NG41B:
Evaluating Reanalysis: Learning about Past Weather and Climate II Posters

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Session ID#: 13068

Session Description:
Reanalysis is a scientific method for producing a physically complete estimation of the past state and variability of geophysical systems such 
as the atmosphere and ocean. Reanalyses are frequently used as "observations" in assessing the fidelity of model simulations of the recent past, and also in studying short-term variability and long-term change in the system. However, inhomogeneities in the observing system and biases in the numerical models may lead to spurious changes and trends in reanalysis products. These issues can be addressed to some extent by intercomparing different reanalyses, and comparing reanalysis output to independent observations. Organized efforts such as the SPARC Reanalysis Intercomparison Project (S-RIP) and the EU funded project UERRA have started to systematically evaluate reanalyses.

The session welcomes contributions on the evaluation, intercomparison and application of reanalyses, including global, regional, atmospheric, 
ocean, and coupled reanalyses. In particular, intercomparison of multiple reanalyses and comparisons with independent data are encouraged.
Primary Convener:  Jan Dominik Keller, Deutscher Wetterdienst, Lindenberg, Germany
Conveners:  Masatomo Fujiwara, Hokkaido University, Faculty of Environmental Earth Science, Sapporo, Japan and Sean M Davis, University of Colorado / CIRES, Boulder, CO, United States
Chairs:  Masatomo Fujiwara, Hokkaido University, Faculty of Environmental Earth Science, Sapporo, Japan and Sean M Davis, University of Colorado / CIRES, Boulder, CO, United States
OSPA Liaison:  Sean M Davis, University of Colorado / CIRES, Boulder, CO, United States
Co-Organized with:
Nonlinear Geophysics, and Atmospheric Sciences

Cross-Listed:
  • A - Atmospheric Sciences
  • GC - Global Environmental Change
  • OS - Ocean Sciences

Proposed Co-Organized Session with:
  • A - Atmospheric Sciences
Index Terms:

3305 Climate change and variability [ATMOSPHERIC PROCESSES]
3309 Climatology [ATMOSPHERIC PROCESSES]
3315 Data assimilation [ATMOSPHERIC PROCESSES]
3339 Ocean/atmosphere interactions [ATMOSPHERIC PROCESSES]

Abstracts Submitted to this Session:

Impacts of Frontal SST Gradients on the Atmosphere as Revealed in New Products of the Japanese Reanalysis for the Global Atmosphere (127057)
Hisashi Nakamura1, Ryusuke Masunaga2, Hirotaka Kamahori3, Chiaki Kobayashi3 and Satoru Okajima4, (1)The University of Tokyo, Tokyo, Japan, (2)The University of Tokyo, RCAST, Tokyo, Japan, (3)Meteorological Research Institute, Ibaraki, Japan, (4)The University of Tokyo, Research Center for Advanced Science and Technology, Tokyo, Japan
The high-resolution regional reanalysis COSMO-REA6 (133543)
Christian Ohlwein, University of Bonn, Meteorological Institute, Bonn, Germany
Stratospheric water vapor and ozone evaluation in reanalyses as part of the SPARC Reanalysis Intercomparison Project (S-RIP) (141856)
Sean M Davis, University of Colorado / CIRES, Boulder, CO, United States
Quantifying Uncertainty in the Twentieth Century Reanalysis Version 2c, and Improvements in Version 3 (158745)
Laura Slivinski, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, Gilbert P Compo, University of Colorado at Boulder, CIRES, Boulder, CO, United States, Jeffrey Whitaker, NOAA PSL, Boulder, United States and Prashant D Sardeshmukh, CIRES, Boulder, CO, United States
Consistent surface fluxes from atmospheric and oceanic reanalyses (160184)
James Carton, University of Maryland College Park, College Park, MD, United States, Gennady A Chepurin, University of Maryland College Park, College Park, United States and Ligang Chen, University of Maryland, Atmospheric and Oceanic Sciences, College Park, United States
Creating an Eight-Member Ocean Reanalysis Ensemble for use by the Climate Modeling Community. (166771)
Judy Hertz1, Gerald L Potter2, George Britzolakis3, Tong Lee4, Laura Carriere2, Jian Li3, Yingshuo Shen3 and John L Schnase2, (1)NASA Goddard Space Flight Center, ITC, Greenbelt, MD, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)NASA Goddard Space Flight Center, CSRA, Greenbelt, MD, United States, (4)NASA Jet Propulsion Laboratory, Pasadena, CA, United States
Added value of convection-permitting reanalyses (172398)
Sabrina Wahl1,2, Jan Dominik Keller3,4, Christian Ohlwein1,5, Andreas Hense1, Petra Friederichs1 and Susanne Crewell6, (1)University of Bonn, Meteorological Institute, Bonn, Germany, (2)Hans Ertel Centre for Weather Research, Climate Monitoring and Diagnostics, Bonn, Germany, (3)Deutscher Wetterdienst, Lindenberg, Germany, (4)Hans-Ertel-Centre for Weather Research, Climate Monitoring and Diagnostics, Bonn, Germany, (5)Hans Ertel Centre for Weather Research, Climate Monitoring Branch, Bonn, Germany, (6)University of Cologne, Institute for Geophysics and Meteorology, Cologne, Germany
A Regional Reanalysis with a Coupled Soil-Vegetation-Atmosphere-Transfer Model on the Convective Scale (172777)
Clarissa Figura1, Jan Dominik Keller2, Christian Ohlwein3, Sabrina Wahl4, Clemens Simmer1 and Insa Thiele-Eich4, (1)University of Bonn, Bonn, Germany, (2)Deutscher Wetterdienst, Lindenberg, Germany, (3)Hans Ertel Centre for Weather Research, Climate Monitoring Branch, Bonn, Germany, (4)University of Bonn, Meteorological Institute, Bonn, Germany
The Atmospheric Moisture Budget over the Great Lakes: Comparing Reanalysis and CMIP5 Present-day Simulations (182384)
Allison L Steiner, University of Michigan Ann Arbor, Climate and Space Sciences and Engineering, Ann Arbor, MI, United States, Omar Gates, University of Michigan, Great Lakes Integrated Sciences + Assessments, Ann Arbor, MI, United States and Derek J Posselt, University of California, Joint Institute for Regional Earth System Science and Engineering, Los Angeles, United States
Four-dimensional variational Ocean ReAnalysis for the Western North Pacific over 30 years (FORA-WNP30) (193629)
Nariaki Hirose1, Yasushi Takatsuki2, Norihisa Usui1, Tsuyoshi Wakamatsu3, Yusuke Tanaka4, Takahiro Toyoda2, Shiro Nishikawa3, Yosuke Fujii1, Hiromichi Igarashi3, Haruka Nishikawa4, Yoichi Ishikawa3, Tsurane Kuragano1 and Masafumi Kamachi3, (1)Meteorological Research Institute, Ibaraki, Japan, (2)Meteorological Research Institute, Tsukuba, Japan, (3)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (4)Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan
Development of the NHM-LETKF regional reanalysis system assimilating conventional observations only (199284)
Shin Fukui1,2, Toshiki Iwasaki1, Kazuo K Saito3, Hiromu Seko4 and Masaru Kunii5, (1)Tohoku University, Sendai, Japan, (2)Meteorological Research Institute, Ibaraki, Japan, (3)Japan Meteorological Business Support Center, Tokyo, Japan, (4)Meteorological Research Inst., Ibaraki, Japan, (5)MRI-JMA, Ibaraki, Japan

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