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EMS2017 – An Investigation of Systematic Errors in Solar Radiation for Reanalysis Datasets

I attended EMS2017 in DCU, Dublin in September 2017. I presented a poster titled “An Investigation of Systematic Errors in Solar Radiation for Reanalysis Datasets”. This included the accuracy of reanalyses to estimate shortwave radiation (SW) compared to station observations, using a selection of standard skill scores. It also shows initial results of a systematic link between prevailing cloud structures (frontal cloud or convective cloud) and SW errors, as seen in satellite imagery. In a limited sample of cases, for MERRA2, convective clouds are linked to large negative errors and frontal clouds are linked to large positive errors. The final part of the poster was to show the improvement a simple adaptive post processing method (linear least squares) can provide to the reanalysis skill scores.