https://scholars.lib.ntu.edu.tw/handle/123456789/635822
標題: | Marine heatwave as a supercharger for the strongest typhoon in the East China Sea | 作者: | Pun, Iam Fei Hsu, Huang Hsiung Moon, Il Ju I-I LIN Jeong, Jin Yong |
公開日期: | 1-十二月-2023 | 卷: | 6 | 期: | 1 | 來源出版物: | npj Climate and Atmospheric Science | 摘要: | Due to the cold water temperatures, the East China Sea (ECS) is usually unfavorable for typhoon development. Recently, in a rare event, Typhoon Bavi (2020) reached major typhoon status and became the strongest typhoon in the ECS in the past decade. Based on in situ observations and model simulations, we discover that this typhoon is fueled by a marine heatwave, which creates a very warm ocean condition with sea surface temperature (SST) exceeding 30 °C. Also, because of suppressed typhoon-induced SST cooling caused by the shallow water depth (41 m) and strong salinity stratification (river runoff) within the ECS, the SST beneath the typhoon remains relatively high and enhances the total heat flux for the typhoon. More interestingly, due to the fair weather ahead of the typhoon, we find that the rapid development of this marine heatwave is likely, in part, attributed to the typhoon itself. As the risks from typhoons and marine heatwaves are heightening under climate change, this study provides important insights into the interaction between typhoons and marine heatwaves. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/635822 | ISSN: | 2397-3722 | DOI: | 10.1038/s41612-023-00449-5 |
顯示於: | 大氣科學系 |
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