Global potential for the growth of fresh groundwater resources with large beach nourishments

Abstract Whether a coastal area is suitable for beach nourishments and can induce a growth in fresh groundwater resources depends on the appropriateness of the intended site for beach nourishments, and the attainable growth in fresh groundwater resources. In this study we presume that all eroding sa...

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Autores principales:	S. Huizer, A. P. Luijendijk, M. F. P. Bierkens, G. H. P. Oude Essink
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e7d1906505324678892cd702f29e2268
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spelling	oai:doaj.org-article:e7d1906505324678892cd702f29e22682021-12-02T15:08:22ZGlobal potential for the growth of fresh groundwater resources with large beach nourishments10.1038/s41598-019-48382-z2045-2322https://doaj.org/article/e7d1906505324678892cd702f29e22682019-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-48382-zhttps://doaj.org/toc/2045-2322Abstract Whether a coastal area is suitable for beach nourishments and can induce a growth in fresh groundwater resources depends on the appropriateness of the intended site for beach nourishments, and the attainable growth in fresh groundwater resources. In this study we presume that all eroding sandy beaches are suitable for large beach nourishments, and focus on the impact of these nourishments on fresh groundwater in various coastal settings. The growth in fresh groundwater resources – as a consequence of the construction of a beach nourishment – was quantified with 2-D variable-density groundwater models, for a global range in geological parameters and hydrological processes. Our simulation results suggest that large beach nourishments will likely lead to a (temporary) increase of fresh groundwater resources in most settings. However, for a substantial growth in fresh groundwater, the coastal site should receive sufficient groundwater recharge, consist of sediment with a low to medium hydraulic conductivity, and be subject to a limited number of land-surface inundations. Our global analysis shows that 17% of shorelines may consist of erosive sandy beaches, and of these sites 50% have a high potential suitability. This shows a considerable potential worldwide to combine coastal protection with an increase in fresh groundwater resources.S. HuizerA. P. LuijendijkM. F. P. BierkensG. H. P. Oude EssinkNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-14 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q S. Huizer A. P. Luijendijk M. F. P. Bierkens G. H. P. Oude Essink Global potential for the growth of fresh groundwater resources with large beach nourishments
description	Abstract Whether a coastal area is suitable for beach nourishments and can induce a growth in fresh groundwater resources depends on the appropriateness of the intended site for beach nourishments, and the attainable growth in fresh groundwater resources. In this study we presume that all eroding sandy beaches are suitable for large beach nourishments, and focus on the impact of these nourishments on fresh groundwater in various coastal settings. The growth in fresh groundwater resources – as a consequence of the construction of a beach nourishment – was quantified with 2-D variable-density groundwater models, for a global range in geological parameters and hydrological processes. Our simulation results suggest that large beach nourishments will likely lead to a (temporary) increase of fresh groundwater resources in most settings. However, for a substantial growth in fresh groundwater, the coastal site should receive sufficient groundwater recharge, consist of sediment with a low to medium hydraulic conductivity, and be subject to a limited number of land-surface inundations. Our global analysis shows that 17% of shorelines may consist of erosive sandy beaches, and of these sites 50% have a high potential suitability. This shows a considerable potential worldwide to combine coastal protection with an increase in fresh groundwater resources.
format	article
author	S. Huizer A. P. Luijendijk M. F. P. Bierkens G. H. P. Oude Essink
author_facet	S. Huizer A. P. Luijendijk M. F. P. Bierkens G. H. P. Oude Essink
author_sort	S. Huizer
title	Global potential for the growth of fresh groundwater resources with large beach nourishments
title_short	Global potential for the growth of fresh groundwater resources with large beach nourishments
title_full	Global potential for the growth of fresh groundwater resources with large beach nourishments
title_fullStr	Global potential for the growth of fresh groundwater resources with large beach nourishments
title_full_unstemmed	Global potential for the growth of fresh groundwater resources with large beach nourishments
title_sort	global potential for the growth of fresh groundwater resources with large beach nourishments
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/e7d1906505324678892cd702f29e2268
work_keys_str_mv	AT shuizer globalpotentialforthegrowthoffreshgroundwaterresourceswithlargebeachnourishments AT apluijendijk globalpotentialforthegrowthoffreshgroundwaterresourceswithlargebeachnourishments AT mfpbierkens globalpotentialforthegrowthoffreshgroundwaterresourceswithlargebeachnourishments AT ghpoudeessink globalpotentialforthegrowthoffreshgroundwaterresourceswithlargebeachnourishments
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Global potential for the growth of fresh groundwater resources with large beach nourishments

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