Activity leads
Jonathon Wright
Tsinghua University, China
Gloria Manney
NorthWest Research Associates, USA
(also at New Mexico Institute of Mining and Technology)
Masatomo Fujiwara
Hokkaido University, Japan
Steering Committee
Sean Davis
NOAA Chemical Sciences Laboratory, USA
Mohamadou Diallo
Forschungszentrum Jülich GmbH, IEK-7, Germany
V. Lynn Harvey
Laboratory for Atmospheric and Space Physics, USA
K. Emma Knowland
NASA Global Modeling and Assimilation Office, USA
(also at Universities Space Research Association)
Patrick Martineau
Japan Agency for Marine-Earth Science Technology (JAMSTEC), Japan
Felix Ploeger
Forschungszentrum Jülich GmbH, IEK-7, Germany
Kris Wargan
NASA GSFC Global Modeling and Assimilation Office, USA
(also at Universities Space Research Association)
Activity Description
The APARC community has long used reanalysis and analysis datasets to understand atmospheric processes and variability in the troposphere and stratosphere, as well as to validate chemistry-climate models. With the increasing availability of global reanalysis datasets, we are continuing a coordinated activity to compare reanalysis datasets for diagnostics of interest to the APARC community. The objectives of this activity are to understand the causes of differences among reanalyses, to use the results to provide guidance on appropriate usage of reanalysis products in scientific studies, and to support future improvements in reanalysis products through these activities.
The APARC Reanalysis Intercomparison Project (A-RIP) involves close co-operation between reanalysis centres and scientists from APARC and other groups. We host community workshops, organize sessions in international conferences, and are planning a webinar series highlighting papers published in our special issues. The S-RIP Report in the SPARC report series was published in January 2022 (see below).
Published results
SPARC Report No. 10: The SPARC S-RIP Activity: SPARC Reanalysis Intercomparison Project (S-RIP), 2022 – final report available here.
Current ACP/WCD inter-journal special issue on The SPARC Reanalysis Intercomparison Project Phase 2 (S-RIP2, now A-RIP)
Papers submitted and published to the special issue can be viewed here (ACP) or here (WCD).
Previous ACP/ESSD inter-journal special issue on The SPARC Reanalysis Intercomparison Project (S-RIP)
Papers submitted and published to the special issue can be viewed here (ACP) or here (ESSD).
Journal publications:
Fujiwara, M. et al., 2017: Introduction to the SPARC Reanalysis Intercomparison Project (S-RIP) and overview of the reanalysis systems. Atmos. Chem. Phys. 17, 1417-1452, doi: 10.5194/acp-17-1417-2017.
Long, C. S. et al., 2017: Climatology and interannual variability of dynamic variables in multiple reanalyses evaluated by the SPARC Reanalysis Intercomparison Project (S-RIP). Atmos. Chem. Phys. 17, 14593-14629, doi: 10.5194/acp-17-14593-2017.
Davis, S. M. et al., 2017: Assessment of upper tropospheric and stratospheric water vapour and ozone in reanalyses as part of S-RIP. Atmos. Chem. Phys. 17, 12743-12778, doi: 10.5194/acp-17-12743-2017.
See also: https://s-rip.github.io
SPARC activity updates:
SPARC Newsletter, No.60 (2023) p. 12–16: Planning and Proposal for Phase 2 of the SPARC-Reanalysis Intercomparison Project (S-RIP), by J.S. Wright, G. Manney, and M. Fujiwara.
SPARC Newsletter, No.58 (2022) p. 12–13: S-RIP Final Report Published, by M. Fujiwara, G. Manney, L. Gray, and J.S. Wright.
SPARC Newsletter, No.50 (2018) p. 26–29: The 2017 S-RIP workshop and the 13th SPARC data assimilation workshop, by J. McCormack, M. Fujiwara, Q. Errera, L. Gray, G. Manney, B. Monge-Sanz, and R. Dragani
SPARC Newsletter, No.48 (2017), p. 41–44: The 12th SPARC Data Assimilation Workshop and 2016 S-RIP Workshop, by M. Fujiwara, Q. Errera, L. J. Gray, G. L. Manney, J. McCormack, and J. Anstey
SPARC Newsletter No. 47 (2016), p. 12: The 2015 SPARC Reanalysis Intercomparison Project (S-RIP) workshop and the 11th SPARC data assimilation workshop, by Q. Errera, M. Fujiwara, and B. Legras
SPARC Newsletter No. 44 (2015), p. 31: Report on the 10th SPARC Data Assimilation Workshop and the 2014 SPARC Reanalysis Intercomparison Project (S-RIP) workshop in Washington DC, USA, by Q. Errera, M. Fujiwara, C. Long, and D. Jackson.
SPARC Newsletter No. 41 (2013), p. 52: SPARC Reanalysis Intercomparison Project (S-RIP) Planning Meeting, 29 April-1 May 2013, Exceter, UK, by M. Fujiwara and D. Jackson
SPARC Newsletter No. 38 (2012), p. 14: A proposal of the SPARC Reanalysis/Analysis Intercomparison Project, by M. Fujiwara, S. Polavarapu, and D. Jackson