Terrestrial freshwater lenses: Unexplored subterranean oases

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dc.contributor.author Laattoe, Tariq
dc.contributor.author Werner, Adrian D
dc.contributor.author Woods, Juliette A
dc.contributor.author Cartwright, Ian
dc.date.accessioned 2017-09-15T05:28:14Z
dc.date.available 2017-09-15T05:28:14Z
dc.date.issued 2017-08-22
dc.description © 2017 Elsevier. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ This author accepted manuscript is made available following 24 month embargo from date of publication (August 2017) in accordance with the publisher’s archiving policy en
dc.description.abstract Freshwater lenses are lenticular bodies of fresh (TDS<1000 mg/L) groundwater that develop above more saline groundwater within the same host aquifer due in part to buoyancy. In contrast to the widely studied situation of freshwater lenses in coastal aquifers, the formation, location and persistence of freshwater lenses in terrestrial settings are poorly understood. This is despite inland aquifers commonly containing saline groundwater, particularly in arid and semi-arid climates, and the local occurrences of freshwater being critical for ecosystems and human endeavour. We identify and classify known terrestrial freshwater lenses (TFLs) using four formation categories, namely topography, geology, groundwater-surface water interaction and recharge mechanisms. The resulting typology highlights the importance of buoyancy in the formation of TFLs in otherwise unlikely situations, implying that TFLs may be more prevalent than previously thought. TFLs represent some of the most vulnerable and precious freshwater resources on Earth that require considerably more research into mechanisms of formation and threats to their existence. en
dc.identifier.citation Laattoe, T., Werner, A. D., Woods, J. A., & Cartwright, I. (2017). Terrestrial freshwater lenses: Unexplored subterranean oases. Journal of Hydrology, 553, 501-507. https://doi.org/10.1016/j.jhydrol.2017.08.014 en
dc.identifier.doi https://doi.org/10.1016/j.jhydrol.2017.08.014 en
dc.identifier.issn 0022-1694
dc.identifier.uri http://hdl.handle.net/2328/37485
dc.language.iso en
dc.oaire.license.condition.license CC-BY-NC-ND
dc.publisher Elsevier en
dc.rights © 2017 Elsevier B.V. All rights reserved. en
dc.rights.holder Elsevier B.V. en
dc.subject Saline groundwater en
dc.subject Terrestrial freshwater lens en
dc.subject Density en
dc.subject Water resources en
dc.subject Typology en
dc.subject Review en
dc.title Terrestrial freshwater lenses: Unexplored subterranean oases en
dc.type Article en
local.contributor.authorOrcidLookup Werner, Adrian D: https://orcid.org/0000-0002-1190-1301 en_US
local.contributor.authorOrcidLookup Woods, Juliette A: https://orcid.org/0000-0002-3669-5049 en_US
local.contributor.authorOrcidLookup Cartwright, Ian: https://orcid.org/0000-0001-5300-4716
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