The Met Office Global Coupled model 2.0 (GC2) configuration
The latest coupled configuration of the Met Office Unified Model (Global Coupled configuration 2, GC2) is presented. This paper documents the model components which make up the configuration (although the scientific description of these components is detailed elsewhere) and provides a description of...
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ftdoajarticles:oai:doaj.org/article:93166d9105d543d199e90711d63a474f 2023-05-15T18:25:30+02:00 The Met Office Global Coupled model 2.0 (GC2) configuration K. D. Williams C. M. Harris A. Bodas-Salcedo J. Camp R. E. Comer D. Copsey D. Fereday T. Graham R. Hill T. Hinton P. Hyder S. Ineson G. Masato S. F. Milton M. J. Roberts D. P. Rowell C. Sanchez A. Shelly B. Sinha D. N. Walters A. West T. Woollings P. K. Xavier 2015-05-01T00:00:00Z https://doi.org/10.5194/gmd-8-1509-2015 https://doaj.org/article/93166d9105d543d199e90711d63a474f EN eng Copernicus Publications http://www.geosci-model-dev.net/8/1509/2015/gmd-8-1509-2015.pdf https://doaj.org/toc/1991-959X https://doaj.org/toc/1991-9603 1991-959X 1991-9603 doi:10.5194/gmd-8-1509-2015 https://doaj.org/article/93166d9105d543d199e90711d63a474f Geoscientific Model Development, Vol 8, Iss 5, Pp 1509-1524 (2015) Geology QE1-996.5 article 2015 ftdoajarticles https://doi.org/10.5194/gmd-8-1509-2015 2022-12-31T13:41:55Z The latest coupled configuration of the Met Office Unified Model (Global Coupled configuration 2, GC2) is presented. This paper documents the model components which make up the configuration (although the scientific description of these components is detailed elsewhere) and provides a description of the coupling between the components. The performance of GC2 in terms of its systematic errors is assessed using a variety of diagnostic techniques. The configuration is intended to be used by the Met Office and collaborating institutes across a range of timescales, with the seasonal forecast system (GloSea5) and climate projection system (HadGEM) being the initial users. In this paper GC2 is compared against the model currently used operationally in those two systems. Overall GC2 is shown to be an improvement on the configurations used currently, particularly in terms of modes of variability (e.g. mid-latitude and tropical cyclone intensities, the Madden–Julian Oscillation and El Niño Southern Oscillation). A number of outstanding errors are identified with the most significant being a considerable warm bias over the Southern Ocean and a dry precipitation bias in the Indian and West African summer monsoons. Research to address these is ongoing. Article in Journal/Newspaper Southern Ocean Directory of Open Access Journals: DOAJ Articles Southern Ocean Indian Geoscientific Model Development 8 5 1509 1524 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Geology QE1-996.5 |
spellingShingle |
Geology QE1-996.5 K. D. Williams C. M. Harris A. Bodas-Salcedo J. Camp R. E. Comer D. Copsey D. Fereday T. Graham R. Hill T. Hinton P. Hyder S. Ineson G. Masato S. F. Milton M. J. Roberts D. P. Rowell C. Sanchez A. Shelly B. Sinha D. N. Walters A. West T. Woollings P. K. Xavier The Met Office Global Coupled model 2.0 (GC2) configuration |
topic_facet |
Geology QE1-996.5 |
description |
The latest coupled configuration of the Met Office Unified Model (Global Coupled configuration 2, GC2) is presented. This paper documents the model components which make up the configuration (although the scientific description of these components is detailed elsewhere) and provides a description of the coupling between the components. The performance of GC2 in terms of its systematic errors is assessed using a variety of diagnostic techniques. The configuration is intended to be used by the Met Office and collaborating institutes across a range of timescales, with the seasonal forecast system (GloSea5) and climate projection system (HadGEM) being the initial users. In this paper GC2 is compared against the model currently used operationally in those two systems. Overall GC2 is shown to be an improvement on the configurations used currently, particularly in terms of modes of variability (e.g. mid-latitude and tropical cyclone intensities, the Madden–Julian Oscillation and El Niño Southern Oscillation). A number of outstanding errors are identified with the most significant being a considerable warm bias over the Southern Ocean and a dry precipitation bias in the Indian and West African summer monsoons. Research to address these is ongoing. |
format |
Article in Journal/Newspaper |
author |
K. D. Williams C. M. Harris A. Bodas-Salcedo J. Camp R. E. Comer D. Copsey D. Fereday T. Graham R. Hill T. Hinton P. Hyder S. Ineson G. Masato S. F. Milton M. J. Roberts D. P. Rowell C. Sanchez A. Shelly B. Sinha D. N. Walters A. West T. Woollings P. K. Xavier |
author_facet |
K. D. Williams C. M. Harris A. Bodas-Salcedo J. Camp R. E. Comer D. Copsey D. Fereday T. Graham R. Hill T. Hinton P. Hyder S. Ineson G. Masato S. F. Milton M. J. Roberts D. P. Rowell C. Sanchez A. Shelly B. Sinha D. N. Walters A. West T. Woollings P. K. Xavier |
author_sort |
K. D. Williams |
title |
The Met Office Global Coupled model 2.0 (GC2) configuration |
title_short |
The Met Office Global Coupled model 2.0 (GC2) configuration |
title_full |
The Met Office Global Coupled model 2.0 (GC2) configuration |
title_fullStr |
The Met Office Global Coupled model 2.0 (GC2) configuration |
title_full_unstemmed |
The Met Office Global Coupled model 2.0 (GC2) configuration |
title_sort |
met office global coupled model 2.0 (gc2) configuration |
publisher |
Copernicus Publications |
publishDate |
2015 |
url |
https://doi.org/10.5194/gmd-8-1509-2015 https://doaj.org/article/93166d9105d543d199e90711d63a474f |
geographic |
Southern Ocean Indian |
geographic_facet |
Southern Ocean Indian |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
op_source |
Geoscientific Model Development, Vol 8, Iss 5, Pp 1509-1524 (2015) |
op_relation |
http://www.geosci-model-dev.net/8/1509/2015/gmd-8-1509-2015.pdf https://doaj.org/toc/1991-959X https://doaj.org/toc/1991-9603 1991-959X 1991-9603 doi:10.5194/gmd-8-1509-2015 https://doaj.org/article/93166d9105d543d199e90711d63a474f |
op_doi |
https://doi.org/10.5194/gmd-8-1509-2015 |
container_title |
Geoscientific Model Development |
container_volume |
8 |
container_issue |
5 |
container_start_page |
1509 |
op_container_end_page |
1524 |
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1766207006198202368 |