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Temporal Variations of the Winter Mixed Layer South of the Kuroshio Extension

机译:黑潮延伸带以南冬季混合层的时空变化

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摘要

A monthly mean time series of the temperature profile in the recirculation gyre south of the Kuroshio Extension has been produced for the period 1971-2007 to examine temporal variations of the winter mixed layer. The winter mixed layer depth (MLD) shows both interannual and decadal variations and is significantly correlated with variation of the mean net surface heat flux in late autumn to early winter. There is also a close relation with the strength of pre-existing subsurface stratification, measured as vertical temperature gradients in the preceding summer. Linear multiple regression analysis shows that a significant fraction of the variations in the winter MLD is explained by the surface heat flux and the strength of the stratification. The contribution of the two factors is comparable.
机译:在1971年至2007年期间,已制作了黑潮延伸区以南的回旋环流中温度分布的每月平均时间序列,以检查冬季混合层的时间变化。冬季混合层深度(MLD)显示年际和年代际变化,并且与深秋至初冬的平均净表面热通量变化显着相关。与先前存在的地下分层的强度也有密切的关系,以上一个夏季的垂直温度梯度来衡量。线性多元回归分析表明,冬季MLD的大部分变化是由表面热通量和分层强度解释的。这两个因素的贡献是可比的。

著录项

  • 来源
    《Journal of oceanography》 |2010年第1期|147-153|共7页
  • 作者单位

    Tokyo University of Marine Science and Technology, Etchujima, Koto-ku, Tokyo 135-8533, Japan Japan National Offshore Development and Geo-Survey Co. Ltd., Japan;

    Tokyo University of Marine Science and Technology, Etchujima, Koto-ku, Tokyo 135-8533, Japan;

    Tokyo University of Marine Science and Technology, Etchujima, Koto-ku, Tokyo 135-8533, Japan Institue of Observational Research for Global Change, JAMSTEC Natsushima-cho, Yokosuka, Kanagawa 237-0061, Japan;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    winter mixed layer; kuroshio extension recirculation; net surface heat flux; vertical temperature gradient;

    机译:冬季混合层黑潮扩展循环;净表面热通量垂直温度梯度;

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