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\bibitem{Hackert_etal2011} Hackert, E., Ballabrera-Poy, J., Busalacchi, A. J., Zhang, R. - H., \& Murtugudde, R. (2011). Impact of sea surface salinity assimilation on coupled forecasts in the tropical Pacific. \textit{J. Geophys. Res.}, \textit{116}(C5).

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