• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Physical Oceanography >Quasi-Decadal Variation in Intensity of the Western Part of the Winter Subarctic SST Front in the Western North Pacific: The Influence of Kuroshio Extension Path State
【24h】

Quasi-Decadal Variation in Intensity of the Western Part of the Winter Subarctic SST Front in the Western North Pacific: The Influence of Kuroshio Extension Path State

机译：北太平洋西部冬季亚北极海温前锋强度的准年代际变化：黑潮延展路径状态的影响

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Variations of the subarctic front (SAF), which is extracted as a strong sea surface temperature (SST) gradient in the longitudinal band of 146 degrees-152 degrees E, were investigated over 30 winters (January March) from 1982 to 2011, using high-spatial-resolution satellite-derived SST dataset and hydrographic observations. The SAF had little meridional movement in this longitudinal band, lying between 40 degrees and 41 degrees N throughout the analysis period. The SAF intensity had a dominant quasi-decadal time scale (about 8 yr); its intensity in the strong phase was up to about 50% higher than in the weak phase. The SAF intensity strongly reflected upper-ocean conditions in the Kuroshio Oyashio Confluence (KOC) region just south of the SAF. In the strong SAF phase, large positive anomalies in both temperature and salinity were found in the KOC region, not only at the sea surface but also below 300 m, and the water properties in the KOC region were those of the Kuroshio water. The warm, salty water in the KO C region was supplied by mesoscale eddies, which detached northward from the Kuroshio Extension during the unstable state of the Kuroshio Extension path.
机译：在1982年至2011年的30个冬季（1月）中，使用高气压对北极前锋（SAF）的变化进行了调查，该变化是在146度至152度E的纵向带中作为强海表温度（SST）梯度提取的。空间分辨率的卫星SST数据集和水文观测。 SAF在此纵向波段几乎没有子午线运动，整个分析期间位于40度到41度N之间。 SAF强度具有占主导地位的准十年时间尺度（约8年）。在强相中其强度比弱相中的强度高约50％。 SAF强度强烈反映了SAF南部的黑潮大潮合流（KOC）地区的上层海洋条件。在强SAF阶段，不仅在海面而且在300 m以下，在KOC区域都发现了温度和盐度的大正异常，而KOC区域的水质与黑潮水相同。 KO C区的温暖咸水是由中尺度涡旋提供的，在黑潮延伸路径的不稳定状态下，它从黑潮延伸向北分离。

著录项

  • 来源
    《Journal of Physical Oceanography》 |2014年第10期|2753-2762|共10页
  • 作者

    Sugimoto Shusaku; Kobayashi Nakaba; Hanawa Kimio;

  • 作者单位

    Tohoku Univ, Grad Sch Sci, Dept Geophys, Sendai, Miyagi 9808578, Japan;

    Tohoku Univ, Grad Sch Sci, Dept Geophys, Sendai, Miyagi 9808578, Japan;

    Tohoku Univ, Grad Sch Sci, Dept Geophys, Sendai, Miyagi 9808578, Japan;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号