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气侯平均风场作用下热带太平洋主流系和赤道行星波研究

, PP. 40-50

Keywords: 主流系,温跃层,赤道Kelvin波,混合Rossby重力波

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Abstract:

将两层约化重力原始流体动力方程耦合气候月平均风场,数值计算流场基本能够正确反映热带太平洋上层主流系和温跃层的空间分布和季节变化.在气候平均条件下,东太平洋125°W附近经向风应力可激发出高阶混合Rossby重力波.海洋高阶赤道Kelvin波流速模态可从西太平洋边界传播到东太平洋边界,而高阶赤道Kelvin波温跃层模态从西太平洋边界东传后,在中太平洋受到高阶混合Rossby重力波诱发的西传温跃层扰动的阻挡.

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