ESMValTool (v1.0) – a community diagnostic and performance metrics tool for routine evaluation of Earth system models in CMIP
Veronika Eyring,Mattia Righi,Axel Lauer,Martin Evaldsson,Sabrina Wenzel,Colin Jones,Colin Jones,Alessandro Anav,Oliver Andrews,Irene Cionni,Edouard Davin,Clara Deser,Carsten Ehbrecht,Pierre Friedlingstein,Peter J. Gleckler,Klaus-Dirk Gottschaldt,Stefan Hagemann,Martin Juckes,Stephan Kindermann,John P. Krasting,Dominik Kunert,Richard C. Levine,Alexander Loew,Alexander Loew,Jarmo Mäkelä,Gill Martin,Erik Mason,Erik Mason,Adam S. Phillips,Simon Read,Catherine Rio,Romain Roehrig,Daniel Senftleben,Andreas Sterl,Lambertus H. van Ulft,Jeremy Walton,Shiyu Wang,Keith D. Williams +37 more
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TLDR
The ESMValTool is envisage running alongside the Earth System Grid Federation (ESGF) as part of a more routine evaluation of CMIP model simulations while utilizing observations available in standard formats (obs4MIPs) or provided by the user.Abstract:
. A community diagnostics and performance metrics tool for the evaluation of Earth system models (ESMs) has been developed that allows for routine comparison of single or multiple models, either against predecessor versions or against observations. The priority of the effort so far has been to target specific scientific themes focusing on selected essential climate variables (ECVs), a range of known systematic biases common to ESMs, such as coupled tropical climate variability, monsoons, Southern Ocean processes, continental dry biases, and soil hydrology–climate interactions, as well as atmospheric CO2 budgets, tropospheric and stratospheric ozone, and tropospheric aerosols. The tool is being developed in such a way that additional analyses can easily be added. A set of standard namelists for each scientific topic reproduces specific sets of diagnostics or performance metrics that have demonstrated their importance in ESM evaluation in the peer-reviewed literature. The Earth System Model Evaluation Tool (ESMValTool) is a community effort open to both users and developers encouraging open exchange of diagnostic source code and evaluation results from the Coupled Model Intercomparison Project (CMIP) ensemble. This will facilitate and improve ESM evaluation beyond the state-of-the-art and aims at supporting such activities within CMIP and at individual modelling centres. Ultimately, we envisage running the ESMValTool alongside the Earth System Grid Federation (ESGF) as part of a more routine evaluation of CMIP model simulations while utilizing observations available in standard formats (obs4MIPs) or provided by the user.read more
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Journal ArticleDOI
Overview of the Coupled Model Intercomparison Project Phase 6 (CMIP6) experimental design and organization
Veronika Eyring,Sandrine Bony,Gerald A. Meehl,Catherine A. Senior,Bjorn Stevens,Ronald J. Stouffer,Karl E. Taylor +6 more
TL;DR: In this article, the authors present the background and rationale for the new structure of CMIP, provides a detailed description of the DECK and CMIP6 historical simulations, and includes a brief introduction to the 21-CMIP6-Endorsed MIPs.
Journal ArticleDOI
Future climate risk from compound events
Jakob Zscheischler,Seth Westra,Bart van den Hurk,Bart van den Hurk,Sonia I. Seneviratne,Philip J. Ward,Andrew J. Pitman,Amir AghaKouchak,David N. Bresch,David N. Bresch,Michael Leonard,Thomas Wahl,Xuebin Zhang +12 more
TL;DR: In this article, a better understanding of compound events may improve projections of potential high-impact events, and can provide a bridge between climate scientists, engineers, social scientists, impact modellers and decision-makers.
Carbon-concentration and carbon-climate feedbacks in CMIP5 Earth system models
Vivek K. Arora,George J. Boer,Pierre Friedlingstein,Michael Eby,Chris D. Jones,James R. Christian,Gordon B. Bonan,Laurent Bopp,Victor Brovkin,Patricia Cadule,Tomohiro Hajima,Tatiana Ilyina,Keith Lindsay,Jerry Tjiputra,Tongwen Wu +14 more
TL;DR: In this paper, the magnitude and evolution of parameters that characterize feedbacks in the coupled carbon-climate system are compared across nine Earth system models (ESMs), based on results from biogeochemically, radiatively, and fully coupled simulations in which CO2 increases at a rate of 1% yr−1.
Journal ArticleDOI
A multi-decade record of high-quality fCO2 data in version 3 of the Surface Ocean CO2 Atlas (SOCAT)
Dorothee C. E. Bakker,Benjamin Pfeil,Benjamin Pfeil,Camilla S. Landa,Camilla S. Landa,Nicolas Metzl,K. O'Brien,Are Olsen,Are Olsen,K. Smith,Catherine E Cosca,S. Harasawa,Stephen D. Jones,Stephen D. Jones,Shin-Ichiro Nakaoka,Yukihiro Nojiri,Ute Schuster,Tobias Steinhoff,Colm Sweeney,Colm Sweeney,Taro Takahashi,Bronte Tilbrook,Bronte Tilbrook,Chisato Wada,Rik Wanninkhof,Simone R. Alin,Carlos F. Balestrini,Leticia Barbero,Leticia Barbero,Nicholas R. Bates,Alejandro A. Bianchi,Frédéric Bonou,Jacqueline Boutin,Yann Bozec,Eugene Burger,Wei-Jun Cai,R. D. Castle,Liqi Chen,Melissa Chierici,Kim I. Currie,Wiley Evans,Charles Featherstone,Richard A. Feely,Agneta Fransson,Catherine Goyet,Naomi Greenwood,Luke Gregor,S. Hankin,Nick J. Hardman-Mountford,Jérôme Harlay,Judith Hauck,Mario Hoppema,Matthew P. Humphreys,Christopher W. Hunt,Betty Huss,J. Severino P. Ibánhez,J. Severino P. Ibánhez,Truls Johannessen,Truls Johannessen,Ralph F. Keeling,Vassilis Kitidis,Arne Körtzinger,Alex Kozyr,Evangelia Krasakopoulou,Akira Kuwata,Peter Landschützer,Siv K. Lauvset,Nathalie Lefèvre,Claire Lo Monaco,Ansley Manke,Jeremy T. Mathis,Liliane Merlivat,Frank J. Millero,Pedro M. S. Monteiro,David R. Munro,Akihiko Murata,Timothy Newberger,Timothy Newberger,Abdirahman M Omar,Tsuneo Ono,K. Paterson,David A. Pearce,Denis Pierrot,Denis Pierrot,Lisa L. Robbins,S. Saito,Joe Salisbury,Reiner Schlitzer,Bernd Schneider,Roland Schweitzer,Rainer Sieger,Ingunn Skjelvan,Kevin F. Sullivan,Kevin F. Sullivan,Stewart C Sutherland,Adrienne J. Sutton,Kazuaki Tadokoro,Maciej Telszewski,Matthias Tuma,Steven van Heuven,Doug Vandemark,Brian Ward,Andrew J. Watson,Suqing Xu +103 more
TL;DR: This ESSD "living data" publication documents the methods and data sets used for the assembly of this new version of the SOCAT data collection and compares these with those used for earlier versions of the data collection.
Journal ArticleDOI
Taking climate model evaluation to the next level
Veronika Eyring,Veronika Eyring,Peter M. Cox,Gregory M. Flato,Peter J. Gleckler,Gab Abramowitz,Peter M. Caldwell,William D. Collins,William D. Collins,Bettina K. Gier,Bettina K. Gier,Alex Hall,Forrest M. Hoffman,Forrest M. Hoffman,George C. Hurtt,Alexandra Jahn,Chris D. Jones,Stephen A. Klein,John P. Krasting,Lester Kwiatkowski,Ruth Lorenz,Eric D. Maloney,Gerald A. Meehl,Angeline G. Pendergrass,Robert Pincus,Alex C. Ruane,Joellen L. Russell,Benjamin M. Sanderson,Benjamin D. Santer,Steven C. Sherwood,Isla R. Simpson,Ronald J. Stouffer,Mark S. Williamson +32 more
TL;DR: The authors discusses newly developed tools that facilitate a more rapid and comprehensive evaluation of model simulations with observations, process-based emergent constraints that are a promising way to focus evaluation on the observations most relevant to climate projections, and advanced methods for model weighting.
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