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Published byAbigail Lopez Modified over 3 years ago

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Page 1© Crown copyright 2004 Skill scores for GEMS-aerosol Olivier Boucher GEMS - Kick-off meeting July 2005

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Page 2© Crown copyright 2004 Skill scores - Correlation coefficients (observed vs simulated aerosol properties) - current models perform well on monthly means - challenge will be to get good correlation on daily means - Linear fits: slope, offset - Root-mean square errors - largely used in RAQ - Taylor diagrams - summarizes model performance in terms of correlation coefficient, standard deviation, and RMS. - Figures of merit - useful to test the transport for particular events - has been used for ETEX

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Page 3© Crown copyright 2004 Skill scores - Figures of merit - useful to test the transport for particular events - has been used for ETEX Time Concentration AOD Obs Model Merit=blue area/green area

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