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首页> 外文期刊>Estuarine Coastal and Shelf Science >Abnormal reverse intrusion of the Kuroshio Branch Current induced by super typhoon soudelor
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Abnormal reverse intrusion of the Kuroshio Branch Current induced by super typhoon soudelor

机译：Super Typhoon Soudelor引起的Kuroshio分支电流异常反向侵入

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摘要

The Kuroshio Current has a considerable impact on the environmental characteristics and dynamic of the East China Sea (ECS). On the ECS continental shelf within the study area of (124 degrees E-126 degrees E, 25 degrees N-27 degrees N), the Kuroshio Branch Current (KBC) exists in a stable state and flows towards the main Kuroshio axis. The significant difference in potential vorticity is on both sides of the Kuroshio main axis, which makes it difficult for the seawater on the right side of the Kuroshio main axis to intrude the ECS continental shelf. Based on Argo data, satellite data and reanalysis data, an abnormal reverse intrusion of the KBC was observed during the passage of super typhoon Soudelor in 2015. The mean reverse volume transport during the period of Soudelor reached about 0.56 Sv, and the daily mean volume transport on August 9 reached up to 1.29 Sv. Soudelor inputted additional positive potential vorticity fluxes on the right side of the Kuroshio main axis and counteracted the significant potential vorticity difference on both sides of the Kuroshio main axis, which provided a channel for the apparently reverse enhanced ocean current. The significant Ekman downwelling and changes of the upper ocean stratification also promoted the reverse intrusion of KBC. This study offers new insights into the influence of typhoons on the intrusion of the Kuroshio onto the ECS continental shelf.
机译：黑潮对东中国海（ECS）的环境特点和动态的一个相当大的影响。上的研究区（124度E-126度E，25度的N- 27度N）内的ECS大陆架，黑潮支路电流（KBC）存在于稳定的状态，并朝着主黑潮轴线流动。在涡的显著差异是黑潮主轴，这使得它很难在黑潮主轴闯入了ECS大陆架的右侧海水的两侧。基于Argo资料，卫星数据和再分析数据，超强台风苏迪罗的在2015年通过的过程中苏迪罗的期间的平均反向体积运输约0.56 SV，每日平均体积达到期间观察到的KBC的异常反向入侵8月9日运输最多时达到1.29 SV。苏迪罗输入上黑潮主轴线的右侧附加正电势涡通量和抵消上黑潮主轴线，这对于明显地反向增强洋流提供的信道的两侧的显著位涡差。该显著埃克曼下降流和海洋上层分层的变化也促进了KBC的反向入侵。这项研究提供了新的见解台风对黑潮入侵到ECS大陆架的影响。

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  • 来源
    《Estuarine Coastal and Shelf Science》 |2021年第5期|107377.1-107377.9|共9页
  • 作者

    Lu Haibin; Liu Yujun; Wang Yuntao; Cui Yusheng; Ge Xinheng; Zhou Li;

  • 作者单位

    Jiangsu Ocean Univ Jiangsu Key Lab Marine Biotechnol Jiangsu Key Lab Marine Bioresources & Environm Lianyungang 222005 Peoples R China|Jiangsu Ocean Univ Coinnovat Ctr Jiangsu Marine Bioind Technol Lianyungang 222005 Peoples R China|Jiangsu Inst Marine Resources Dev Lianyungang 222005 Peoples R China;

    Jiangsu Ocean Univ Jiangsu Key Lab Marine Biotechnol Jiangsu Key Lab Marine Bioresources & Environm Lianyungang 222005 Peoples R China;

    Minist Nat Resources Inst Oceanog 2 State Key Lab Satellite Ocean Environm Dynam Hangzhou 310012 Peoples R China;

    Jiangsu Ocean Univ Jiangsu Key Lab Marine Biotechnol Jiangsu Key Lab Marine Bioresources & Environm Lianyungang 222005 Peoples R China;

    Jiangsu Ocean Univ Jiangsu Key Lab Marine Biotechnol Jiangsu Key Lab Marine Bioresources & Environm Lianyungang 222005 Peoples R China;

    Jiangsu Ocean Univ Jiangsu Key Lab Marine Biotechnol Jiangsu Key Lab Marine Bioresources & Environm Lianyungang 222005 Peoples R China;

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  • 正文语种 eng
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  • 关键词

    Kuroshio; Typhoon; Volume transport; ECS continental Shelf;

    机译：Kuroshio;台风;批量运输;ECS大陆架;

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