Improvements in the Canadian Earth System Model (CanESM) through systematic model analysis: CanESM5.0 and CanESM5.1
<p>The Canadian Earth System Model version 5.0 (CanESM5.0), the most recent major version of the global climate model developed at the Canadian Centre for Climate Modelling and Analysis (CCCma) at Environment and Climate Change Canada (ECCC), has been used extensively in climate research and f...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Copernicus Publications
2023-11-01
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| Series: | Geoscientific Model Development |
| Online Access: | https://gmd.copernicus.org/articles/16/6553/2023/gmd-16-6553-2023.pdf |
| _version_ | 1797627683959472128 |
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| author | M. Sigmond J. Anstey V. Arora R. Digby R. Digby N. Gillett V. Kharin W. Merryfield C. Reader J. Scinocca N. Swart J. Virgin J. Virgin C. Abraham J. Cole N. Lambert W.-S. Lee Y. Liang Y. Liang E. Malinina L. Rieger K. von Salzen C. Seiler C. Seinen A. Shao R. Sospedra-Alfonso L. Wang D. Yang |
| author_facet | M. Sigmond J. Anstey V. Arora R. Digby R. Digby N. Gillett V. Kharin W. Merryfield C. Reader J. Scinocca N. Swart J. Virgin J. Virgin C. Abraham J. Cole N. Lambert W.-S. Lee Y. Liang Y. Liang E. Malinina L. Rieger K. von Salzen C. Seiler C. Seinen A. Shao R. Sospedra-Alfonso L. Wang D. Yang |
| author_sort | M. Sigmond |
| collection | DOAJ |
| description | <p>The Canadian Earth System Model version 5.0 (CanESM5.0), the most recent major version of the global climate model developed at the Canadian Centre for Climate Modelling and Analysis (CCCma) at Environment and Climate Change Canada (ECCC), has been used extensively in climate research and for providing future climate projections in the context of climate services. Previous studies have shown that CanESM5.0 performs well compared to other models and have revealed several model biases. To address these biases, the CCCma has recently initiated the “Analysis for Development” (A4D) activity, a coordinated analysis activity in support of CanESM development. Here we describe the goals and organization of this effort and introduce two variants (“p1” and “p2”) of a new CanESM version, CanESM5.1, which features important improvements as a result of the A4D activity. These improvements include the elimination of spurious stratospheric temperature spikes and an improved simulation of tropospheric dust. Other climate aspects of the p1 variant of CanESM5.1 are similar to those of CanESM5.0, while the p2 variant of CanESM5.1 features reduced equilibrium climate sensitivity and improved El Niño–Southern Oscillation (ENSO) variability as a result of intentional tuning of the atmospheric component. The A4D activity has also led to the improved understanding of other notable CanESM5.0 and CanESM5.1 biases, including the overestimation of North Atlantic sea ice, a cold bias over sea ice, biases in the stratospheric circulation and a cold bias over the Himalayas. It provides a potential framework for the broader climate community to contribute to CanESM development, which will facilitate further model improvements and ultimately lead to improved climate change information.</p> |
| first_indexed | 2024-03-11T10:27:53Z |
| format | Article |
| id | doaj.art-aa09130a791e4fa89aab961498aff592 |
| institution | Directory Open Access Journal |
| issn | 1991-959X 1991-9603 |
| language | English |
| last_indexed | 2024-03-11T10:27:53Z |
| publishDate | 2023-11-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Geoscientific Model Development |
| spelling | doaj.art-aa09130a791e4fa89aab961498aff5922023-11-15T08:53:11ZengCopernicus PublicationsGeoscientific Model Development1991-959X1991-96032023-11-01166553659110.5194/gmd-16-6553-2023Improvements in the Canadian Earth System Model (CanESM) through systematic model analysis: CanESM5.0 and CanESM5.1M. Sigmond0J. Anstey1V. Arora2R. Digby3R. Digby4N. Gillett5V. Kharin6W. Merryfield7C. Reader8J. Scinocca9N. Swart10J. Virgin11J. Virgin12C. Abraham13J. Cole14N. Lambert15W.-S. Lee16Y. Liang17Y. Liang18E. Malinina19L. Rieger20K. von Salzen21C. Seiler22C. Seinen23A. Shao24R. Sospedra-Alfonso25L. Wang26D. Yang27Canadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaSchool of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaDepartment of Geography and Environmental Management, University of Waterloo, Waterloo, Ontario, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaSchool of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaInstitute of Space and Atmospheric Studies, University of Saskatchewan, Saskatoon, Saskatchewan, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaSchool of Environmental Studies, Queen's University, Kingston, Ontario, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaHewlett Packard Enterprise Canada, At-Scale Engineering, Victoria, British Columbia, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, CanadaClimate Processes Section, Climate Research Division, Environment and Climate Change Canada, Toronto, Ontario, CanadaCanadian Centre for Climate Modelling and Analysis, Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, Canada<p>The Canadian Earth System Model version 5.0 (CanESM5.0), the most recent major version of the global climate model developed at the Canadian Centre for Climate Modelling and Analysis (CCCma) at Environment and Climate Change Canada (ECCC), has been used extensively in climate research and for providing future climate projections in the context of climate services. Previous studies have shown that CanESM5.0 performs well compared to other models and have revealed several model biases. To address these biases, the CCCma has recently initiated the “Analysis for Development” (A4D) activity, a coordinated analysis activity in support of CanESM development. Here we describe the goals and organization of this effort and introduce two variants (“p1” and “p2”) of a new CanESM version, CanESM5.1, which features important improvements as a result of the A4D activity. These improvements include the elimination of spurious stratospheric temperature spikes and an improved simulation of tropospheric dust. Other climate aspects of the p1 variant of CanESM5.1 are similar to those of CanESM5.0, while the p2 variant of CanESM5.1 features reduced equilibrium climate sensitivity and improved El Niño–Southern Oscillation (ENSO) variability as a result of intentional tuning of the atmospheric component. The A4D activity has also led to the improved understanding of other notable CanESM5.0 and CanESM5.1 biases, including the overestimation of North Atlantic sea ice, a cold bias over sea ice, biases in the stratospheric circulation and a cold bias over the Himalayas. It provides a potential framework for the broader climate community to contribute to CanESM development, which will facilitate further model improvements and ultimately lead to improved climate change information.</p>https://gmd.copernicus.org/articles/16/6553/2023/gmd-16-6553-2023.pdf |
| spellingShingle | M. Sigmond J. Anstey V. Arora R. Digby R. Digby N. Gillett V. Kharin W. Merryfield C. Reader J. Scinocca N. Swart J. Virgin J. Virgin C. Abraham J. Cole N. Lambert W.-S. Lee Y. Liang Y. Liang E. Malinina L. Rieger K. von Salzen C. Seiler C. Seinen A. Shao R. Sospedra-Alfonso L. Wang D. Yang Improvements in the Canadian Earth System Model (CanESM) through systematic model analysis: CanESM5.0 and CanESM5.1 Geoscientific Model Development |
| title | Improvements in the Canadian Earth System Model (CanESM) through systematic model analysis: CanESM5.0 and CanESM5.1 |
| title_full | Improvements in the Canadian Earth System Model (CanESM) through systematic model analysis: CanESM5.0 and CanESM5.1 |
| title_fullStr | Improvements in the Canadian Earth System Model (CanESM) through systematic model analysis: CanESM5.0 and CanESM5.1 |
| title_full_unstemmed | Improvements in the Canadian Earth System Model (CanESM) through systematic model analysis: CanESM5.0 and CanESM5.1 |
| title_short | Improvements in the Canadian Earth System Model (CanESM) through systematic model analysis: CanESM5.0 and CanESM5.1 |
| title_sort | improvements in the canadian earth system model canesm through systematic model analysis canesm5 0 and canesm5 1 |
| url | https://gmd.copernicus.org/articles/16/6553/2023/gmd-16-6553-2023.pdf |
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