Recent Development of the COIN method in assimilating AMSR2 sea ice concentration in NorHAPS
Poster presented at the International Ice Charting Working Group (IICWG) data assimilation (DA) workshop at Oslo, Norway. This poster addresses the recent development of the Combined Optimal Interpolation and Nudging (COIN) method, which has been upgraded to a self-contained framework, the Local Ana...
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ftzenodo:oai:zenodo.org:7742764 2024-09-15T18:34:13+00:00 Recent Development of the COIN method in assimilating AMSR2 sea ice concentration in NorHAPS Wang, Keguang Ali, Alfatih Wang, Caixin 2023-03-16 https://doi.org/10.5281/zenodo.7742764 unknown Zenodo https://doi.org/10.5281/zenodo.7742714 https://doi.org/10.5281/zenodo.7742764 oai:zenodo.org:7742764 info:eu-repo/semantics/openAccess Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode sea ice concentration local analytical optimal nudging AMSR2 info:eu-repo/semantics/other 2023 ftzenodo https://doi.org/10.5281/zenodo.774276410.5281/zenodo.7742714 2024-07-25T20:37:54Z Poster presented at the International Ice Charting Working Group (IICWG) data assimilation (DA) workshop at Oslo, Norway. This poster addresses the recent development of the Combined Optimal Interpolation and Nudging (COIN) method, which has been upgraded to a self-contained framework, the Local Analytical Optimal Nudging (LAON) method. The LAON method in this study has been applied in a high-resolution (3-5km) pan-Arctic coupled HYCOM-CICE model. The results show that the LAON assimilation produces accurate sea ice simulations, which have significantly lower integrated ice edge error (IIEE) and integrated marginal ice zone error (IME) when compared with the AMSR2 sea ice concentration that is assimilated, as well as the CMEMS sea ice analyses by NEMO, TOPAZ4 and neXtSIM for the European Arctic. Other/Unknown Material Sea ice Zenodo |
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topic |
sea ice concentration local analytical optimal nudging AMSR2 |
spellingShingle |
sea ice concentration local analytical optimal nudging AMSR2 Wang, Keguang Ali, Alfatih Wang, Caixin Recent Development of the COIN method in assimilating AMSR2 sea ice concentration in NorHAPS |
topic_facet |
sea ice concentration local analytical optimal nudging AMSR2 |
description |
Poster presented at the International Ice Charting Working Group (IICWG) data assimilation (DA) workshop at Oslo, Norway. This poster addresses the recent development of the Combined Optimal Interpolation and Nudging (COIN) method, which has been upgraded to a self-contained framework, the Local Analytical Optimal Nudging (LAON) method. The LAON method in this study has been applied in a high-resolution (3-5km) pan-Arctic coupled HYCOM-CICE model. The results show that the LAON assimilation produces accurate sea ice simulations, which have significantly lower integrated ice edge error (IIEE) and integrated marginal ice zone error (IME) when compared with the AMSR2 sea ice concentration that is assimilated, as well as the CMEMS sea ice analyses by NEMO, TOPAZ4 and neXtSIM for the European Arctic. |
format |
Other/Unknown Material |
author |
Wang, Keguang Ali, Alfatih Wang, Caixin |
author_facet |
Wang, Keguang Ali, Alfatih Wang, Caixin |
author_sort |
Wang, Keguang |
title |
Recent Development of the COIN method in assimilating AMSR2 sea ice concentration in NorHAPS |
title_short |
Recent Development of the COIN method in assimilating AMSR2 sea ice concentration in NorHAPS |
title_full |
Recent Development of the COIN method in assimilating AMSR2 sea ice concentration in NorHAPS |
title_fullStr |
Recent Development of the COIN method in assimilating AMSR2 sea ice concentration in NorHAPS |
title_full_unstemmed |
Recent Development of the COIN method in assimilating AMSR2 sea ice concentration in NorHAPS |
title_sort |
recent development of the coin method in assimilating amsr2 sea ice concentration in norhaps |
publisher |
Zenodo |
publishDate |
2023 |
url |
https://doi.org/10.5281/zenodo.7742764 |
genre |
Sea ice |
genre_facet |
Sea ice |
op_relation |
https://doi.org/10.5281/zenodo.7742714 https://doi.org/10.5281/zenodo.7742764 oai:zenodo.org:7742764 |
op_rights |
info:eu-repo/semantics/openAccess Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.774276410.5281/zenodo.7742714 |
_version_ |
1810476001862352896 |