Exploring the relationship between upper ocean states and the falling Ice radiative effects using ECCO product and global climate models
This study seeks to explore the relationship between upper ocean current (UOC) anomalies (above 200 meters) and surface wind stress (TAU), focusing on the influence of falling ice (snow) radiative effects (FIREs) over the tropical and subtropical Pacific regions. To achieve this, we conducted sensit...
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| Format: | Article |
| Language: | English |
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IOP Publishing
2024-01-01
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| Series: | Environmental Research Communications |
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| Online Access: | https://doi.org/10.1088/2515-7620/ad9c1d |
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| author | Jui-Lin F Li Li-Chiao Wang Yu-Cian Tsai Yu-Sung Huang Wei-Liang Lee Jonathan H Jiang Ou Wang Jia-Yuh Yu Graeme Stephens Tzu-Yun Liu |
| author_facet | Jui-Lin F Li Li-Chiao Wang Yu-Cian Tsai Yu-Sung Huang Wei-Liang Lee Jonathan H Jiang Ou Wang Jia-Yuh Yu Graeme Stephens Tzu-Yun Liu |
| author_sort | Jui-Lin F Li |
| collection | DOAJ |
| description | This study seeks to explore the relationship between upper ocean current (UOC) anomalies (above 200 meters) and surface wind stress (TAU), focusing on the influence of falling ice (snow) radiative effects (FIREs) over the tropical and subtropical Pacific regions. To achieve this, we conducted sensitivity experiments with the CESM1-CAM5 model, using the Coupled Model Intercomparison Project phase 5 (CMIP5) historical run setting, with FIREs turned off (NOS) and on (SON). The monthly ocean current and temperature of the ocean reanalysis from the NASA Estimating the Circulation and Climate of the Ocean (ECCO) project, which assimilates satellite and in situ measurements, serves as a reference for this study. The spatial patterns of the horizontal UOC anomaly (UOCA) differences between the NOS and SON experiments show a strong correlation with the TAU patterns across the studied domain. When compared to the experiments with NOS, the experiments with SON demonstrate an improvement in the annual mean UOC. The improvement in UOC can be attributed to the enhancements in TAU, specifically in the trade-wind regions. The enhancements in TAU play a significant role in influencing the UOCA patterns and contribute to the overall improvement observed in the experiments with SON. In SON, the average absolute bias of simulated UOCA over the study area is reduced by up to 30% compared to NOS against ECCO. Although biases in UOC are present over the southern and northern flanks of the equator in SON, the improvements in annual mean ocean currents are closely related to enhancements in TAU driven by the inclusion of FIREs. Notably, stronger ocean current magnitudes correspond to more significant changes in TAU due to Coriolis forces. When evaluating the ensemble mean absolute biases of UOC from the CMIP5 models, similarities to NOS, however, are limited over the South Pacific region. |
| format | Article |
| id | doaj-art-97c501f28b5a4861897811e045512fed |
| institution | OA Journals |
| issn | 2515-7620 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | Environmental Research Communications |
| spelling | doaj-art-97c501f28b5a4861897811e045512fed2025-08-20T01:59:56ZengIOP PublishingEnvironmental Research Communications2515-76202024-01-0161212100910.1088/2515-7620/ad9c1dExploring the relationship between upper ocean states and the falling Ice radiative effects using ECCO product and global climate modelsJui-Lin F Li0https://orcid.org/0000-0002-1294-9526Li-Chiao Wang1https://orcid.org/0000-0003-1945-3969Yu-Cian Tsai2https://orcid.org/0000-0003-2302-6898Yu-Sung Huang3https://orcid.org/0009-0004-8926-2169Wei-Liang Lee4https://orcid.org/0000-0003-1419-315XJonathan H Jiang5https://orcid.org/0000-0002-5929-8951Ou Wang6https://orcid.org/0000-0003-0386-6398Jia-Yuh Yu7https://orcid.org/0000-0001-7512-2510Graeme Stephens8Tzu-Yun Liu9https://orcid.org/0009-0004-3264-0819Jet Propulsion Laboratory, California Institute of Technology , Pasadena, CA, United States of AmericaDepartment of Atmospheric Sciences, National Central University , Taoyuan City, TaiwanDepartment of Atmospheric Sciences, Colorado State University , Fort Collins, CO, United States of AmericaDepartment of Atmospheric Sciences, National Central University , Taoyuan City, TaiwanResearch Center for Environmental Changes , Academia Sinica, Taipei, TaiwanJet Propulsion Laboratory, California Institute of Technology , Pasadena, CA, United States of AmericaJet Propulsion Laboratory, California Institute of Technology , Pasadena, CA, United States of AmericaDepartment of Atmospheric Sciences, National Central University , Taoyuan City, TaiwanJet Propulsion Laboratory, California Institute of Technology , Pasadena, CA, United States of AmericaDepartment of Atmospheric Sciences, National Central University , Taoyuan City, TaiwanThis study seeks to explore the relationship between upper ocean current (UOC) anomalies (above 200 meters) and surface wind stress (TAU), focusing on the influence of falling ice (snow) radiative effects (FIREs) over the tropical and subtropical Pacific regions. To achieve this, we conducted sensitivity experiments with the CESM1-CAM5 model, using the Coupled Model Intercomparison Project phase 5 (CMIP5) historical run setting, with FIREs turned off (NOS) and on (SON). The monthly ocean current and temperature of the ocean reanalysis from the NASA Estimating the Circulation and Climate of the Ocean (ECCO) project, which assimilates satellite and in situ measurements, serves as a reference for this study. The spatial patterns of the horizontal UOC anomaly (UOCA) differences between the NOS and SON experiments show a strong correlation with the TAU patterns across the studied domain. When compared to the experiments with NOS, the experiments with SON demonstrate an improvement in the annual mean UOC. The improvement in UOC can be attributed to the enhancements in TAU, specifically in the trade-wind regions. The enhancements in TAU play a significant role in influencing the UOCA patterns and contribute to the overall improvement observed in the experiments with SON. In SON, the average absolute bias of simulated UOCA over the study area is reduced by up to 30% compared to NOS against ECCO. Although biases in UOC are present over the southern and northern flanks of the equator in SON, the improvements in annual mean ocean currents are closely related to enhancements in TAU driven by the inclusion of FIREs. Notably, stronger ocean current magnitudes correspond to more significant changes in TAU due to Coriolis forces. When evaluating the ensemble mean absolute biases of UOC from the CMIP5 models, similarities to NOS, however, are limited over the South Pacific region.https://doi.org/10.1088/2515-7620/ad9c1dupper ocean currentsfalling ice radiative effectssurface wind stresstropical Pacific Ocean |
| spellingShingle | Jui-Lin F Li Li-Chiao Wang Yu-Cian Tsai Yu-Sung Huang Wei-Liang Lee Jonathan H Jiang Ou Wang Jia-Yuh Yu Graeme Stephens Tzu-Yun Liu Exploring the relationship between upper ocean states and the falling Ice radiative effects using ECCO product and global climate models Environmental Research Communications upper ocean currents falling ice radiative effects surface wind stress tropical Pacific Ocean |
| title | Exploring the relationship between upper ocean states and the falling Ice radiative effects using ECCO product and global climate models |
| title_full | Exploring the relationship between upper ocean states and the falling Ice radiative effects using ECCO product and global climate models |
| title_fullStr | Exploring the relationship between upper ocean states and the falling Ice radiative effects using ECCO product and global climate models |
| title_full_unstemmed | Exploring the relationship between upper ocean states and the falling Ice radiative effects using ECCO product and global climate models |
| title_short | Exploring the relationship between upper ocean states and the falling Ice radiative effects using ECCO product and global climate models |
| title_sort | exploring the relationship between upper ocean states and the falling ice radiative effects using ecco product and global climate models |
| topic | upper ocean currents falling ice radiative effects surface wind stress tropical Pacific Ocean |
| url | https://doi.org/10.1088/2515-7620/ad9c1d |
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