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Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
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Preprints
https://doi.org/10.5194/gmd-2019-373
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-2019-373
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

  21 Feb 2020

21 Feb 2020

Review status
A revised version of this preprint was accepted for the journal GMD and is expected to appear here in due course.

Evaluation of the University of Victoria Earth System Climate Model version 2.10 (UVic ESCM 2.10)

Nadine Mengis1,2, David P. Keller1, Andrew MacDougall3, Michael Eby4, Nesha Wright2, Katrin J. Meissner5, Andreas Oschlies1, Andreas Schmittner6, H. Damon Matthews7, and Kirsten Zickfeld2 Nadine Mengis et al.
  • 1Biogeochemical Modelling Department, GEOMAR – Helmholtz Centre for Ocean Research, Kiel, Germany
  • 2Geography Department, Simon Fraser University, Burnaby, BC, Canada
  • 3Climate and Environment, St. Francis Xavier University, Antigonish, NS, Canada
  • 4School of Earth and Ocean Sciences, University of Victoria, Victoria, BC, Canada
  • 5Climate Change Research Centre, The University of New South Wales, Sydney, New South Wales, Australia and The Australian Research Council Centre of Excellence for Climate Extremes, Sydney, New South Wales, Australia
  • 6College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR, USA
  • 7Concordia University, Montréal, Canada

Abstract. The University of Victoria Earth system climate model of intermediate complexity has been a useful tool in recent assessments of long-term climate changes including paleo-climate modelling. Since the last official release of the UVic ESCM 2.9, and the two official updates during the last decade, a lot of model development has taken place in multiple groups. The new version 2.10 of the University of Victoria Earth System Climate Model (UVic ESCM), to be used in the 6th phase of the coupled model intercomparison project (CMIP6), presented here combines and brings together multiple model developments and new components that have taken place since the last official release of the model. To set the foundation of its use, we here describe the UVic ESCM 2.10 and evaluate results from transient historical simulations against observational data. We find that the UVic ESCM 2.10 is capable of reproducing well changes in historical temperature and carbon fluxes, as well as the spatial distribution of many ocean tracers, including temperature, salinity, phosphate and nitrate. This is connected to a good representation of ocean physical properties. For the moment, there remain biases in ocean alkalinity and dissolved inorganic carbon, which will be addressed in the next updates to the model.

Nadine Mengis et al.

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Interactive discussion

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Status: closed
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Nadine Mengis et al.

Nadine Mengis et al.

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Short summary
In this manuscript we evaluate the newest version of the University of Victoria Earth System Climate Model (UVic ESCM 2.10). Combining recent model developments as a joint effort, this version is to be used the next phase of model inter-comparison and climate change studies. The UVic ESCM 2.10 is capable of reproducing well changes in historical temperature and carbon fluxes, as well as the distribution of many ocean tracers.
In this manuscript we evaluate the newest version of the University of Victoria Earth System...
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