Journal cover Journal topic
Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
Geosci. Model Dev., 9, 3231-3296, 2016
http://www.geosci-model-dev.net/9/3231/2016/
doi:10.5194/gmd-9-3231-2016
© Author(s) 2016. This work is distributed
under the Creative Commons Attribution 3.0 License.
Methods for assessment of models
19 Sep 2016
OMIP contribution to CMIP6: experimental and diagnostic protocol for the physical component of the Ocean Model Intercomparison Project
Stephen M. Griffies1, Gokhan Danabasoglu2, Paul J. Durack3, Alistair J. Adcroft1, V. Balaji1, Claus W. Böning4, Eric P. Chassignet5, Enrique Curchitser6, Julie Deshayes7, Helge Drange8, Baylor Fox-Kemper9, Peter J. Gleckler3, Jonathan M. Gregory10, Helmuth Haak11, Robert W. Hallberg1, Patrick Heimbach12, Helene T. Hewitt13, David M. Holland14, Tatiana Ilyina11, Johann H. Jungclaus11, Yoshiki Komuro15, John P. Krasting1, William G. Large2, Simon J. Marsland16, Simona Masina17, Trevor J. McDougall18, A. J. George Nurser19, James C. Orr20, Anna Pirani21, Fangli Qiao22, Ronald J. Stouffer1, Karl E. Taylor3, Anne Marie Treguier23, Hiroyuki Tsujino24, Petteri Uotila25, Maria Valdivieso26, Qiang Wang27, Michael Winton1, and Stephen G. Yeager2 1NOAA Geophysical Fluid Dynamics Laboratory, Princeton, New Jersey, USA
2National Center for Atmospheric Research, Boulder, Colorado, USA
3Program for Climate Model Diagnosis and Intercomparison, Lawrence Livermore National Laboratory, Livermore, California, USA
4GEOMAR Helmholtz Centre for Ocean Research Kiel, Germany
5Center for Ocean-Atmospheric Prediction Studies (COAPS), Florida State University, Tallahassee, Florida, USA
6Rutgers University, New Brunswick, New Jersey, USA
7Sorbonne Universités (UPMC, Univ Paris 06-CNRS-IRD-MNHN), LOCEAN Laboratory, Paris, France
8Geophysical Institute, University of Bergen, Norway
9Department of Earth, Environmental, and Planetary Sciences (DEEPS), Brown University, USA
10Met Office Hadley Centre and University of Reading, UK
11Max Planck Institute for Meteorology Bundesstrasse 53, 20146 Hamburg, Germany
12Institute for Computational Engineering and Science and Jackson School of Geosciences, The University of Texas at Austin, Austin, Texas, USA
13Met Office Hadley Centre, Exeter, UK
14New York University, New York, USA
15Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan
16CSIRO Oceans and Atmosphere, Aspendale, Victoria, Australia
17Centro Euromediterraneo sui Cambiamenti Climatici, and Istituto Nazionale di Geofisica e Vulcanologia, Bologna, Italy
18University of New South Wales, Sydney, Australia
19National Oceanography Centre Southampton (NOCS), Southampton, UK
20IPSL/LSCE, UMR8212, CNRS-CEA-UVSQ, Gif-sur-Yvette, France
21Université Paris Saclay, France, and Abdus Salam Institute for Theoretical Physics, Trieste, Italy
22First Institute of Oceanography, State Oceanic Administration, Qingdao, China
23Laboratoire d'Oceanographie Physique et Spatiale, Ifremer, Plouzane, France
24Meteorological Research Institute (MRI), Japan Meteorological Agency, Tsukuba, Japan
25Finnish Meteorological Institute, Helsinki, Finland
26University of Reading, Reading, UK
27Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), Bremerhaven, Germany
Abstract. The Ocean Model Intercomparison Project (OMIP) is an endorsed project in the Coupled Model Intercomparison Project Phase 6 (CMIP6). OMIP addresses CMIP6 science questions, investigating the origins and consequences of systematic model biases. It does so by providing a framework for evaluating (including assessment of systematic biases), understanding, and improving ocean, sea-ice, tracer, and biogeochemical components of climate and earth system models contributing to CMIP6. Among the WCRP Grand Challenges in climate science (GCs), OMIP primarily contributes to the regional sea level change and near-term (climate/decadal) prediction GCs.

OMIP provides (a) an experimental protocol for global ocean/sea-ice models run with a prescribed atmospheric forcing; and (b) a protocol for ocean diagnostics to be saved as part of CMIP6. We focus here on the physical component of OMIP, with a companion paper (Orr et al., 2016) detailing methods for the inert chemistry and interactive biogeochemistry. The physical portion of the OMIP experimental protocol follows the interannual Coordinated Ocean-ice Reference Experiments (CORE-II). Since 2009, CORE-I (Normal Year Forcing) and CORE-II (Interannual Forcing) have become the standard methods to evaluate global ocean/sea-ice simulations and to examine mechanisms for forced ocean climate variability. The OMIP diagnostic protocol is relevant for any ocean model component of CMIP6, including the DECK (Diagnostic, Evaluation and Characterization of Klima experiments), historical simulations, FAFMIP (Flux Anomaly Forced MIP), C4MIP (Coupled Carbon Cycle Climate MIP), DAMIP (Detection and Attribution MIP), DCPP (Decadal Climate Prediction Project), ScenarioMIP, HighResMIP (High Resolution MIP), as well as the ocean/sea-ice OMIP simulations.


Citation: Griffies, S. M., Danabasoglu, G., Durack, P. J., Adcroft, A. J., Balaji, V., Böning, C. W., Chassignet, E. P., Curchitser, E., Deshayes, J., Drange, H., Fox-Kemper, B., Gleckler, P. J., Gregory, J. M., Haak, H., Hallberg, R. W., Heimbach, P., Hewitt, H. T., Holland, D. M., Ilyina, T., Jungclaus, J. H., Komuro, Y., Krasting, J. P., Large, W. G., Marsland, S. J., Masina, S., McDougall, T. J., Nurser, A. J. G., Orr, J. C., Pirani, A., Qiao, F., Stouffer, R. J., Taylor, K. E., Treguier, A. M., Tsujino, H., Uotila, P., Valdivieso, M., Wang, Q., Winton, M., and Yeager, S. G.: OMIP contribution to CMIP6: experimental and diagnostic protocol for the physical component of the Ocean Model Intercomparison Project, Geosci. Model Dev., 9, 3231-3296, doi:10.5194/gmd-9-3231-2016, 2016.
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The Ocean Model Intercomparison Project (OMIP) aims to provide a framework for evaluating, understanding, and improving the ocean and sea-ice components of global climate and earth system models contributing to the Coupled Model Intercomparison Project Phase 6 (CMIP6). This document defines OMIP and details a protocol both for simulating global ocean/sea-ice models and for analysing their output.
The Ocean Model Intercomparison Project (OMIP) aims to provide a framework for evaluating,...
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