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Seasonal and annual fluxes of nutrients and organic matter from large rivers to the Arctic Ocean and surrounding seas

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dc.contributor.author Holmes, Robert M.
dc.contributor.author McClelland, James W.
dc.contributor.author Peterson, Bruce J.
dc.contributor.author Tank, Suzanne E.
dc.contributor.author Bulygina, Ekaterina
dc.contributor.author Eglinton, Timothy I.
dc.contributor.author Gordeev, Viacheslav V.
dc.contributor.author Gurtovaya, Tatiana Y.
dc.contributor.author Raymond, Peter A.
dc.contributor.author Repeta, Daniel J.
dc.contributor.author Staples, Robin
dc.contributor.author Striegl, Robert G.
dc.contributor.author Zhulidov, Alexander V.
dc.contributor.author Zimov, Sergey A.
dc.date.accessioned 2012-04-05T14:19:52Z
dc.date.available 2012-04-05T14:19:52Z
dc.date.issued 2011-03
dc.identifier.uri http://hdl.handle.net/1912/5112
dc.description Author Posting. © The Author(s), 2011. This is the author's version of the work. It is posted here by permission of Springer for personal use, not for redistribution. The definitive version was published in Estuaries and Coasts 35 (2012): 369-382, doi:10.1007/s12237-011-9386-6. en_US
dc.description.abstract River inputs of nutrients and organic matter impact the biogeochemistry of arctic estuaries and the Arctic Ocean as a whole, yet there is considerable uncertainty about the magnitude of fluvial fluxes at the pan-arctic scale. Samples from the six largest arctic rivers, with a combined watershed area of 11.3 x 106 km2, have revealed strong seasonal variations in constituent concentrations and fluxes within rivers as well as large differences among the rivers. Specifically, we investigate fluxes of dissolved organic carbon, dissolved organic nitrogen, total dissolved phosphorus, dissolved inorganic nitrogen, nitrate, and silica. This is the first time that seasonal and annual constituent fluxes have been determined using consistent sampling and analytical methods at the pan arctic scale, and consequently provide the best available estimates for constituent flux from land to the Arctic Ocean and surrounding seas. Given the large inputs of river water to the relatively small Arctic Ocean, and the dramatic impacts that climate change is having in the Arctic, it is particularly urgent that we establish the contemporary river fluxes so that we will be able to detect future changes and evaluate the impact of the changes on the biogeochemistry of the receiving coastal and ocean systems. en_US
dc.description.sponsorship This work was supported by the National Science Foundation through grants OPP-0229302, OPP-0519840, OPP-0732522, and OPP-0732944. Additional support was provided by the U. S. Geological Survey (Yukon River) and the Department of Indian and Northern Affairs (Mackenzie River). en_US
dc.format.mimetype application/pdf
dc.language.iso en_US en_US
dc.relation.uri http://dx.doi.org/10.1007/s12237-011-9386-6
dc.title Seasonal and annual fluxes of nutrients and organic matter from large rivers to the Arctic Ocean and surrounding seas en_US
dc.type Preprint en_US


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