在对流加热区，大量的潜热释放形成深厚的热源和水汽汇，热源峰值出现在上部对流层，水汽汇峰值出现在下部对流层；
In the convectively heating region latent heat release causes a heating peak in the upper troposphere and a moisture sink in the lower troposphere.
东亚对流层中上部和平流层中下部风场的季节变化，与对流层中下部一样显著。
The seasonal reversal of wind field from the upper troposphere to the stratosphere is as pronounced as in the middle and lower troposphere.
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