Articles | Volume 26, issue 2
https://doi.org/10.5194/hess-26-279-2022
https://doi.org/10.5194/hess-26-279-2022
Research article
 | 
24 Jan 2022
Research article |  | 24 Jan 2022

Diagnostic evaluation of river discharge into the Arctic Ocean and its impact on oceanic volume transports

Susanna Winkelbauer, Michael Mayer, Vanessa Seitner, Ervin Zsoter, Hao Zuo, and Leopold Haimberger

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Cited articles

Aagaard, K. and Carmack, E. C.: The role of sea ice and other fresh water in the Arctic circulation, J. Geophys. Res.-Oceans, 94, 14485–14498, https://doi.org/10.1029/JC094iC10p14485, 1989. a
Bacon, S., Aksenov, Y., Fawcett, S., and Madec, G.: Arctic mass, freshwater and heat fluxes: methods and modelled seasonal variability, Philos. T. Roy. Soc. A, 373, 20140169, https://doi.org/10.1098/rsta.2014.0169, 2015. a, b, c, d
Balsamo, G., Beljaars, A., Scipal, K., Viterbo, P., van den Hurk, B., Hirschi, M., and Betts, A. K.: A Revised Hydrology for the ECMWF Model: Verification from Field Site to Terrestrial Water Storage and Impact in the Integrated Forecast System, J. Hydrometeorol., 10, 623–643, https://doi.org/10.1175/2008JHM1068.1, 2009. a
Blockley, E. W., Martin, M. J., McLaren, A. J., Ryan, A. G., Waters, J., Lea, D. J., Mirouze, I., Peterson, K. A., Sellar, A., and Storkey, D.: Recent development of the Met Office operational ocean forecasting system: an overview and assessment of the new Global FOAM forecasts, Geosci. Model Dev., 7, 2613–2638, https://doi.org/10.5194/gmd-7-2613-2014, 2014. a
Bourdalle-Badie, R. and Treguier, A.-M.: A climatology of runoff for the global ocean-ice model ORCA025, available at: https://www.drakkar-ocean.eu/publications/reports/runoff-mercator-06.pdf (last access: 10 January 2021), 2006. a, b
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We evaluate Arctic river discharge using in situ observations and state-of-the-art reanalyses, inter alia the most recent Global Flood Awareness System (GloFAS) river discharge reanalysis version 3.1. Furthermore, we combine reanalysis data, in situ observations, ocean reanalyses, and satellite data and use a Lagrangian optimization scheme to close the Arctic's volume budget on annual and seasonal scales, resulting in one reliable and up-to-date estimate of every volume budget term.
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