大气Rossby波动力学的研究进展.pdfVIP

Acta Sinica气象学报 0577．6619／2008／66(6)．0870．79Meteorologica 大气Rossby波动力学的研究进展 谭本馗 TANBenkui 北京大学物理学院大气科学系，北京，100871 DepartmentofAtmosphericScience，Peking 100871，China University，Beijing 1-28改回． 2008—08—15收稿，2008．1 TanBenkui．2008．Advancesof of waves Sinica，66(6)：870—879 atmosphericRossbydynamics．ActaMeteorologica oceanson earth is Abstract wavesareakindof wavesinthe and the andtheiractivityclosely Rossby large-scale atmosphere rotating in recentdecadeinstudieson relatedtOweatherandclimate．Thisarticlereviewsthe achievedthe two Rossby progress waves，partic— ontwofamiliesof wavesand waves．Thefocusesofthereview waves——一baIDclinic ularly Rossby Rossby quasi—stationaryplanetary baroclinicwave ofmoist onbaroclinic stormtrack are：dynamicsof packets，effectsprocess waves，NorthernHemisphere dynamics， baroclinicwavesand of of and predictionhighimpactweather，mechanismsquasi—stationarywaves，horizontalpropagationdispersion of wav(*。verticaland of waves，andthree-dimensionaland quasi．stationary propagationdispersionquasi—stationary propagationdisper— sionof waves． quasi—stationary words waves，Baroclinic waves，Storm and Of Key Rossby waves，Quasi—stationaryplanetary tracks，Propagationdispersionquasi— waves stationary 摘 要Ros：sby波是旋转大气和海洋中的一类莺要波动，在天气和气候演变中起有重要的作用。该文介绍了北半球中纬度 地区的两类熏要Rossby波——斜压不稳定波和准定常行星波，在最近20余年来取得的一些重要研究进展。