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The Nature of the Hadley Cell
来源:LASG    访问次数:    报告时间:2017-9-15
【报告人】        Prof. Sir Brian Hoskins
【报告人单位】Imperial College London, UK
【报告时间】    2017年9月15日(星期五)10:00
【报告地点】    科研楼101会议室
【报告简介】    The zonal- and time-mean picture of the Hadley Cell is accurate but can be unhelpful. For example the sub-tropical jet is only about a third the strength of what would be given by angular conservation in the upper tropospheric branch of the Hadley Cell. It will be shown that the motions that average to give the Hadley Cell generally occur at discrete points in longitude and in time, associated with deep convection in weather systems. The importance of PV mixing processes will be highlighted and examples of the direct impact on mid-latitude weather will be given.
 
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