Insights from Climate Modelling User Group Meeting - July 2018
Discussion at the Climate Modelling User Group meeting highlighted the use of Ocean ECVs, with a focus on organic carbon production and model comparisons. Key topics included increasing resolution, biogeochemistry predictions, and validation using OC CCI data. Various WP projects were also discussed, involving quality assessment of CCI products, sea ice assimilation, physics-BGC coupling, and community climate evaluation tools adaptation. The meeting emphasized collaboration and ongoing work in climate modeling and data analysis.
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Ocean ECVs OC producing particulate organic carbon which can be compared to models Good to see harmonised approach to coarsening uncertainties. Could also look at increasing resolution e.g. supersampling? Discussion on scales of model comparison, especially for biology. E.g. look at provinces, OC have a paper in prep. on earth/ocean mover distance Pleased to see SSS compared to chl, discussed techniques, work ongoing Idea for future: use OC for parameter estimation of climate models Discussed use of sea state significant wave height to be used in CO2flux Discussed use of SST CCI in decadal forecasting. Used for validation alongside sea level and clouds. Highlights regions of uncertainty. High resolution useful Noted some variables like OC, sea state not used much this phase Climate Modelling User Group CMUG | 25-07-2018 | Slide 1
Ocean ECVs Outside CMUG, BSC doing seasonal and decadal prediction of biogeochemistry, will use OC CCI for validation OC asked about biophysical feedbacks. In progress, CMUG will keep in touch SSS asked about requirements and if uncertainties used. Not yet, but would like to. Regular grid would be preferred Current sea level work focused on coastal regions. Not looked at by CMUG, in future could look at assimilation with high coastal resolution. Observations much higher resolution than models are though OC have primary production product from another project, will send to CMUG Climate Modelling User Group CMUG | 25-07-2018 | Slide 2
WP3: Quality assessment of CCI products BSC: Sea ice assimilation improves predictability of SIC and SST UKMO: Two-way physics-BGC coupling constrained by OC, air-sea CO2 transfer constrained by sea state. Work in progress. WP4: Exploiting CCI products in MIPs BSC: SST assimilation improves decadal prediction of SST MPI: System memory of SSS in ECVs and models (presented previously) WP5: Adaptation of community climate evaluation tools for CCI OC, SSS, SST implemented in ESMValTool and used for IPCC AR6 New diagnostics for OC, SSS, e.g. radar plots of regional correlation Climate Modelling User Group CMUG | 25-07-2018 | Slide 3
Climate Modelling User Group CMUG | 25-07-2018 | Slide 4
