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The Canadian Earth System Model version 5 (CanESM5.0.3)

Open access
Swart, Neil C., Cole, Jason N. S., Kharin, Viatcheslav V., Lazare, Mike, Scinocca, John F., Gillett, Nathan P., Anstey, James, Arora, Vivek, Christian, James R., Hanna, Sarah, Jiao, Yanjun, Lee, Warren G., Majaess, Fouad, Saenko, Oleg A., Seiler, Christian, Seinen, Clint, Shao, Andrew, Sigmond, Michael, Solheim, Larry, von Salzen, Knut, Yang, Duo, Winter, Barbara·2019·Geoscientific Model Development

Abstract

Abstract. The Canadian Earth System Model version 5 (CanESM5) is a global model developed to simulate historical climate change and variability, to make centennial-scale projections of future climate, and to produce initialized seasonal and decadal predictions. This paper describes the model components and their coupling, as well as various aspects of model development, including tuning, optimization, and a reproducibility strategy. We also document the stability of the model using a long control simulation, quantify the model's ability to reproduce large-scale features of the historical climate, and evaluate the response of the model to external forcing. CanESM5 is comprised of three-dimensional atmosphere (T63 spectral resolution equivalent roughly to 2.8∘) and ocean (nominally 1∘) general circulation models, a sea-ice model, a land surface scheme, and explicit land and ocean carbon cycle models. The model features relatively coarse resolution and high throughput, which facilitates the production of large ensembles. CanESM5 has a notably higher equilibrium climate sensitivity (5.6 K) than its predecessor, CanESM2 (3.7 K), which we briefly discuss, along with simulated changes over the historical period. CanESM5 simulations contribute to the Coupled Model Intercomparison Project phase 6 (CMIP6) and will be employed for climate science and service applications in Canada.

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Metadata

Authors
Swart, N. C., Cole, J. N. S., Kharin, V. V., Lazare, M., Scinocca, J. F., Gillett, N. P., Anstey, J., Arora, V., Christian, J. R., Hanna, S., Jiao, Y., Lee, W. G., Majaess, F., Saenko, O. A., Seiler, C., Seinen, C., Shao, A., Sigmond, M., Solheim, L., von Salzen, K., Yang, D., & Winter, B.
Venue
Geoscientific Model Development
Published
2019-11-25
Volume
12
Issue
11
Pages
4823-4873
ISSN
  • 1991-959X (ISSN-L)
  • 1991-9603
OpenAlex
W2962764966
Cited by
1,386
References
4
FWCI
64.53
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: The Canadian Earth System Model version 5 (CanESM5.0.3). https://app.cochat.ai/papers/10.5194/gmd-12-4823-2019
The paper
Swart, N. C., Cole, J. N. S., Kharin, V. V., Lazare, M., Scinocca, J. F., Gillett, N. P., Anstey, J., Arora, V., Christian, J. R., Hanna, S., Jiao, Y., Lee, W. G., Majaess, F., Saenko, O. A., Seiler, C., Seinen, C., Shao, A., Sigmond, M., Solheim, L., . . . Winter, B. (2019). The Canadian Earth System Model version 5 (CanESM5.0.3). Geoscientific Model Development. https://doi.org/10.5194/gmd-12-4823-2019

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.