The ERA-40 re-analysis

Uppala, S. M., Kallberg, P. W., Simmons, A. J., Andrae, U., Bechtold, V. D., Fiorino, M., … Woollen, J. (2005). The ERA-40 re-analysis. Quarterly Journal Of The Royal Meteorological Society, 131, 2961-3012. doi:10.1256/qj.04.176

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