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Implementation of the Community Earth System Model (CESM) version 1.2.1 as a new base model into version 2.50 of the MESSy framework

Baumgaertner, A. J. G. and Jöckel, Patrick and Kerkweg, A. and Sander, R. and Tost, H. (2016) Implementation of the Community Earth System Model (CESM) version 1.2.1 as a new base model into version 2.50 of the MESSy framework. Geoscientific Model Development, 9 (1), pp. 125-135. Copernicus Publications. DOI: [10.5194/gmd-9-125-2016] ISSN 1991-959X

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Official URL: http://www.geosci-model-dev.net/9/125/2016/

Abstract

The Community Earth System Model (CESM1), maintained by the United States National Centre for Atmospheric Research (NCAR) is connected with the Modular Earth Submodel System (MESSy). For the MESSy user community, this offers many new possibilities. The option to use the Community Atmosphere Model (CAM) atmospheric dynamical cores, especially the state-of-the-art spectral element (SE) core, as an alternative to the ECHAM5 spectral transform dynamical core will provide scientific and computational advances for atmospheric chemistry and climate modelling with MESSy. The well-established finite volume core from CESM1(CAM) is also made available. This offers the possibility to compare three different atmospheric dynamical cores within MESSy. Additionally, the CESM1 land, river, sea ice, glaciers and ocean component models can be used in CESM1/MESSy simulations, allowing the use of MESSy as a comprehensive Earth system model (ESM). For CESM1/MESSy set-ups, the MESSy process and diagnostic submodels for atmospheric physics and chemistry are used together with one of the CESM1(CAM) dynamical cores; the generic (infrastructure) submodels support the atmospheric model component. The other CESM1 component models, as well as the coupling between them, use the original CESM1 infrastructure code and libraries; moreover, in future developments these can also be replaced by the MESSy framework. Here, we describe the structure and capabilities of CESM1/MESSy, document the code changes in CESM1 and MESSy, and introduce several simulations as example applications of the system. The Supplements provide further comparisons with the ECHAM5/MESSy atmospheric chemistry (EMAC) model and document the technical aspects of the connection in detail.

Item URL in elib:https://elib.dlr.de/102341/
Document Type:Article
Title:Implementation of the Community Earth System Model (CESM) version 1.2.1 as a new base model into version 2.50 of the MESSy framework
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Baumgaertner, A. J. G.UNSPECIFIEDUNSPECIFIED
Jöckel, PatrickDLR, IPAUNSPECIFIED
Kerkweg, A.UNSPECIFIEDUNSPECIFIED
Sander, R.UNSPECIFIEDUNSPECIFIED
Tost, H.UNSPECIFIEDUNSPECIFIED
Date:19 January 2016
Journal or Publication Title:Geoscientific Model Development
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:9
DOI :[10.5194/gmd-9-125-2016]
Page Range:pp. 125-135
Publisher:Copernicus Publications
ISSN:1991-959X
Status:Published
Keywords:EMAC, CESM1, Earth System Modelling, Air Chemistry, Modular Earth Submodel System (MESSy)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Atmosphären- und Klimaforschung
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Earth System Modelling
Deposited By: Jöckel, Dr. Patrick
Deposited On:25 Jan 2016 09:30
Last Modified:02 May 2019 14:14

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