PPT-Reanalyses

Author : danika-pritchard | Published Date : 2016-12-11

Michael Bosilovich NASA GSFC with significant contributions from others WDAC3 6 May 2014 Overview Atmospheric Reanalysis Updates JRA ERA NCEP and MERRA Community

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Reanalyses: Transcript

Michael Bosilovich NASA GSFC with significant contributions from others WDAC3 6 May 2014 Overview Atmospheric Reanalysis Updates JRA ERA NCEP and MERRA Community efforts NOAA CRTF Reanalysisorg. and Reanalyses . for Climate. . . Kevin E. Trenberth . NCAR. . Boulder . CO. Data Assimilation. merges observations & model predictions to provide a superior state estimate.. . It . provides a dynamically- consistent estimate of the state of the system using the best blend of past, current, and perhaps future observations.. Michael Bosilovich. Ana4MIPs Project. Original Goal tracks Obs4MIPS . Repackage variables to conform to . CMIP . standard format. Distribution through the Earth System Grid Federation (ESGF). Documentation to accompany data, similar to obs4MIPs Tech Notes. related. . activities. Y.Harada. , . Shinya Kobayashi. , . Y.Ota. , . H.Onoda. , . A.Ebita. , . M.Moriya. , . Kazutoshi. . Onogi. , . H.Kamahori. , . C.Kobayashi. , . H.Endo. , . K.Miyaoka. , . R.Kumabe. An. Overview . and Prospects for the Future. Michele Rienecker. Global Modeling and Assimilation Office. NASA/GSFC. With many . contributions borrowed . from the Ocean Data Assimilation . Community. Michael . Bosilovich. , Pierre Gauthier, Adrian Simmons, . Detlef. Stammer and . Russel. . Vose. Joint Reanalysis Data Working Group. Reanalysis Input Catalog. Recommend to go forward. Include quality review. extratropical. cyclones: their influence on extreme precipitation events in the . UK. Suzanne Gray. Ruari. Rhodes. , Len . Shaffrey. Jointly sponsored . by . University of Reading and Lloyds Banking Group. 1. Systematic Improvements of Reanalyses in the Arctic (SIRTA). . Draft White Paper. . Richard Cullather . (NASA, U. Maryland). Thomas M. Hamill . (NOAA). David Bromwich . (Ohio State). Xingren Wu . of the . SPARC Reanalysis . Intercomparison. Project . (S-RIP) . Masatomo. Fujiwara (Hokkaido Univ., Japan), . . Lesley Gray (Oxford Univ., UK), . Gloria . Manney. (NWRA, USA). . http://s-rip.ees.hokudai.ac.jp/. Fig. 2 shows the largest spatial differences occur between the older JRA-25 reanalysis when compared with the newer high resolution reanalyses (ERA-Interim) (top), particularly in the Southern Hemisphere (top right).. A white paper outlining the need for reanalysis intercomparison guidanceand task teamat an international level Developed with input fromMichael Bosilovich, NASA GSFC GMAOJeanNoël Thépaut, ECMWFKazut https://psl.noaa.gov/data/writ_new/. Presentation given May 2020. . Additional datasets, variables, and features have been added since.. Ocean Datasets. Reanalyses. Original horizontal resolution. Original Time range. and Prospects for the Future. Michele Rienecker. Global Modeling and Assimilation Office. NASA/GSFC. With many . contributions borrowed . from the Ocean Data Assimilation . Community. e. specially. Co-authors of Rienecker et al. OceanObs’09.

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