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Mixed layer thermodynamics of the Southern South China Sea

机译:南海南部的混合层热力学

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摘要

Seasonal and inter-annual variability of the mixed layer temperature in the Southern South China Sea (SSCS) is investigated using a regional ocean circulation model simulation. The mixed layer depth (MLD) over the SSCS exhibits a strong seasonal signal with deeper MLDs during the northeast and southwest monsoons. The main factor that drives the mixed layer temperature variation in the SSCS is the air-sea heat fluxes, with vertical ocean processes acting as a relatively weak negative feedback. In general, the budget analysis demonstrates a net balance between the vertical ocean processes and surface heat flux during the pre-monsoon and southwest monsoon. Northeast monsoon period is noted by an offsetting of surface heat flux, horizontal and vertical ocean processes. The first dominant mode of mixed layer temperature inter-annual variability in the SSCS shows significant correlation (0.34) with the El Nino phenomenon in the Pacific Ocean and is best correlated (0.67) with a lag of 5 months.
机译:利用区域海洋环流模型模拟研究了南海南部(SSCS)混合层温度的季节性和年际变化。 SSCS上的混合层深度(MLD)表现出强烈的季节性信号,在东北和西南季风期间具有更深的MLD。导致SSCS混合层温度变化的主要因素是海气热通量,而垂直海洋过程则是一个相对较弱的负反馈。总的来说,预算分析表明,在季风前和西南季风期间,垂直海洋过程和地表热通量之间存在净平衡。东北季风期以地表热通量,水平和垂直海洋过程的抵消为特征。 SSCS中混合层温度年际变化的第一个主导模式显示与太平洋的厄尔尼诺现象有显着的相关性(0.34),与5个月的滞后性的相关性最好(0.67)。

著录项

  • 来源
    《Climate dynamics》 |2014年第8期|2061-2075|共15页
  • 作者

    Bijoy Thompson; Pavel Tkalich;

  • 作者单位

    Tropical Marine Science Institute, National University of Singapore, Singapore 119222, Singapore;

    Tropical Marine Science Institute, National University of Singapore, Singapore 119222, Singapore;

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

    South China Sea; ROMS; Mixed layer; Heat budget;

    机译:南中国海;ROMS;混合层热预算;

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