E3SMv0-HiLAT: A Modified Climate System Model Targeted for the Study of High-Latitude Processes
We document the configuration, tuning, and evaluation of a modified version of the Community Earth System Model version 1, introduced here as E3SMv0-HiLAT, intended for study of high-latitude processes. E3SMv0-HiLAT incorporates changes to the atmospheric model affecting aerosol transport to high no...
Published in: | Journal of Advances in Modeling Earth Systems |
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Online Access: | http://www.osti.gov/servlets/purl/1633527 https://www.osti.gov/biblio/1633527 https://doi.org/10.1029/2018MS001524 |
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ftosti:oai:osti.gov:1633527 2023-07-30T04:06:45+02:00 E3SMv0-HiLAT: A Modified Climate System Model Targeted for the Study of High-Latitude Processes Hecht, Matthew Veneziani, Milena Weijer, Wilbert Kravitz, Benjamin S. Burrows, Susannah M. Comeau, Darin Hunke, Elizabeth C. Jeffery, Nicole Urrego‐Blanco, Jorge Wang, Hailong Wang, Shanlin Zhang, Jiaxu Bailey, David Mills, Catrin M. Rasch, Philip J. Urban, Nathan 2022-01-04 application/pdf http://www.osti.gov/servlets/purl/1633527 https://www.osti.gov/biblio/1633527 https://doi.org/10.1029/2018MS001524 unknown http://www.osti.gov/servlets/purl/1633527 https://www.osti.gov/biblio/1633527 https://doi.org/10.1029/2018MS001524 doi:10.1029/2018MS001524 54 ENVIRONMENTAL SCIENCES 2022 ftosti https://doi.org/10.1029/2018MS001524 2023-07-11T09:43:27Z We document the configuration, tuning, and evaluation of a modified version of the Community Earth System Model version 1, introduced here as E3SMv0-HiLAT, intended for study of high-latitude processes. E3SMv0-HiLAT incorporates changes to the atmospheric model affecting aerosol transport to high northern latitudes and to reduce shortwave cloud bias over the Southern Ocean. An updated sea ice model includes biogeochemistry that is coupled to an extended version of the ocean model's biogechemistry. This enables cloud nucleation to depend on the changing marine emissions of aerosol precursors, which may be expected in scenarios with strongly changing sea ice extent, oceanic stratification and associated nutrient availability, and atmospheric state. An evaluation of the basic preindustrial state of E3SMv0-HiLAT is presented in order to ensure that its climate is adequate to support future experimentation. Additional capability is not achieved without some cost, relative to the extraordinarily well-tuned model from which it was derived. In particular, a reduction of bias in cloud forcing achieved over the Southern Hemisphere also allows for greater Southern Ocean sea ice extent, a tendency that has been partially but not fully alleviated through experimentation and tuning. The most interesting change in the behavior of the model may be its response to greenhouse gas forcing: While the climate sensitivity is found to be essentially unchanged from that of Community Earth System Model version 1, the adjusted radiative forcing has increased from within one standard deviation above that of Coupled Model Intercomparison Project Phase 5 models to nearly two standard deviations. Other/Unknown Material Sea ice Southern Ocean SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy) Southern Ocean Journal of Advances in Modeling Earth Systems 11 8 2814 2843 |
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Open Polar |
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SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy) |
op_collection_id |
ftosti |
language |
unknown |
topic |
54 ENVIRONMENTAL SCIENCES |
spellingShingle |
54 ENVIRONMENTAL SCIENCES Hecht, Matthew Veneziani, Milena Weijer, Wilbert Kravitz, Benjamin S. Burrows, Susannah M. Comeau, Darin Hunke, Elizabeth C. Jeffery, Nicole Urrego‐Blanco, Jorge Wang, Hailong Wang, Shanlin Zhang, Jiaxu Bailey, David Mills, Catrin M. Rasch, Philip J. Urban, Nathan E3SMv0-HiLAT: A Modified Climate System Model Targeted for the Study of High-Latitude Processes |
topic_facet |
54 ENVIRONMENTAL SCIENCES |
description |
We document the configuration, tuning, and evaluation of a modified version of the Community Earth System Model version 1, introduced here as E3SMv0-HiLAT, intended for study of high-latitude processes. E3SMv0-HiLAT incorporates changes to the atmospheric model affecting aerosol transport to high northern latitudes and to reduce shortwave cloud bias over the Southern Ocean. An updated sea ice model includes biogeochemistry that is coupled to an extended version of the ocean model's biogechemistry. This enables cloud nucleation to depend on the changing marine emissions of aerosol precursors, which may be expected in scenarios with strongly changing sea ice extent, oceanic stratification and associated nutrient availability, and atmospheric state. An evaluation of the basic preindustrial state of E3SMv0-HiLAT is presented in order to ensure that its climate is adequate to support future experimentation. Additional capability is not achieved without some cost, relative to the extraordinarily well-tuned model from which it was derived. In particular, a reduction of bias in cloud forcing achieved over the Southern Hemisphere also allows for greater Southern Ocean sea ice extent, a tendency that has been partially but not fully alleviated through experimentation and tuning. The most interesting change in the behavior of the model may be its response to greenhouse gas forcing: While the climate sensitivity is found to be essentially unchanged from that of Community Earth System Model version 1, the adjusted radiative forcing has increased from within one standard deviation above that of Coupled Model Intercomparison Project Phase 5 models to nearly two standard deviations. |
author |
Hecht, Matthew Veneziani, Milena Weijer, Wilbert Kravitz, Benjamin S. Burrows, Susannah M. Comeau, Darin Hunke, Elizabeth C. Jeffery, Nicole Urrego‐Blanco, Jorge Wang, Hailong Wang, Shanlin Zhang, Jiaxu Bailey, David Mills, Catrin M. Rasch, Philip J. Urban, Nathan |
author_facet |
Hecht, Matthew Veneziani, Milena Weijer, Wilbert Kravitz, Benjamin S. Burrows, Susannah M. Comeau, Darin Hunke, Elizabeth C. Jeffery, Nicole Urrego‐Blanco, Jorge Wang, Hailong Wang, Shanlin Zhang, Jiaxu Bailey, David Mills, Catrin M. Rasch, Philip J. Urban, Nathan |
author_sort |
Hecht, Matthew |
title |
E3SMv0-HiLAT: A Modified Climate System Model Targeted for the Study of High-Latitude Processes |
title_short |
E3SMv0-HiLAT: A Modified Climate System Model Targeted for the Study of High-Latitude Processes |
title_full |
E3SMv0-HiLAT: A Modified Climate System Model Targeted for the Study of High-Latitude Processes |
title_fullStr |
E3SMv0-HiLAT: A Modified Climate System Model Targeted for the Study of High-Latitude Processes |
title_full_unstemmed |
E3SMv0-HiLAT: A Modified Climate System Model Targeted for the Study of High-Latitude Processes |
title_sort |
e3smv0-hilat: a modified climate system model targeted for the study of high-latitude processes |
publishDate |
2022 |
url |
http://www.osti.gov/servlets/purl/1633527 https://www.osti.gov/biblio/1633527 https://doi.org/10.1029/2018MS001524 |
geographic |
Southern Ocean |
geographic_facet |
Southern Ocean |
genre |
Sea ice Southern Ocean |
genre_facet |
Sea ice Southern Ocean |
op_relation |
http://www.osti.gov/servlets/purl/1633527 https://www.osti.gov/biblio/1633527 https://doi.org/10.1029/2018MS001524 doi:10.1029/2018MS001524 |
op_doi |
https://doi.org/10.1029/2018MS001524 |
container_title |
Journal of Advances in Modeling Earth Systems |
container_volume |
11 |
container_issue |
8 |
container_start_page |
2814 |
op_container_end_page |
2843 |
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1772819627062067200 |