viewed as an alternative worth exploring. This is promising in the wake of calls for sustainable remediation management strategies.
format	article
author	Daniel Abiriga Andrew Jenkins Live S. Vestgarden Harald Klempe
author_facet	Daniel Abiriga Andrew Jenkins Live S. Vestgarden Harald Klempe
author_sort	Daniel Abiriga
title	A nature-based solution to a landfill-leachate contamination of a confined aquifer
title_short	A nature-based solution to a landfill-leachate contamination of a confined aquifer
title_full	A nature-based solution to a landfill-leachate contamination of a confined aquifer
title_fullStr	A nature-based solution to a landfill-leachate contamination of a confined aquifer
title_full_unstemmed	A nature-based solution to a landfill-leachate contamination of a confined aquifer
title_sort	nature-based solution to a landfill-leachate contamination of a confined aquifer
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/d86d73d1658d4efe84613b7e9ceabb63
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A nature-based solution to a landfill-leachate contamination of a confined aquifer

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