Integrated Earth System Analysis Workshop Report 2010
Workshop report evaluating new U.S. reanalyses, highlighting strengths, limitations, and proposed improvements in climate analysis. Overview includes methods for developing integrated Earth system analyses, diagnostic assessments, and applications in climate and weather studies. Emphasis on enhancing understanding of reanalysis systems through quantified impact analysis and addressing data limitations for future developments. Discussion on utilizing multiple reanalyses, characterizing variance, and improving communication within the user community and systems experts.
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Presentation Transcript
Integrated Earth System Analysis Workshop Report Held November 2010, Baltimore MD http://www.usclivar.org/Reanalysis2010.php Details at 2PM POS Panel
IESA Workshop Overview Evaluation of Reanalyses Developing an Integrated Earth System Analysis (IESA) Capability November 1-3, 2010, Baltimore (90 Participants) Assess strengths and limitations of the new recent U.S. reanalyses and suggest where improvements of reanalysis products can be made; identify additional studies necessary to further elucidate the fidelity and usefulness of recent U.S. reanalyses; (DAY 1) Develop definitions and identify goals of U.S. efforts leading to the forthcoming generation of integrated Earth system analyses (IESA); (DAY 2) Develop diagnostics to quantitatively assess needed improvements in IESA products; (DAY 2) Demonstrate applications of reanalyses in climate and weather that would further highlight needed improvements in reanalysis products (DAY 3)
Overall New reanalyses generally producing improved results over previous Observing system variations continue to limit climate quality of all reanalyses Models and observations continue to improve; need to narrow the difference among reanalyses Multiple reanalyses are more beneficial than burdensome Improved understanding of the uncertainty (especially important for coupled analyses), quantified impact of certain features
Looking forward Utilize the multitude of reanalyses: Characterizing the variance among reanalyses (uncertainty?) Develop the benchmark from which to evaluate new Integrated reanalyses (physics/data assimilation) Better understand the physics in the reanalysis systems Present day decadal and climate predictions CFSR has coupled components; GMAO coupled analysis for NCA under development Data Limitations and IESA Pre-Argo Pre-EOS New reanalyses will continue to be developed, some will be coupled Earth systems Communication between the user community and those knowledgeable about the systems is essential (e.g. more detailed output diagnostic requirements)
4thWCRP International Conference on Reanalyses Silver Spring MD, May 7-11 2012 http://reanalyses.org/meetings/4th-wcrp- international-conference-reanalyses Major Topics IESA and components of the Earth System Impact of the changing observing system Validation and Metrics Observations and Data Assimilation Applications and International collaborative efforts Presently developing a list of invited speakers
