Dynamic Seasonal Transition from Winter to Summer in the Northern Hemisphere Stratosphere
ZHANG Yu-Li1, 2 
, LIU Yi2 , LIU Chuan-Xi2
, LIU Yi
Dynamic Seasonal Transition from Winter to Summer in the Northern Hemisphere Stratosphere |
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ZHANG Yu-Li
, LIU Yi |
| Figure 4 The composite zonal-wind-based ST start date anomaly in the Northern Hemisphere in a westerly QBO winters and b easterly QBO winters, and end date anomalies in the Northern Hemisphere in c westerly QBO winters and d easterly QBO winters units: day. The zonal-mean zonal wind anomalies at 30 hPa in the Northern Hemisphere in e westerly QBO winters and f easterly QBO winters units: m s -1 ; the white lines are the start and end date of the ST. The anomaly contours statistically significant at the 0.05 level based on the Student#cod#x02019;s t -test are shown as shadow regions. |
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