Submarine groundwater discharge from tropical islands: a review

Moosdorf, Nils, Stieglitz, Thomas, Waska, Hannelore, Dürr, Hans H., and Hartmann, Jens (2015) Submarine groundwater discharge from tropical islands: a review. Grundwasser, 20 (1). pp. 53-67.

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Abstract

Submarine groundwater discharge (SGD) is a rarely recognized pathway for nutrients and other solutes from land to sea. The sensitive coastal ecosystems around tropical islands could be particularly affected by nutrient discharge associated with SGD in relation to surficial nutrient transport by rivers, but have received comparatively little attention to date. This study reviews the findings of local assessments of submarine groundwater discharge from tropical islands. In addition, the ratio of coast length and land area of individual land bodies is suggested as an appropriate first-order estimate of the relevance of SGD versus river discharge, demonstrating the potential relative importance of SGD from tropical islands over rivers. The review highlights the need for targeted research of submarine groundwater discharge from tropical islands and highlights its relevance for biogeochemical fluxes in these geographic settings.

Item ID: 37120
Item Type: Article (Refereed Research - C1)
Keywords: submarine groundwater discharge, biogeochemistry, coastal zone, nutrient, tropical island
ISSN: 1432-1165
Funders: BMBF Project "SGD-NUT", German Research Foundation (DFG)
Projects and Grants: BMBF Grant 01LN1307A, DFG EXC177
Date Deposited: 17 Jun 2015 02:24
FoR Codes: 04 EARTH SCIENCES > 0403 Geology > 040305 Marine Geoscience @ 50%
04 EARTH SCIENCES > 0406 Physical Geography and Environmental Geoscience > 040603 Hydrogeology @ 50%
SEO Codes: 96 ENVIRONMENT > 9611 Physical and Chemical Conditions of Water > 961102 Physical and Chemical Conditions of Water in Coastal and Estuarine Environments @ 40%
96 ENVIRONMENT > 9609 Land and Water Management > 960903 Coastal and Estuarine Water Management @ 30%
96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960506 Ecosystem Assessment and Management of Fresh, Ground and Surface Water Environments @ 30%
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