Taiwan Earth System Model Version 1: description and evaluation of mean state
The Taiwan Earth System Model (TaiESM) version 1 is developed based on Community Earth System Model version 1.2.2 of National Center for Atmospheric Research. Several innovative physical and chemical parameterizations, including trigger functions for deep convection, cloud macrophysics, aerosol, and...
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ftdoajarticles:oai:doaj.org/article:aef12f1fb5934530b933eb8b8fd33c82 2023-05-15T18:18:00+02:00 Taiwan Earth System Model Version 1: description and evaluation of mean state W.-L. Lee Y.-C. Wang C.-J. Shiu I. Tsai C.-Y. Tu Y.-Y. Lan J.-P. Chen H.-L. Pan H.-H. Hsu 2020-09-01T00:00:00Z https://doi.org/10.5194/gmd-13-3887-2020 https://doaj.org/article/aef12f1fb5934530b933eb8b8fd33c82 EN eng Copernicus Publications https://gmd.copernicus.org/articles/13/3887/2020/gmd-13-3887-2020.pdf https://doaj.org/toc/1991-959X https://doaj.org/toc/1991-9603 doi:10.5194/gmd-13-3887-2020 1991-959X 1991-9603 https://doaj.org/article/aef12f1fb5934530b933eb8b8fd33c82 Geoscientific Model Development, Vol 13, Pp 3887-3904 (2020) Geology QE1-996.5 article 2020 ftdoajarticles https://doi.org/10.5194/gmd-13-3887-2020 2022-12-31T12:20:26Z The Taiwan Earth System Model (TaiESM) version 1 is developed based on Community Earth System Model version 1.2.2 of National Center for Atmospheric Research. Several innovative physical and chemical parameterizations, including trigger functions for deep convection, cloud macrophysics, aerosol, and three-dimensional radiation–topography interaction, as well as a one-dimensional mixed-layer model optional for the atmosphere component, are incorporated. The precipitation variability, such as diurnal cycle and propagation of convection systems, is improved in TaiESM. TaiESM demonstrates good model stability in the 500-year preindustrial simulation in terms of the net flux at the top of the model, surface temperatures, and sea ice concentration. In the historical simulation, although the warming before 1935 is weak, TaiESM captures the increasing trend of temperature after 1950 well. The current climatology of TaiESM during 1979–2005 is evaluated by observational and reanalysis datasets. Cloud amounts are too large in TaiESM, but their cloud forcing is only slightly weaker than observational data. The mean bias of the sea surface temperature is almost 0, whereas the surface air temperatures over land and sea ice regions exhibit cold biases. The overall performance of TaiESM is above average among models in Coupled Model Intercomparison Project phase 5, particularly in that the bias of precipitation is smallest. However, several common discrepancies shared by most models still exist, such as the double Intertropical Convergence Zone bias in precipitation and warm bias over the Southern Ocean. Article in Journal/Newspaper Sea ice Southern Ocean Directory of Open Access Journals: DOAJ Articles Southern Ocean Geoscientific Model Development 13 9 3887 3904 |
institution |
Open Polar |
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Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Geology QE1-996.5 |
spellingShingle |
Geology QE1-996.5 W.-L. Lee Y.-C. Wang C.-J. Shiu I. Tsai C.-Y. Tu Y.-Y. Lan J.-P. Chen H.-L. Pan H.-H. Hsu Taiwan Earth System Model Version 1: description and evaluation of mean state |
topic_facet |
Geology QE1-996.5 |
description |
The Taiwan Earth System Model (TaiESM) version 1 is developed based on Community Earth System Model version 1.2.2 of National Center for Atmospheric Research. Several innovative physical and chemical parameterizations, including trigger functions for deep convection, cloud macrophysics, aerosol, and three-dimensional radiation–topography interaction, as well as a one-dimensional mixed-layer model optional for the atmosphere component, are incorporated. The precipitation variability, such as diurnal cycle and propagation of convection systems, is improved in TaiESM. TaiESM demonstrates good model stability in the 500-year preindustrial simulation in terms of the net flux at the top of the model, surface temperatures, and sea ice concentration. In the historical simulation, although the warming before 1935 is weak, TaiESM captures the increasing trend of temperature after 1950 well. The current climatology of TaiESM during 1979–2005 is evaluated by observational and reanalysis datasets. Cloud amounts are too large in TaiESM, but their cloud forcing is only slightly weaker than observational data. The mean bias of the sea surface temperature is almost 0, whereas the surface air temperatures over land and sea ice regions exhibit cold biases. The overall performance of TaiESM is above average among models in Coupled Model Intercomparison Project phase 5, particularly in that the bias of precipitation is smallest. However, several common discrepancies shared by most models still exist, such as the double Intertropical Convergence Zone bias in precipitation and warm bias over the Southern Ocean. |
format |
Article in Journal/Newspaper |
author |
W.-L. Lee Y.-C. Wang C.-J. Shiu I. Tsai C.-Y. Tu Y.-Y. Lan J.-P. Chen H.-L. Pan H.-H. Hsu |
author_facet |
W.-L. Lee Y.-C. Wang C.-J. Shiu I. Tsai C.-Y. Tu Y.-Y. Lan J.-P. Chen H.-L. Pan H.-H. Hsu |
author_sort |
W.-L. Lee |
title |
Taiwan Earth System Model Version 1: description and evaluation of mean state |
title_short |
Taiwan Earth System Model Version 1: description and evaluation of mean state |
title_full |
Taiwan Earth System Model Version 1: description and evaluation of mean state |
title_fullStr |
Taiwan Earth System Model Version 1: description and evaluation of mean state |
title_full_unstemmed |
Taiwan Earth System Model Version 1: description and evaluation of mean state |
title_sort |
taiwan earth system model version 1: description and evaluation of mean state |
publisher |
Copernicus Publications |
publishDate |
2020 |
url |
https://doi.org/10.5194/gmd-13-3887-2020 https://doaj.org/article/aef12f1fb5934530b933eb8b8fd33c82 |
geographic |
Southern Ocean |
geographic_facet |
Southern Ocean |
genre |
Sea ice Southern Ocean |
genre_facet |
Sea ice Southern Ocean |
op_source |
Geoscientific Model Development, Vol 13, Pp 3887-3904 (2020) |
op_relation |
https://gmd.copernicus.org/articles/13/3887/2020/gmd-13-3887-2020.pdf https://doaj.org/toc/1991-959X https://doaj.org/toc/1991-9603 doi:10.5194/gmd-13-3887-2020 1991-959X 1991-9603 https://doaj.org/article/aef12f1fb5934530b933eb8b8fd33c82 |
op_doi |
https://doi.org/10.5194/gmd-13-3887-2020 |
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Geoscientific Model Development |
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13 |
container_issue |
9 |
container_start_page |
3887 |
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3904 |
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