Changes of upper ocean disturbance caused by tropical cyclones in the Western North Pacific main development region (1993-2021).
During the passage of tropical cyclones (TCs) cause severe disturbances in the upper ocean, especially the TC main development region (MDR) (5°-23°N, 127°-160°E) in the Western North Pacific. The main attributes affecting the upper ocean disturbance were selected and weighted by the CRITIC weight me...
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Public Library of Science (PLoS)
2025-01-01
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| Series: | PLoS ONE |
| Online Access: | https://doi.org/10.1371/journal.pone.0320143 |
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| author | Yujun Liu Feiyan Chen Zhifei Ma Yating Shao Junhui Yan |
| author_facet | Yujun Liu Feiyan Chen Zhifei Ma Yating Shao Junhui Yan |
| author_sort | Yujun Liu |
| collection | DOAJ |
| description | During the passage of tropical cyclones (TCs) cause severe disturbances in the upper ocean, especially the TC main development region (MDR) (5°-23°N, 127°-160°E) in the Western North Pacific. The main attributes affecting the upper ocean disturbance were selected and weighted by the CRITIC weight method. An upper ocean disturbance (UOD) index with TCs intensity factors (MSW, Vh), ocean dynamic factors (SSC, RV, EPV) and ocean thermal factors (ΔSST, ΔMLD) was established. The change of UOD index in different time scales was analyzed by calculating each TC accumulation, monthly accumulation, and Interannual accumulation. The UOD index was closely related to the ENSO (El Niño-Southern Oscillation) climate anomaly, and their interannual correlation was as high as 0.83. Generally, the UOD index was higher in El Niño years and lower in La Niña years. In the past 10 years, the ocean thermal factors of UOD index have been increasing, especially in La Niña years. This is mainly due to the increasing SST, decreasing MLD and seawater salinity in recent years, which have changed upper ocean stratification. These results offer insights for the comprehensive analysis of the response and variation trend of the upper ocean to TC in the MDR of the Western North Pacific in recent years. |
| format | Article |
| id | doaj-art-e87fa0d2981d4b358fa40f45e19143e3 |
| institution | OA Journals |
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| language | English |
| publishDate | 2025-01-01 |
| publisher | Public Library of Science (PLoS) |
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| series | PLoS ONE |
| spelling | doaj-art-e87fa0d2981d4b358fa40f45e19143e32025-08-20T02:19:37ZengPublic Library of Science (PLoS)PLoS ONE1932-62032025-01-01204e032014310.1371/journal.pone.0320143Changes of upper ocean disturbance caused by tropical cyclones in the Western North Pacific main development region (1993-2021).Yujun LiuFeiyan ChenZhifei MaYating ShaoJunhui YanDuring the passage of tropical cyclones (TCs) cause severe disturbances in the upper ocean, especially the TC main development region (MDR) (5°-23°N, 127°-160°E) in the Western North Pacific. The main attributes affecting the upper ocean disturbance were selected and weighted by the CRITIC weight method. An upper ocean disturbance (UOD) index with TCs intensity factors (MSW, Vh), ocean dynamic factors (SSC, RV, EPV) and ocean thermal factors (ΔSST, ΔMLD) was established. The change of UOD index in different time scales was analyzed by calculating each TC accumulation, monthly accumulation, and Interannual accumulation. The UOD index was closely related to the ENSO (El Niño-Southern Oscillation) climate anomaly, and their interannual correlation was as high as 0.83. Generally, the UOD index was higher in El Niño years and lower in La Niña years. In the past 10 years, the ocean thermal factors of UOD index have been increasing, especially in La Niña years. This is mainly due to the increasing SST, decreasing MLD and seawater salinity in recent years, which have changed upper ocean stratification. These results offer insights for the comprehensive analysis of the response and variation trend of the upper ocean to TC in the MDR of the Western North Pacific in recent years.https://doi.org/10.1371/journal.pone.0320143 |
| spellingShingle | Yujun Liu Feiyan Chen Zhifei Ma Yating Shao Junhui Yan Changes of upper ocean disturbance caused by tropical cyclones in the Western North Pacific main development region (1993-2021). PLoS ONE |
| title | Changes of upper ocean disturbance caused by tropical cyclones in the Western North Pacific main development region (1993-2021). |
| title_full | Changes of upper ocean disturbance caused by tropical cyclones in the Western North Pacific main development region (1993-2021). |
| title_fullStr | Changes of upper ocean disturbance caused by tropical cyclones in the Western North Pacific main development region (1993-2021). |
| title_full_unstemmed | Changes of upper ocean disturbance caused by tropical cyclones in the Western North Pacific main development region (1993-2021). |
| title_short | Changes of upper ocean disturbance caused by tropical cyclones in the Western North Pacific main development region (1993-2021). |
| title_sort | changes of upper ocean disturbance caused by tropical cyclones in the western north pacific main development region 1993 2021 |
| url | https://doi.org/10.1371/journal.pone.0320143 |
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