Peer-Reviewed Journal Details
Mandatory Fields
Cave, RR,Henry, T
Estuarine Coastal And Shelf Science
Intertidal and submarine groundwater discharge on the west coast of Ireland
Optional Fields
Ireland Galway bay submarine groundwater discharge karst hydrogeology nutrients RADIUM ISOTOPES WATER-QUALITY NUTRIENT DYNAMICS AQUIFERS SPRINGS LAGOON ISLAND AREA SEA
Submarine Groundwater Discharge is now a phenomenon of global interest, as studies show that it represents both a significant proportion of the fresh water input to the ocean, and a significant contribution to the loads of many substances. At present, little monitoring of groundwater in Ireland is carried out at its point of entry to seawater, and consequently the volumes of fresh water, and the loads of nutrients and contaminants being carried into Irish coastal waters by submarine and intertidal groundwater discharge (SiGD), are unknown. SiGD is the principal source of fresh water entering Irish coastal waters between the major west coast estuaries of the Corrib and the Shannon. Calculations of the volume of submarine SiGD delivered to southern Galway bay in winter indicate it equals 10-25% of the discharge of the R. Corrib, and that its nutrient load may be of the same order of magnitude as that from the R. Corrib. This coastal karst area includes important commercial shellfish waters, which may be strongly impacted by SiGD. (C) 2011 Elsevier Ltd. All rights reserved.
DOI 10.1016/j.ecss.2011.01.019
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