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Impact of Sea Spray on Air-Sea Fluxes. Part Ⅱ: Feedback Effects

机译:海浪对海气通量的影响。第二部分:反馈效应

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摘要

This paper presents estimations for the transfer of momentum, heat, and water mass between the air and the sea. The results from Lagrangian stochastic simulations of sea spray drops(see part Ⅰ) , along with two sea spray generation functions, are used to calculate the spray-mediated flux components of the air-sea fluxes. When the spray-mediated fluxes constitute a significant fraction of the total fluxes under certain conditions, their feedback effect on the atmosphere cannot be neglected. The authors derive a simplified feedback model to investigate such cases, finding that the spray-mediated fluxes may be especially sensitive to the size distribution of the drops. The total effective air-sea fluxes lead to drag and enthalpy coefficients that increase modestly with wind speed. The rate of increase for the drag coefficient is greatest at moderate wind speeds, while the rate of increase for the enthalpy coefficient is greatest at higher wind speeds where the spray is ubiquitous.
机译:本文提出了在空气和海洋之间动量,热量和水质传递的估计。拉格朗日海雾滴的随机模拟结果(参见第Ⅰ部分),以及两个海浪产生函数,用于计算海浪通量的喷雾介导通量分量。在某些条件下,当喷雾介导的通量占总通量的很大一部分时,就不能忽略它们对大气的反馈作用。作者得出简化的反馈模型来研究此类情况,发现喷雾介导的通量可能对液滴的大小分布特别敏感。总的有效海气通量导致阻力系数和焓系数随风速适度增加。阻力系数的增加速率在中等风速下最大,而焓系数的增加速率在喷雾无处不在的较高风速下最大。

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  • 来源
    《Journal of Physical Oceanography》 |2014年第11期|2835-2853|共19页
  • 作者单位

    School of Marine Science and Policy, University of Delaware, Newark, Delaware;

    School of Marine Science and Policy, University of Delaware, Newark, Delaware,University of Delaware, 112C Robinson Hall, Newark, DE 19716;

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