The main difference between this method and the method currently used is that it does not require entire sounding data except geopotentialheight of each level.
这种方法与当前使用的计算方法间的主要不同点是它不需要完整的探空资料，只需要各层的位势高度。
2
The results show that there is a significant equivalent barotropic feature in the vertical direction of the monthly mean geopotentialheight anomalies over the Northern Hemisphere .