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      Cold Water in the Lee of the Batanes Islands in the Luzon Strait

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          Abstract

          Using satellite remote sensing data and hydrological observation data, this study investigated the cold water in the lee of the Batanes Islands in the Luzon Strait. The formation of cold water in climate is mainly due to the geostrophic heat advection on the east and west sides of the Batanes Islands: the Kuroshio separates into two branches on the east and west sides of the Batanes Islands. These two branches cause two warm tongues by transferring heat from low latitudes to mid-latitudes, and then the two warm tongues lead to the formation of the relatively cold water in the lee of the Batanes Islands. Further study shows that the cold water range has obvious seasonal and inter-annual variations. Except for August, the seasonal variation of the cold water range is caused by the interaction of geostrophic heat advection and net surface heat flux, whereas the low temperature in August in the lee of the Batanes Islands is caused by the island wake effect. The inter-annual of the cold water range is related to the difference in the meridional velocity between the east and west sides of the Batanes Islands, and the correlation coefficient can reach −0.68 at the 95% confidence level.

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          Author and article information

          Journal
          JOUC
          Journal of Ocean University of China
          Science Press and Springer (China )
          1672-5182
          15 November 2020
          01 December 2020
          : 19
          : 6
          : 1245-1254
          Affiliations
          1College of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310000, China
          2College of Oceanic and Atmospheric Sciences, Ocean University of China, Qingdao 266100, China
          3Nanjing University of Information Science and Technology, Nanjing 210044, China
          4Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519080, China
          Author notes
          *Corresponding authors: SUN Ruili, E-mail: sunruili2007@ 123456126.com ; ZHANG Guosheng, E-mail: zhanggs@ 123456nuist.edu.cn
          Article
          s11802-020-4492-3
          10.1007/s11802-020-4492-3
          Copyright © Ocean University of China, Science Press and Springer-Verlag GmbH Germany 2020.

          The copyright to this article, including any graphic elements therein (e.g. illustrations, charts, moving images), is hereby assigned for good and valuable consideration to the editorial office of Journal of Ocean University of China, Science Press and Springer effective if and when the article is accepted for publication and to the extent assignable if assignability is restricted for by applicable law or regulations (e.g. for U.S. government or crown employees).

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          Self URI (journal-page): https://www.springer.com/journal/11802

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