Validation of parameterizations for the surface turbulent fluxes over sea ice with CHINARE 2010 and SHEBA data
This study examines the modelled surface turbulent fluxes over sea ice from the bulk algorithms of the Beijing Climate Centre Climate System Model (BCC_CSM), the European Centre for Medium-Range Weather Forecasts (ECMWF) model and the Community Earth System Model (CESM) with data from the fourth Chi...
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ftjpolarres:oai:journals.openacademia.net:article/3093 2024-06-23T07:50:13+00:00 Validation of parameterizations for the surface turbulent fluxes over sea ice with CHINARE 2010 and SHEBA data Lu, Yixiong Zhou, Mingyu Wu, Tongwen 2013-09-23 application/pdf text/html application/epub+zip text/plain https://polarresearch.net/index.php/polar/article/view/3093 https://doi.org/10.3402/polar.v32i0.20818 eng eng Norwegian Polar Institute https://polarresearch.net/index.php/polar/article/view/3093/pdf_1 https://polarresearch.net/index.php/polar/article/view/3093/html https://polarresearch.net/index.php/polar/article/view/3093/epub https://polarresearch.net/index.php/polar/article/view/3093/xml https://polarresearch.net/index.php/polar/article/view/3093 doi:10.3402/polar.v32i0.20818 Polar Research; Vol 32 (2013) 1751-8369 Iceatmosphere coupling turbulent flux parameterization MoninObukhov similarity theory SHEBA stable boundary layer info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2013 ftjpolarres https://doi.org/10.3402/polar.v32i0.20818 2024-06-13T23:33:00Z This study examines the modelled surface turbulent fluxes over sea ice from the bulk algorithms of the Beijing Climate Centre Climate System Model (BCC_CSM), the European Centre for Medium-Range Weather Forecasts (ECMWF) model and the Community Earth System Model (CESM) with data from the fourth Chinese National Arctic Research Expedition (CHINARE 2010) and the Surface Heat Budget of the Arctic Ocean (SHEBA) experiment. Of all the model algorithms, wind stresses are replicated well and have small annual biases (-0.6% in BCC_CSM, 0.2% in CESM and 17% in ECMWF) with observations, annual sensible heat fluxes are consistently underestimated by 83-141%, and annual latent heat fluxes are generally overestimated by 49-73%. Five sets of stability functions for stable stratification are evaluated based on theoretical and observational analyses, and the superior stability functions are employed in a new bulk algorithm proposal, which also features varying roughness lengths. Compared to BCC_CSM, the new algorithm can estimate the friction velocity with significantly reduced bias, 84% smaller in winter and 56% smaller in summer, respectively. For the sensible heat flux, the bias of the new algorithm is 30% smaller in winter and 19% smaller in summer than that of BCC_CSM. Finally, the bias of modelled latent heat fluxes is 27% smaller in summer.Keywords: Iceatmosphere coupling; turbulent flux parameterization; MoninObukhov similarity theory; SHEBA; stable boundary layer(Published: 23 September 2013)Citation: Polar Research 2013, 32, 20818, http://dx.doi.org/10.3402/polar.v32i0.20818 Article in Journal/Newspaper Arctic Arctic Ocean Polar Research Sea ice Surface Heat Budget of the Arctic Ocean Polar Research Arctic Arctic Ocean Polar Research 32 1 20818 |
institution |
Open Polar |
collection |
Polar Research |
op_collection_id |
ftjpolarres |
language |
English |
topic |
Iceatmosphere coupling turbulent flux parameterization MoninObukhov similarity theory SHEBA stable boundary layer |
spellingShingle |
Iceatmosphere coupling turbulent flux parameterization MoninObukhov similarity theory SHEBA stable boundary layer Lu, Yixiong Zhou, Mingyu Wu, Tongwen Validation of parameterizations for the surface turbulent fluxes over sea ice with CHINARE 2010 and SHEBA data |
topic_facet |
Iceatmosphere coupling turbulent flux parameterization MoninObukhov similarity theory SHEBA stable boundary layer |
description |
This study examines the modelled surface turbulent fluxes over sea ice from the bulk algorithms of the Beijing Climate Centre Climate System Model (BCC_CSM), the European Centre for Medium-Range Weather Forecasts (ECMWF) model and the Community Earth System Model (CESM) with data from the fourth Chinese National Arctic Research Expedition (CHINARE 2010) and the Surface Heat Budget of the Arctic Ocean (SHEBA) experiment. Of all the model algorithms, wind stresses are replicated well and have small annual biases (-0.6% in BCC_CSM, 0.2% in CESM and 17% in ECMWF) with observations, annual sensible heat fluxes are consistently underestimated by 83-141%, and annual latent heat fluxes are generally overestimated by 49-73%. Five sets of stability functions for stable stratification are evaluated based on theoretical and observational analyses, and the superior stability functions are employed in a new bulk algorithm proposal, which also features varying roughness lengths. Compared to BCC_CSM, the new algorithm can estimate the friction velocity with significantly reduced bias, 84% smaller in winter and 56% smaller in summer, respectively. For the sensible heat flux, the bias of the new algorithm is 30% smaller in winter and 19% smaller in summer than that of BCC_CSM. Finally, the bias of modelled latent heat fluxes is 27% smaller in summer.Keywords: Iceatmosphere coupling; turbulent flux parameterization; MoninObukhov similarity theory; SHEBA; stable boundary layer(Published: 23 September 2013)Citation: Polar Research 2013, 32, 20818, http://dx.doi.org/10.3402/polar.v32i0.20818 |
format |
Article in Journal/Newspaper |
author |
Lu, Yixiong Zhou, Mingyu Wu, Tongwen |
author_facet |
Lu, Yixiong Zhou, Mingyu Wu, Tongwen |
author_sort |
Lu, Yixiong |
title |
Validation of parameterizations for the surface turbulent fluxes over sea ice with CHINARE 2010 and SHEBA data |
title_short |
Validation of parameterizations for the surface turbulent fluxes over sea ice with CHINARE 2010 and SHEBA data |
title_full |
Validation of parameterizations for the surface turbulent fluxes over sea ice with CHINARE 2010 and SHEBA data |
title_fullStr |
Validation of parameterizations for the surface turbulent fluxes over sea ice with CHINARE 2010 and SHEBA data |
title_full_unstemmed |
Validation of parameterizations for the surface turbulent fluxes over sea ice with CHINARE 2010 and SHEBA data |
title_sort |
validation of parameterizations for the surface turbulent fluxes over sea ice with chinare 2010 and sheba data |
publisher |
Norwegian Polar Institute |
publishDate |
2013 |
url |
https://polarresearch.net/index.php/polar/article/view/3093 https://doi.org/10.3402/polar.v32i0.20818 |
geographic |
Arctic Arctic Ocean |
geographic_facet |
Arctic Arctic Ocean |
genre |
Arctic Arctic Ocean Polar Research Sea ice Surface Heat Budget of the Arctic Ocean |
genre_facet |
Arctic Arctic Ocean Polar Research Sea ice Surface Heat Budget of the Arctic Ocean |
op_source |
Polar Research; Vol 32 (2013) 1751-8369 |
op_relation |
https://polarresearch.net/index.php/polar/article/view/3093/pdf_1 https://polarresearch.net/index.php/polar/article/view/3093/html https://polarresearch.net/index.php/polar/article/view/3093/epub https://polarresearch.net/index.php/polar/article/view/3093/xml https://polarresearch.net/index.php/polar/article/view/3093 doi:10.3402/polar.v32i0.20818 |
op_doi |
https://doi.org/10.3402/polar.v32i0.20818 |
container_title |
Polar Research |
container_volume |
32 |
container_issue |
1 |
container_start_page |
20818 |
_version_ |
1802641090527887360 |