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SPARC Reanalysis Intercomparison Project (S-RIP) Final Report

Fujiwara, Masatomo and Manney, Gloria L. and Gray, Lesley J. and Wright, Jonathon S. (2022) SPARC Reanalysis Intercomparison Project (S-RIP) Final Report. Other. WCRP Report 06/2021. 612 S. doi: 10.17874/800dee57d13.

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Official URL: https://www.sparc-climate.org/sparc-report-no-10/


The S-RIP activity focuses predominantly on reanalyses, although some chapters include diagnostics from operational analyses when appropriate. Many of the chapters focus primarily on newer reanalysis systems that assimilate upper-air measurements and produce data at relatively high resolution (i.e., ERA-Interim, JRA55, MERRA, MERRA-2, and CFSR). The ERA5 reanalysis, which was released during the latter stages of the activity, is not fully evaluated but is included in some intercomparisons. Selected long-term reanalyses that assimilate only surface meteorological observations (e.g., NOAA-CIRES 20CR, ERA-20C, and CERA-20C) are also evaluated where appropriate. Some chapters include comparisons with older reanalyses (NCEP-NCAR R1, NCEP-DOE R2, ERA-40, and JRA-25/JCDAS), because these products have been extensively used in the past and are still being used for some studies, and because such comparisons can provide insight into the potential shortcomings of past research results. Other chapters only include a subset of these reanalysis data sets, since some reanalyses have already been shown to perform poorly for certain diagnostics or do not extend high enough (e.g., pressures less than 10hPa) in the atmosphere. At the beginning of each chapter an explanation is given as to why specific reanalysis data sets were included or excluded. The minimum intercomparison period is 1980-2010. This period starts with the availability of MERRA-2 shortly after the advent of high-frequency remotely sensed data in late 1978 and ends with the transition between CFSR and CFSv2. Some chapters also consider the pre-satellite era before 1979 and/or include results for more recent years. Some chapters use shorter intercomparison periods for some diagnostics due to limitations in the observational record available for comparison and/or computational resources.

Item URL in elib:https://elib.dlr.de/148623/
Document Type:Monograph (Other)
Additional Information:10th assessment report of the SPARC project, published by the International Project Office at DLR-IPA. also: WCRP Report 6/2021
Title:SPARC Reanalysis Intercomparison Project (S-RIP) Final Report
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Fujiwara, MasatomoHokkaido UniversityUNSPECIFIEDUNSPECIFIED
Manney, Gloria L.NorthWest Research AssociatesUNSPECIFIEDUNSPECIFIED
Gray, Lesley J.University of OxfordUNSPECIFIEDUNSPECIFIED
Wright, Jonathon S.Tsinghua UniversityUNSPECIFIEDUNSPECIFIED
Date:31 January 2022
Refereed publication:No
Open Access:Yes
Number of Pages:612
EditorsEmailEditor's ORCID iDORCID Put Code
Series Name:SPARC report
Keywords:SPARC, Ozone, Trends, Variability, S-RIP, Reanalysis Data, ERA
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Project Climatic relevance of atmospheric tracer gases, aerosols and clouds
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics
Institute of Atmospheric Physics > Transport Meteorology
Deposited By: Wenzel, Sabrina
Deposited On:02 Feb 2022 12:14
Last Modified:28 Apr 2022 10:22

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