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Global subterranean estuaries modify groundwater nutrient loading to the ocean
BECK, Melanie
Carl Von Ossietzky Universität Oldenburg = Carl von Ossietzky University of Oldenburg [OFFIS]
Carl Von Ossietzky Universität Oldenburg = Carl von Ossietzky University of Oldenburg [OFFIS]
WASKA, Hannelore
Carl Von Ossietzky Universität Oldenburg = Carl von Ossietzky University of Oldenburg [OFFIS]
Carl Von Ossietzky Universität Oldenburg = Carl von Ossietzky University of Oldenburg [OFFIS]
LAMONTAGNE, Sebastien
Commonwealth Scientific and Industrial Research Organisation [Australia] [CSIRO]
Commonwealth Scientific and Industrial Research Organisation [Australia] [CSIRO]
KUMAR, Bsk
National Institute of Oceanography and Fisheries [National Institute of Oceanography and Fisheries]
National Institute of Oceanography and Fisheries [National Institute of Oceanography and Fisheries]
VISWANADHAM, R
National Institute of Oceanography and Fisheries [National Institute of Oceanography and Fisheries]
National Institute of Oceanography and Fisheries [National Institute of Oceanography and Fisheries]
SARMA, Vvss
National Institute of Oceanography and Fisheries [National Institute of Oceanography and Fisheries]
National Institute of Oceanography and Fisheries [National Institute of Oceanography and Fisheries]
STIEGLITZ, Thomas
Centre Européen de Recherche et d'Enseignement des Géosciences de l'Environnement [CEREGE]
Centre Européen de Recherche et d'Enseignement des Géosciences de l'Environnement [CEREGE]
NIENCHESKI, Felipe
Univesidade Federal do Rio Grande do Norte = Federal University of Rio Grande do Norte [UFRN]
< Leer menos
Univesidade Federal do Rio Grande do Norte = Federal University of Rio Grande do Norte [UFRN]
Idioma
EN
Article de revue
Este ítem está publicado en
Limnology and Oceanography Letters. 2024
Resumen en inglés
Terrestrial groundwater travels through subterranean estuaries before reaching the sea. Groundwater-derived nutrients drive coastal water quality, primary production, and eutrophication. We determined how dissolved inorganic ...Leer más >
Terrestrial groundwater travels through subterranean estuaries before reaching the sea. Groundwater-derived nutrients drive coastal water quality, primary production, and eutrophication. We determined how dissolved inorganic nitrogen (DIN), dissolved inorganic phosphorus (DIP), and dissolved organic nitrogen (DON) are transformed within subterranean estuaries and estimated submarine groundwater discharge (SGD) nutrient loads compiling > 10,000 groundwater samples from 216 sites worldwide. Nutrients exhibited complex, non- conservative behavior in subterranean estuaries. Fresh groundwater DIN and DIP are usually produced, and DON is consumed during transport. Median total SGD (saline and fresh) fluxes globally were 5.4, 2.6, and 0.18 Tmol yr1 for DIN, DON, and DIP, respectively. Despite large natural variability, total SGD fluxes likely exceed global riverine nutrient export. Fresh SGD is a small source of new nutrients, but saline SGD is an important source of mostly recycled nutrients. Nutrients exported via SGD via subterranean estuaries are critical to coastal biogeochemistry and a significant nutrient source to the oceans.< Leer menos
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