Confronting Arctic Troposphere, Clouds, and Surface Energy Budget Representations in Regional Climate Models With Observations
peer reviewed A coordinated regional climate model (RCM) evaluation and intercomparison project based on observations from a July–October 2014 trans‐Arctic Ocean field experiment (ACSE‐Arctic Clouds during Summer Experiment) is presented. Six state‐of‐the‐art RCMs were constrained with common reanal...
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Online Access: | https://orbi.uliege.be/handle/2268/246168 https://doi.org/10.1029/2019JD031783 |
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ftorbi:oai:orbi.ulg.ac.be:2268/246168 2024-04-21T07:55:54+00:00 Confronting Arctic Troposphere, Clouds, and Surface Energy Budget Representations in Regional Climate Models With Observations Sedlar, Joseph Tjernström, Michael Rinke, Annette Orr, Andrew Cassano, John Fettweis, Xavier Heinemann, Günther Seefeldt, Mark Solomon, Ay Matthes, Heidrun Phillips, Tony Webster, Stuart Sphères - SPHERES 2020-03-12 https://orbi.uliege.be/handle/2268/246168 https://doi.org/10.1029/2019JD031783 en eng Wiley https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2019JD031783 urn:issn:2169-897X urn:issn:2169-8996 https://orbi.uliege.be/handle/2268/246168 info:hdl:2268/246168 doi:10.1029/2019JD031783 scopus-id:2-s2.0-85082432352 restricted access http://purl.org/coar/access_right/c_16ec info:eu-repo/semantics/restrictedAccess Journal of Geophysical Research. Atmospheres, 125 (2020-03-12) Physical chemical mathematical & earth Sciences Earth sciences & physical geography Physique chimie mathématiques & sciences de la terre Sciences de la terre & géographie physique journal article http://purl.org/coar/resource_type/c_6501 info:eu-repo/semantics/article peer reviewed 2020 ftorbi https://doi.org/10.1029/2019JD031783 2024-03-27T14:54:15Z peer reviewed A coordinated regional climate model (RCM) evaluation and intercomparison project based on observations from a July–October 2014 trans‐Arctic Ocean field experiment (ACSE‐Arctic Clouds during Summer Experiment) is presented. Six state‐of‐the‐art RCMs were constrained with common reanalysis lateral boundary forcing and upper troposphere nudging techniques to explore how the RCMs represented the evolution of the surface energy budget (SEB) components and their relation to cloud properties. We find that the main reasons for the modeled differences in the SEB components are a direct consequence of the RCM treatment of cloud and cloud‐radiative interactions. The RCMs could be separated into groups by their overestimation or underestimation of cloud liquid. While radiative and turbulent heat flux errors were relatively large, they often invoke compensating errors. In addition, having the surface sea‐ice concentrations constrained by the reanalysis or satellite observations limited how errors in the modeled radiative fluxes could affect the SEB and ultimately the surface evolution and its coupling with lower tropospheric mixing and cloud properties. Many of these results are consistent with RCM biases reported in studies over a decade ago. One of the six models was a fully coupled ocean‐ice‐atmosphere model. Despite the biases in overestimating cloud liquid, and associated SEB errors due to too optically thick clouds, its simulations were useful in understanding how the fully coupled system is forced by, and responds to, the SEB evolution. Moving forward, we suggest that development of RCM studies need to consider the fully coupled climate system. Article in Journal/Newspaper Arctic Ocean Sea ice University of Liège: ORBi (Open Repository and Bibliography) Journal of Geophysical Research: Atmospheres 125 6 |
institution |
Open Polar |
collection |
University of Liège: ORBi (Open Repository and Bibliography) |
op_collection_id |
ftorbi |
language |
English |
topic |
Physical chemical mathematical & earth Sciences Earth sciences & physical geography Physique chimie mathématiques & sciences de la terre Sciences de la terre & géographie physique |
spellingShingle |
Physical chemical mathematical & earth Sciences Earth sciences & physical geography Physique chimie mathématiques & sciences de la terre Sciences de la terre & géographie physique Sedlar, Joseph Tjernström, Michael Rinke, Annette Orr, Andrew Cassano, John Fettweis, Xavier Heinemann, Günther Seefeldt, Mark Solomon, Ay Matthes, Heidrun Phillips, Tony Webster, Stuart Confronting Arctic Troposphere, Clouds, and Surface Energy Budget Representations in Regional Climate Models With Observations |
topic_facet |
Physical chemical mathematical & earth Sciences Earth sciences & physical geography Physique chimie mathématiques & sciences de la terre Sciences de la terre & géographie physique |
description |
peer reviewed A coordinated regional climate model (RCM) evaluation and intercomparison project based on observations from a July–October 2014 trans‐Arctic Ocean field experiment (ACSE‐Arctic Clouds during Summer Experiment) is presented. Six state‐of‐the‐art RCMs were constrained with common reanalysis lateral boundary forcing and upper troposphere nudging techniques to explore how the RCMs represented the evolution of the surface energy budget (SEB) components and their relation to cloud properties. We find that the main reasons for the modeled differences in the SEB components are a direct consequence of the RCM treatment of cloud and cloud‐radiative interactions. The RCMs could be separated into groups by their overestimation or underestimation of cloud liquid. While radiative and turbulent heat flux errors were relatively large, they often invoke compensating errors. In addition, having the surface sea‐ice concentrations constrained by the reanalysis or satellite observations limited how errors in the modeled radiative fluxes could affect the SEB and ultimately the surface evolution and its coupling with lower tropospheric mixing and cloud properties. Many of these results are consistent with RCM biases reported in studies over a decade ago. One of the six models was a fully coupled ocean‐ice‐atmosphere model. Despite the biases in overestimating cloud liquid, and associated SEB errors due to too optically thick clouds, its simulations were useful in understanding how the fully coupled system is forced by, and responds to, the SEB evolution. Moving forward, we suggest that development of RCM studies need to consider the fully coupled climate system. |
author2 |
Sphères - SPHERES |
format |
Article in Journal/Newspaper |
author |
Sedlar, Joseph Tjernström, Michael Rinke, Annette Orr, Andrew Cassano, John Fettweis, Xavier Heinemann, Günther Seefeldt, Mark Solomon, Ay Matthes, Heidrun Phillips, Tony Webster, Stuart |
author_facet |
Sedlar, Joseph Tjernström, Michael Rinke, Annette Orr, Andrew Cassano, John Fettweis, Xavier Heinemann, Günther Seefeldt, Mark Solomon, Ay Matthes, Heidrun Phillips, Tony Webster, Stuart |
author_sort |
Sedlar, Joseph |
title |
Confronting Arctic Troposphere, Clouds, and Surface Energy Budget Representations in Regional Climate Models With Observations |
title_short |
Confronting Arctic Troposphere, Clouds, and Surface Energy Budget Representations in Regional Climate Models With Observations |
title_full |
Confronting Arctic Troposphere, Clouds, and Surface Energy Budget Representations in Regional Climate Models With Observations |
title_fullStr |
Confronting Arctic Troposphere, Clouds, and Surface Energy Budget Representations in Regional Climate Models With Observations |
title_full_unstemmed |
Confronting Arctic Troposphere, Clouds, and Surface Energy Budget Representations in Regional Climate Models With Observations |
title_sort |
confronting arctic troposphere, clouds, and surface energy budget representations in regional climate models with observations |
publisher |
Wiley |
publishDate |
2020 |
url |
https://orbi.uliege.be/handle/2268/246168 https://doi.org/10.1029/2019JD031783 |
genre |
Arctic Ocean Sea ice |
genre_facet |
Arctic Ocean Sea ice |
op_source |
Journal of Geophysical Research. Atmospheres, 125 (2020-03-12) |
op_relation |
https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2019JD031783 urn:issn:2169-897X urn:issn:2169-8996 https://orbi.uliege.be/handle/2268/246168 info:hdl:2268/246168 doi:10.1029/2019JD031783 scopus-id:2-s2.0-85082432352 |
op_rights |
restricted access http://purl.org/coar/access_right/c_16ec info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1029/2019JD031783 |
container_title |
Journal of Geophysical Research: Atmospheres |
container_volume |
125 |
container_issue |
6 |
_version_ |
1796938147973562368 |