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Numerical simulation of tropical cyclones in a coupled atmosphere-ocean model with nonuniform mixed layer depth.

机译:具有不均匀混合层深度的大气-海洋耦合模型中热带气旋的数值模拟。

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摘要

A coupled 3D atmosphere-ocean model is developed to study the effect of the oceanic mixed layer depth (OMLD) on the intensification and the motion of the tropical cyclones. We first study the baroclinic response of the ocean with uniform and nonuniform initial OMLD to the steady forcing of an axisymmetric TC moving at a prescribed translating speed. Emphases are placed on the TC-ocean interactions in the coupled model simulations. Results from 96-hour integrations show TC that move into deeper (shallower) OMLD regions experience rates of increase (decrease) in their intensities once the OMLD is 10 m deeper (2.5 m shallower) than that of the TC's origin. The rightward bias of the sea surface temperature (SST) response appears in every numerical experiment and the maximum SST cooling is about 1-2
机译:开发了一个耦合的3D海洋模型,以研究海洋混合层深度(OMLD)对热带气旋的强度和运动的影响。我们首先研究均匀和非均匀初始OMLD对以规定的平移速度移动的轴对称TC的稳定强迫的斜压响应。在耦合模型仿真中,重点放在TC-海洋相互作用上。 96小时积分的结果表明,移动到更深(更浅)的OMLD区域的TC一旦比TC的原点深10m(更浅的2.5m),其强度就会增加(降低)。在每个数值实验中都会出现海面温度(SST)响应的右偏,最大SST冷却约为1-2

著录项

  • 作者

    Mao, Qi.;

  • 作者单位

    The Florida State University.;

  • 授予单位 The Florida State University.;
  • 学科 Physics Atmospheric Science.;Engineering Marine and Ocean.;Physics Fluid and Plasma.
  • 学位 Ph.D.
  • 年度 1994
  • 页码 179 p.
  • 总页数 179
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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