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北半球如何判断风向
更新时间: 2020-07-11 00:00:00  

1、高空风向:北半球高空作水平气压梯度力,其特点是高压指向低压,垂直于等压线,最终风向向水平气压梯度力的右侧偏转,且与等压线平行重合。

2、近地面风向:北半球近地面作水平气压梯度力,最终风向向水平气压梯度力的右侧约呈30度45度的夹角,与等压线斜交。

注意:作用于风的力除了水平气压梯度力外,还有地转偏向力,近地面还要考虑摩擦力。

关键词: 北半球 如何 判断 风向

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