地转风（geostrophic wind） 在大气运动的水平方向上，压力梯度力和科里奥利力(见大气动力学)相平衡下的大气风场。
考虑地面的降温率是时间的函数。地转风为常数。
The surface temperature is considered to be a function of time, while the geostrophic wind is held constant.
本文指出次天气尺度低空急流的超地转特征主要是由变压风叠加在地转风场上所致。
The article presents that the supergeostrophic wind of subsynoptic scale low-level jet stream is mainly caused by the isallobaric wind superimposing on the geostrophic wind field.
通过对结果的分析，发现用此方法得到的诊断风场比地转风场更接近实际，特别是急流区。
The calculated results show that the calculated diagnostic wind fields are more similar to climatology than the geostrophic wind fields, especially, in the jet stream area.
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