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Using Earth radiation budget data for climate model

evaluation

Mark RingerHadley Centre, Met Office,

UKGIST 19: Aug 27-29, 2003

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Outline

Simulation of radiation budget and cloud over the GERB region

Combining ERB data with ISCCP and reanalyses

Model evaluation according to dynamical regimes

Interannual variability over the tropical Pacific

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ERB data and climate research

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Simulation of outgoing longwave for JJA

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Simulation of reflected shortwave for JJA

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Simulation of vertical motion for JJA

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Simulation of clear-sky OLR for JJA

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Comparison with ISCCP high cloud amounts

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Comparison with ISCCP low cloud amounts

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Evaluation within dynamical regimes - ERB

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Evaluation within dynamical regimes - cloud

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OLR anomalies over the tropical Pacific

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Convective cloud anomalies over the tropical Pacific

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Summary

ERB data provide valuable resource for climate model evaluation

Added value obtained by combining with other EO data and reanalyses

Important to evaluate both model climatology and variability