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首页> 外文期刊>Oceanography >OBSERVATIONS OF LARGE-SCALE RAINFALL, WIND, AND SEA SURFACE SALINITY VARIABILITY IN THE EASTERN TROPICAL PACIFIC
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OBSERVATIONS OF LARGE-SCALE RAINFALL, WIND, AND SEA SURFACE SALINITY VARIABILITY IN THE EASTERN TROPICAL PACIFIC

机译：东热带太平洋地区大规模降雨，风和海表面盐度变异性的观察

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摘要

We examine profiling float-based measurements of rainfall, wind speed, and near-surface salinity in the eastern tropical Pacific Ocean collected during the SPURS-2 field program. The data show large-scale meridional and zonal variability in these quantities, with considerable variability near the Intertropical Convergence Zone (ITCZ). The eastern tropical Pacific data show strong, intermittent, near-surface, low-salinity events driven by rainfall along the ITCZ that generally do not occur else-where in the tropical Pacific. The float salinity data suggest that low-salinity surface water can be entrained 50 m or more into the mixed layer from mid-summer to early in the following calendar year, although the annual periods of strong wind and high precipitation do not coincide. Many of the low-salinity anomalies observed during the SPURS-2 program appear to result from strong, transient storms generated by atmospheric convection along the ITCZ that move across the region.
机译：我们检查在马刺2场计划中收集的东部热带太平洋的降雨，风速和近地表盐度的分析浮动测量。数据显示了这些数量的大规模的经络和区间变异性，具有相当多的可变性，靠近闭间收敛区（ITCZ）。东部热带太平洋数据显示出强劲，间歇性，近地，沿着ITCZ的降雨驱动的低盐度活动，这通常不会发生在热带太平洋的地方。漂浮盐度数据表明，低盐度表面水可以从夏季中留下50米以上的混合层，虽然强风和高沉淀的年龄不一致。在Spurs-2程序期间观察到的许多低盐度异常似乎是由沿着该地区移动的ITCZ沿ITCZ产生的大气对流产生的强烈瞬态风暴。

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  • 来源
    《Oceanography》 |2019年第2期|42-49|共8页
  • 作者

    Riser Stephen C.; Yang Jie; Drucker Robert;

  • 作者单位

    Univ Washington Sch Oceanog Seattle WA 98195 USA;

    Univ Washington Appl Phys Lab Seattle WA 98105 USA;

    Univ Washington Sch Oceanog Seattle WA 98195 USA;

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  • 正文语种 eng
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