Regional wind protective effect of farmland windbreak system in Zhangwu county were calculated by geostrophic deviation method. The average effect is 14%.
用地转偏差方法估算辽宁省彰武县农田防护林体系的区域性防风效应，平均值为14％；
2
The article presents that the supergeostrophic wind of subsynoptic scale low-level jet stream is mainly caused by the isallobaric wind superimposing on the geostrophicwind field.
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。
3
The calculated results show that the calculated diagnostic wind fields are more similar to climatology than the geostrophicwind fields, especially, in the jet stream area.