The Impact of Predicted Climate Change on Groundwater Resources in a Mediterranean Archipelago: A Modelling Study of the Maltese Islands

The effects of changes in climate predicted for 2100—reduction in recharge, increase in water demand and sea-level rise—on groundwater volume and saltwater intrusion have been quantified in the Maltese Islands, an archipelago located at the center of the Mediterranean Sea. A three-dimensional densit...

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Autores principales:	Michele De Biase, Francesco Chidichimo, Mario Maiolo, Aaron Micallef
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	climate change salinization salt-water/fresh-water relations inverse modeling island hydrology Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
Acceso en línea:	https://doaj.org/article/e4b90380b9d74c31a45fc8eb20f195d0
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spelling	oai:doaj.org-article:e4b90380b9d74c31a45fc8eb20f195d02021-11-11T19:55:54ZThe Impact of Predicted Climate Change on Groundwater Resources in a Mediterranean Archipelago: A Modelling Study of the Maltese Islands10.3390/w132130462073-4441https://doaj.org/article/e4b90380b9d74c31a45fc8eb20f195d02021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/21/3046https://doaj.org/toc/2073-4441The effects of changes in climate predicted for 2100—reduction in recharge, increase in water demand and sea-level rise—on groundwater volume and saltwater intrusion have been quantified in the Maltese Islands, an archipelago located at the center of the Mediterranean Sea. A three-dimensional density dependent and heterogeneous model, working in transient conditions, was developed based on morphological and geological information. The hydraulic conductivity and porosity of the lithological formations were derived from previous tests and studies conducted on the islands. The complex fault system intersecting the area has also been included in the model. The results show that among the three considered factors affecting groundwater resources, the most significant is the increase in water demand, which is closely followed by the decrease in groundwater recharge. Sea-level rise plays a marginal role. The 80-year simulation period showed that these combined impacts would cause a loss of more than 16% of groundwater volume.Michele De BiaseFrancesco ChidichimoMario MaioloAaron MicallefMDPI AGarticleclimate changesalinizationsalt-water/fresh-water relationsinverse modelingisland hydrologyHydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 3046, p 3046 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	climate change salinization salt-water/fresh-water relations inverse modeling island hydrology Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
spellingShingle	climate change salinization salt-water/fresh-water relations inverse modeling island hydrology Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Michele De Biase Francesco Chidichimo Mario Maiolo Aaron Micallef The Impact of Predicted Climate Change on Groundwater Resources in a Mediterranean Archipelago: A Modelling Study of the Maltese Islands
description	The effects of changes in climate predicted for 2100—reduction in recharge, increase in water demand and sea-level rise—on groundwater volume and saltwater intrusion have been quantified in the Maltese Islands, an archipelago located at the center of the Mediterranean Sea. A three-dimensional density dependent and heterogeneous model, working in transient conditions, was developed based on morphological and geological information. The hydraulic conductivity and porosity of the lithological formations were derived from previous tests and studies conducted on the islands. The complex fault system intersecting the area has also been included in the model. The results show that among the three considered factors affecting groundwater resources, the most significant is the increase in water demand, which is closely followed by the decrease in groundwater recharge. Sea-level rise plays a marginal role. The 80-year simulation period showed that these combined impacts would cause a loss of more than 16% of groundwater volume.
format	article
author	Michele De Biase Francesco Chidichimo Mario Maiolo Aaron Micallef
author_facet	Michele De Biase Francesco Chidichimo Mario Maiolo Aaron Micallef
author_sort	Michele De Biase
title	The Impact of Predicted Climate Change on Groundwater Resources in a Mediterranean Archipelago: A Modelling Study of the Maltese Islands
title_short	The Impact of Predicted Climate Change on Groundwater Resources in a Mediterranean Archipelago: A Modelling Study of the Maltese Islands
title_full	The Impact of Predicted Climate Change on Groundwater Resources in a Mediterranean Archipelago: A Modelling Study of the Maltese Islands
title_fullStr	The Impact of Predicted Climate Change on Groundwater Resources in a Mediterranean Archipelago: A Modelling Study of the Maltese Islands
title_full_unstemmed	The Impact of Predicted Climate Change on Groundwater Resources in a Mediterranean Archipelago: A Modelling Study of the Maltese Islands
title_sort	impact of predicted climate change on groundwater resources in a mediterranean archipelago: a modelling study of the maltese islands
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/e4b90380b9d74c31a45fc8eb20f195d0
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The Impact of Predicted Climate Change on Groundwater Resources in a Mediterranean Archipelago: A Modelling Study of the Maltese Islands

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