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  The Earth system model CLIMBER-X v1.0 - Part 1: Climate model description and validation

Willeit, M., Ganopolski, A., Robinson, A., Edwards, N. R. (2022): The Earth system model CLIMBER-X v1.0 - Part 1: Climate model description and validation. - Geoscientific Model Development, 15, 14, 5905-5948.
https://doi.org/10.5194/gmd-15-5905-2022

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 Creators:
Willeit, Matteo1, Author              
Ganopolski, Andrey1, Author              
Robinson, Alexander1, Author              
Edwards, Neil R.2, Author
Affiliations:
1Potsdam Institute for Climate Impact Research, ou_persistent13              
2External Organizations, ou_persistent22              

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 Abstract: The newly developed fast Earth system model CLIMBER-X is presented. The climate component of CLIMBER-X consists of a 2.5D semi-empirical statistical-dynamical atmosphere model, a 3D frictional-geostrophic ocean model, a dynamic-thermodynamic sea ice model and a land surface model. All model components are discretized on a regular lat-lon grid with a horizontal resolution of 5° × 5°. The model has a throughput of ~10,000 simulation years per day on a single node with 16 CPUs on a high performance computer and is designed to simulate the evolution of the Earth system on temporal scales ranging from decades to > 100,000 years. A comprehensive evaluation of the model performance for present day and the historical period shows that CLIMBER-X is capable of realistically reproducing many observed climate characteristics, with results that generally lie within the range of state-of-the-art general circulation models. The analysis of model performance is complemented by a thorough assessment of climate feedbacks and model sensitivities to changes in external forcings and boundary conditions. CLIMBER-X also includes a detailed representation of the global carbon cycle and is coupled to an ice sheet model, which will be described in separate papers. CLIMBER-X is available as open--source code and is expected to be a useful tool for studying past climate changes and for the investigation of the long-term future evolution of the climate.

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Language(s): eng - English
 Dates: 2022-07-202022-07-282022-07-28
 Publication Status: Finally published
 Pages: 44
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: PIKDOMAIN: RD1 - Earth System Analysis
Organisational keyword: RD1 - Earth System Analysis
Working Group: Long-Term Dynamics of the Earth System
Model / method: CLIMBER
Research topic keyword: Atmosphere
Research topic keyword: Oceans
Research topic keyword: Paleoclimate
MDB-ID: yes - 3424
OATYPE: Gold Open Access
DOI: 10.5194/gmd-15-5905-2022
 Degree: -

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Title: Geoscientific Model Development
Source Genre: Journal, SCI, Scopus, p3, oa
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Pages: - Volume / Issue: 15 (14) Sequence Number: - Start / End Page: 5905 - 5948 Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/journals185
Publisher: Copernicus