A13C:
Evaluating Reanalysis: What Can We Learn about Past Weather and Climate? III Posters


Session ID#: 8141

Session Description:
Reanalysis is a scientific method for producing a physically complete estimation of the past state and variability of geophysical systems (e.g., atmosphere, 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 reanalyses to independent observations. In this light, organized efforts such as the SPARC Reanalysis Intercomparison Project (S-RIP) and the EU-funded project UERRA have started to systematically evaluate reanalysis products. The session welcomes contributions on the evaluation and intercomparison of reanalyses, including global, regional, atmospheric, ocean, and coupled reanalyses. In particular, intercomparison of multiple reanalyses and comparisons with independent (non-assimilated) data are encouraged.
Primary Convener:  Jan Dominik Keller, Deutscher Wetterdienst, Lindenberg, Germany
Conveners:  Sean M Davis, NOAA Boulder, Chemical Sciences Laboratory, Boulder, CO, United States, James A Renwick, Victoria University of Wellington, Wellington, New Zealand and David H Bromwich, Byrd Polar & Climate Rsrch Ctr, Columbus, OH, United States
Chairs:  Christian Ohlwein, University of Bonn, Meteorological Institute, Bonn, Germany, David H Bromwich, Byrd Polar & Climate Rsrch Ctr, Columbus, OH, United States and Sean M Davis, NOAA Boulder, Chemical Sciences Laboratory, Boulder, CO, United States
OSPA Liaison:  Jan Dominik Keller, Deutscher Wetterdienst, Lindenberg, Germany

Cross-Listed:
  • GC - Global Environmental Change
  • H - Hydrology
  • NG - Nonlinear Geophysics
  • OS - Ocean Sciences
Index Terms:

1610 Atmosphere [GLOBAL CHANGE]
1616 Climate variability [GLOBAL CHANGE]
1620 Climate dynamics [GLOBAL CHANGE]
1635 Oceans [GLOBAL CHANGE]

Abstracts Submitted to this Session:

Global Temperature Response to the Major Volcanic Eruptions in Multiple Reanalysis Datasets (59065)
Masatomo Fujiwara, Hokkaido University, Faculty of Environmental Earth Science, Sapporo, Japan, Takashi Hibino, Hokkaido University, Sapporo, Japan, Sanjay K Mehta, SRM University, Chennai, India, Lesley J Gray, Oxford University, Department of Physics, AOPP, Oxford, United Kingdom, Dann Mitchell, University of Bristol, School of Geographical Sciences, Bristol, United Kingdom and James Anstey, Oxford University, Oxford, United Kingdom
Different Long-term Trends of Extra-tropical Cyclones and Windstorms in ERA-20C and NOAA-20CR Reanalyses (61885)
Daniel Johannes Befort1, Simon Wild2, Tim Kruschke3, Uwe Ulbrich4 and Gregor C Leckebusch1, (1)University of Birmingham, School of Geography, Earth and Environmental Sciences, Birmingham, B15, United Kingdom, (2)University of Birmingham, Birmingham, B15, United Kingdom, (3)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (4)Free University of Berlin, Institute of Meteorology, Berlin, Germany
Land Surface Water and Energy Estimates in the Global MERRA-2 Reanalysis (63435)
Rolf H Reichle, NASA Goddard Space Flight Center, Greenbelt, United States, Clara Draper, NOAA PSL, Boulder, United States, Qing Liu, GMAO, building 33, Greenbelt, United States, Randal D Koster, NASA Goddard Space Flight Center, Global Modeling and Assimilation Office, Greenbelt, United States, Sarith P P Mahanama, NASA/GSFC, Greenbelt, MD, United States, Gabrielle J.M. De Lannoy, NASA Goddard Space Flight Center, Greenbelt, MD, United States and Manuela Girotto, University of California Berkeley, Department of Environmental Science, Policy, and Management, Berkeley, CA, United States
Google [x] Project Loon Measurements of Stratospheric Temperature, Pressure and Wind as a Data Source for Reanalyses over Southern High Latitudes (65510)
Jared Lewis1, Gregory E Bodeker2, Adrian McDonald3, Kathleen Cooper4, Alexander Schwertheim2 and Leon Friedrich3, (1)University of Melbourne, Parkville, Australia, (2)Bodeker Scientific, Alexandra, New Zealand, (3)University of Canterbury, Christchurch, New Zealand, (4)Google [x], Mountain View, CA, United States
The realization of polar specific humidity inversions and surface processes in reanalyses (65534)
Michael Brunke1, Steve T Stegall2 and Xubin Zeng1, (1)University of Arizona, Department of Hydrology and Atmospheric Sciences, Tucson, AZ, United States, (2)Cooperative Institute for Climate and Satellite, North Carolina State, Asheville, NC, United States
Evaluation of ozone fields in NASA’s MERRA-2 reanalysis (66462)
Krzysztof Wargan1, Gordon J Labow2, Stacey M Frith3, Gary S Partyka3, Lawrence Coy3 and Steven Pawson4, (1)Science Systems and Applications, Inc., Lanham, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)Science Systems and Applications, Inc., Lanham, MD, United States, (4)NASA Goddard Space Flight Center, Global Modeling and Assimilation Office, Greenbelt, United States
Long-term changes in the relationship between stratospheric circulation and East Asian Winter Monsoon (66876)
Ke Wei, Institute of Atmospheric Physics, Beijing, China
Structure and Dynamics of the Quasi-Biennial Oscillation in Re-Analysis Systems (67322)
Lawrence Coy, Science Systems and Applications, Inc., Lanham, MD, United States
Unusual Features of the Planetary Wave Predominance of Zonal Wavenumber Two in the Boreal Winter 2013/2014 (68762)
Toshihiko Hirooka, Kyushu University, Department of Earth and Planetary Sciences, Fukuoka, Japan and Yayoi Harada, Meteorological Research Institute / Japan Meteorological Agency, Tsukuba, Ibaraki, Japan
Intercomparison of atmospheric reanalysis data in the Arctic region: To derive site-specific forcing data for terrestrial models (68974)
Junko Mori1, Kazuyuki Saito2, Hirokazu Machiya1,2, Hironori Yabuki3, Hiroki Ikawa4, Takeshi Ohta5, Yoshihiro Iijima2, Ayumi Kotani5, Rikie Suzuki6, Shin Miyazaki7, Atsushi Sato1, Tomohiro Hajima8 and Tetsuo Sueyoshi1, (1)NIPR National Institute of Polar Research, Tokyo, Japan, (2)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (3)Japan Agency for Marine-Earth Science and Technology, Yokohama-city, Japan, (4)Hokkaido Agricultural Research Center, Sapporo, Japan, (5)Nagoya University, Graduate School of Bioagricultural Sciences, Nagoya, Japan, (6)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Department of Environmental Geochemical Cycle Research, Kanagawa, Japan, (7)Sonic Corporation, Tachikawa, Japan, (8)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Research Center for Environmental Modeling and Application, Yokohama, Japan
Atmospheric Processes Influencing Surface Temperature over Greenland from the MERRA-2 Reanalysis (69333)
Andrea Molod, Global Modeling and Assimilation Office, NASA GSFC, Greenbelt, United States
Making Reanalysis Intercomparison Easy: Using the New Collaborative REAnalysis Technical Environment (CREATE) to Wrangle Reanalysis Data (70926)
Gerald L Potter1, Laura Carriere2, Michael G Bosilovich3, Judy Hertz1, Denis Nadeau4 and Mark McInerney5, (1)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (2)NCCS, NASA Goddard, Greenbelt, MD, United States, (3)Earth Sciences Division, Greenbelt, United States, (4)Lawrence Livermore National Laboratory, Livermore, CA, United States, (5)NASA Goddard, Greenbelt, MD, United States
The role of atmospheric synoptic conditions in the Beaufort and Chukchi seasonal ice zone (71018)
Zheng Liu, University of Washington Seattle Campus, Seattle, WA, United States and Axel J B Schweiger, Applied Physics Laboratory University of Washington, Polar Science Center, Seattle, WA, United States
Evaluation and inter-comparison of modern day reanalysis datasets over Africa and the Middle East (75075)
Kristi R Arsenault, NASA Goddard Space Flight Center, Hydrologic Sciences Laboratory, Greenbelt, MD, United States; SAIC, Greenbelt, United States, Shraddhanand Shukla, University of California Santa Barbara, Climate Hazards Center, Santa Barbara, CA, United States, Mike Hobbins, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, Christa D Peters-Lidard, NASA Goddard Space Flight Center, Greenbelt, MD, United States and James P Verdin, USGS/EROS, Boulder, CO, United States
Southern Ocean Blocking: A comparison of reanalyses (75939)
James A Renwick, Victoria University of Wellington, Wellington, New Zealand, Seth Seidel, University of California, Davis, Davis, CA, United States, Simon Parsons, University of Canterbury, Physics, Christchurch, New Zealand and Adrian McDonald, University of Canterbury, Christchurch, New Zealand
Pushing the Regional Arctic System Reanalysis to Higher Resolution: A comparison with the global ERA-Interim Reanalysis for the Arctic and Beyond (76081)
Aaron Wilson1, David H Bromwich2, Lesheng Bai3, Kent Moore4, Ying-Hwa Kuo5, Zhiquan Liu6, Hui-Chuan Lin6 and Michael J Barlage7, (1)The Ohio State University, Byrd Polar and Climate Research Center, Columbus, United States, (2)Byrd Polar & Climate Rsrch Ctr, Columbus, OH, United States, (3)Byrd Polar and Climate Research Center - BPCRC, Columbus, OH, United States, (4)University of Toronto, Toronto, ON, Canada, (5)University Corporation for Atmospheric Research, Boulder, CO, United States, (6)National Center for Atmospheric Research, Mesoscale & Microscale Meteorology Division, Boulder, CO, United States, (7)NCAR/RAL, Boulder, United States
Trends in the Frequency of High Relative Humidity over China: 1979 to 2012 (77793)
Rui Mao, BNU Beijing Normal University, Beijing, China
Assessment of Precipitation Trends over Europe by Comparing ERA-20C with a New Homogenized Observational GPCC Dataset (79020)
Elke Rustemeier1, Markus Ziese2, Anja Meyer-Christoffer1, Peter Finger1, Udo Schneider1 and Andreas Becker2, (1)Deutscher Wetterdienst, Hydrometeorology, Offenbach, Germany, (2)Deutscher Wetterdienst (DWD), Offenbach am Main, Germany
Validation of MERRA and ERA-Interim Snow Depth Quantities in Eurasia (80075)
Daniel J. Vecellio1, Oliver W Frauenfeld2, Xiaoqing Peng3, Xinyue Zhong3 and Tingjun Zhang4, (1)George Mason University Fairfax, Virginia Climate Center, Fairfax, United States, (2)Texas A&M University, College Station, TX, United States, (3)LZU Lanzhou University, Key Laboratory of Western China's Environmental Systems（Ministry of Education), College of Earth and Environment Sciences, Lanzhou, China, (4)Lanzhou University, Lanzhou, China
Reanalysis water vapor and ozone intercomparison as part of the SPARC Reanalysis Intercomparison Project (S-RIP) (80285)
Birgit Hassler, NOAA Boulder, Boulder, CO, United States, Sean M Davis, NOAA Boulder, Chemical Sciences Laboratory, Boulder, CO, United States, Masatomo Fujiwara, Hokkaido University, Faculty of Environmental Earth Science, Sapporo, Japan, Michaela Imelda Hegglin, University of Reading, Reading, RG6, United Kingdom and Tao Wang, Texas A & M University, College Station, United States
Downscaling of reanalysis precipitation data using the analog ensemble method for global and regional reanalysis (81001)
Jan Dominik Keller1, Luca Delle Monache2 and Stefano Alessandrini2, (1)Deutscher Wetterdienst, Lindenberg, Germany, (2)National Center for Atmospheric Research, Boulder, CO, United States
A high-resolution regional reanalysis for Europe (81759)
Christian Ohlwein, University of Bonn, Meteorological Institute, Bonn, Germany
Summer Climate Responses to Atmospheric Teleconnections and Greenland Ice Mass Variations in the Last Four Decades from the MERRA-2 Reanalysis (82037)
Young-Kwon Lim1, Siegfried D Schubert2, Sophie Nowicki2, Jae N. Lee3, Andrea Molod4, Richard I Cullather5, Bin Zhao2 and Isabella Velicogna6, (1)NASA Goddard Space Flight Center, Global Modeling and Assimilation Office, Greenbelt, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)University of Maryland Baltimore County/NASA Goddard Space Flight Center, Greenbelt, MD, United States, (4)Global Modeling and Assimilation Office, NASA GSFC, Greenbelt, United States, (5)University of Maryland College Park, Earth System Science Interdisciplinary Center, College Park, United States, (6)University of California Irvine, Irvine, CA, United States
Arctic Precipitation Analysis from the Arctic System Reanalysis (ASR): 2000-2012 (82381)
Tomoko Koyama and Julienne Christine Stroeve, University of Colorado at Boulder, Boulder, CO, United States
A comparison of ATTREX H2O observations in the TTL with values derived from reanalysis-based back trajectories (86171)
Troy D Thornberry1, Andrew W Rollins1, Thaopaul V Bui2, Leonhard Pfister2 and Ru-Shan Gao3, (1)NOAA Chemical Sciences Laboratory, Boulder, United States, (2)NASA Ames Research Center, Moffett Field, CA, United States, (3)NOAA Boulder, Boulder, CO, United States
Surface Solar Radiation in North America: Observations, Reanalyses, Satellite and Derived Products (86570)
Andrew G Slater, National Snow and Ice Data Center, Boulder, CO, United States

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