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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

Dit archief wordt uitgebouwd en beheerd volgens de principes van de Open Access Movement, en het daaruit ontstane Open Archives Initiative.

Basisinformatie over ‘Open Access to scholarly information'.

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one publication added to basket [366506]

Recent trends in the chemistry of major northern rivers signal widespread Arctic change Tank, Suzanne E.; McClelland, James W.; Spencer, Robert G. M.; Shiklomanov, Alexander I.; Suslova, Anya; Moatar, Florentina; Amon, Rainer M. W.; Cooper, Lee W.; Elias, Greg; Gordeev, Vyacheslav V.; Guay, Christopher; Gurtovaya, Tatiana Yu.; Kosmenko, Lyudmila S.; Mutter, Edda A.; Peterson, Bruce J.; Peucker-Ehrenbrink, Bernhard; Raymond, Peter A.; Schuster, Paul F.; Scott, Lindsay; Staples, Robin; Striegl, Robert G.; Tretiakov, Mikhail; Zhulidov, Alexander V.; Zimov, Nikita; Zimov, Sergey; Holmes, Robert M. (2023). Recent trends in the chemistry of major northern rivers signal widespread Arctic change. Nature Geoscience 16(9): 789-796. https://dx.doi.org/10.1038/s41561-023-01247-7 In: Nature Geoscience. Nature Publishing Group: London. ISSN 1752-0894; e-ISSN 1752-0908, meer Is gerelateerd aan: Lacroix, F. (2023). Arctic rivers tell tales of change. Nature Geoscience 16(9): 760-761. https://dx.doi.org/10.1038/s41561-023-01248-6, meer

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Beschikbaar in
VLIZ: Non-open access 392011 [ aanvragen ]

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Trefwoord

Marien/Kust

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Abstract

Rivers integrate processes occurring throughout their watersheds and are therefore sentinels of change across broad spatial scales. River chemistry also regulates ecosystem function across Earth’s land–ocean continuum, exerting control from the micro- (for example, local food web) to the macro- (for example, global carbon cycle) scale. In the rapidly warming Arctic, a wide range of processes—from permafrost thaw to biological uptake and transformation—might reasonably alter river water chemistry. Here we use data from major rivers that collectively drain two-thirds of the Arctic Ocean watershed to assess widespread change in biogeochemical function within the pan-Arctic basin from 2003 to 2019. While the oceanward flux of alkalinity and associated ions increased markedly over this time frame, nitrate and other inorganic nutrient fluxes declined. Fluxes of dissolved organic carbon showed no overall trend. This divergence in response indicates the perturbation of multiple processes on land, with implications for biogeochemical cycling in the coastal ocean. We anticipate that these findings will facilitate refinement of conceptual and numerical models of current and future functioning of Arctic coastal ecosystems and spur research on scale-dependent change across the river-integrated Arctic domain.

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