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Earth System Model Evaluation Tool (ESMValTool) v2.0 - technical overview

Righi, Mattia and Andela, Bouwe and Eyring, Veronika and Lauer, Axel and Predoi, Valeriu and Schlund, Manuel and Vegas-Regidor, Javier and Bock, Lisa and Brötz, Björn and de Mora, Lee and Diblen, Faruk and Dreyer, Laura and Drost, Niels and Earnshaw, Paul and Hassler, Birgit and Koldunov, Nikolay and Little, Bill and Loosveldt Tomas, Saskia and Zimmermann, Klaus (2020) Earth System Model Evaluation Tool (ESMValTool) v2.0 - technical overview. Geoscientific Model Development, 13 (3), pp. 1179-1199. Copernicus Publications. doi: 10.5194/gmd-13-1179-2020. ISSN 1991-959X.

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Official URL: http://dx.doi.org/10.5194/gmd-13-1179-2020


This paper describes the second major release of the Earth System Model Evaluation Tool (ESMValTool), a community diagnostic and performance metrics tool for the evaluation of Earth system models (ESMs) participating in the Coupled Model Intercomparison Project (CMIP). Compared to version 1.0, released in 2016, ESMValTool version 2.0 (v2.0) features a brand new design, with an improved interface and a revised preprocessor. It also Features a significantly enhanced diagnostic part that is described in three companion papers. The new version of ESMValTool has been specifically developed to target the increased data volume of CMIP Phase 6 (CMIP6) and the related challenges posed by the analysis and the evaluation of Output from multiple high-resolution or complex ESMs. The new version takes advantage of state-of-the-art computational libraries and methods to deploy an efficient and user-friendly data processing. Common operations on the input data (such as regridding or computation of multi-model statistics) are centralized in a highly optimized preprocessor, which allows applying a series of preprocessing functions before diagnostics scripts are applied for in-depth scientific analysis of the model output. Performance tests conducted on a set of standard diagnostics show that the new version is faster than ist predecessor by about a factor of 3. The performance can be further improved, up to a factor of more than 30, when the newly introduced task-based parallelization options are used, which enable the efficient exploitation of much larger computing infrastructures. ESMValTool v2.0 also includes a revised and simplified installation procedure, the setting of user-configurable options based on modern language formats, and high code quality standards following the best practices for software development.

Item URL in elib:https://elib.dlr.de/134580/
Document Type:Article
Title:Earth System Model Evaluation Tool (ESMValTool) v2.0 - technical overview
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Righi, MattiaDLR, IPAhttps://orcid.org/0000-0003-3827-5950
Andela, BouweNetherlands eScience Center, Amsterdam, NiederlandeUNSPECIFIED
Eyring, VeronikaDLR, IPAhttps://orcid.org/0000-0002-6887-4885
Lauer, AxelDLR, IPAhttps://orcid.org/0000-0002-9270-1044
Predoi, ValeriuUniv. Reading, UKUNSPECIFIED
Schlund, ManuelDLR, IPAhttps://orcid.org/0000-0001-5251-0158
Vegas-Regidor, JavierBarcelona Supercomputing Center, Barcelona, SpanienUNSPECIFIED
Bock, LisaDLR, IPAhttps://orcid.org/0000-0001-7058-5938
de Mora, LeePlymouth Marine Laboratory, Plymouth, UKUNSPECIFIED
Diblen, FarukNetherlands eScience Center, Amsterdam, NiederlandeUNSPECIFIED
Dreyer, LauraMetOffice, Exeter, UKUNSPECIFIED
Drost, NielsNetherlands eScience Center, Amsterdam, NiederlandeUNSPECIFIED
Earnshaw, PaulMetOffice, Exeter, UKUNSPECIFIED
Koldunov, NikolayAWI, BremerhavenUNSPECIFIED
Little, BillMetOffice, Exeter, UKUNSPECIFIED
Loosveldt Tomas, SaskiaBarcelona Supercomputing Center, Barcelona, SpanienUNSPECIFIED
Zimmermann, KlausSMHI, Norrköping, SchwedenUNSPECIFIED
Date:16 March 2020
Journal or Publication Title:Geoscientific Model Development
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In ISI Web of Science:Yes
DOI :10.5194/gmd-13-1179-2020
Page Range:pp. 1179-1199
Publisher:Copernicus Publications
Keywords:CMIP, Evaluation, Earth System Modelling
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:other
DLR - Research area:Raumfahrt
DLR - Program:R - no assignment
DLR - Research theme (Project):R - no assignment
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics
Institute of Atmospheric Physics > Earth System Model Evaluation and Analysis
Deposited By: Righi, Dr. Mattia
Deposited On:07 Apr 2020 10:29
Last Modified:07 Apr 2020 10:29

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