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亚欧及北太平洋相当正压层高度的分析及数值模拟
引用本文:欧阳首承,兰伟.亚欧及北太平洋相当正压层高度的分析及数值模拟[J].高原气象,1990,9(3):277-283.
作者姓名:欧阳首承  兰伟
作者单位:成都气象学院,成都气象学院,贵州及海南气象局,贵州及海南气象局,贵州及海南气象局,贵州及海南气象局 天津塘沽盐场气象台、四川气象局,天津塘沽盐场气象台、四川气象局,天津塘沽盐场气象台、四川气象局,天津塘沽盐场气象台、四川气象局
摘    要:本文利用相当正压层方法,分析了亚欧及北太平洋中纬度地区47个站点的相当正压层高度,其结果与文献1]类似。计算表明:亚欧及北太平洋的相当正压层高度平均位于359hPa,略去高原站点后,平原地区的平均高度为374hPa。相当正压层是一个波动很大的不同气压的曲面,并随地区和季节变化较大。高原和西风急流的强弱可能都是其影响因子,尤其是高原的作用值得进一步探讨。数值模拟也证实了300hPa上Rossby波比500hPa效果好。

关 键 词:相当正压层  大气环流  数值模拟

THE DIAGNOSIS AND NUMERICAL SIMULATION EXPERIMENT FOR THE HEIGHT OF EQUIVALENT BAROTROPIC LAYER OVER EURASIAN CONTINENT AND NORTH PACIFIC
Ouyang Shoucheng Xiao Tiangui et al..THE DIAGNOSIS AND NUMERICAL SIMULATION EXPERIMENT FOR THE HEIGHT OF EQUIVALENT BAROTROPIC LAYER OVER EURASIAN CONTINENT AND NORTH PACIFIC[J].Plateau Meteorology,1990,9(3):277-283.
Authors:Ouyang Shoucheng Xiao Tiangui
Abstract:In the paper the heights for equivalent barotropic layer over Eurasian continent and North Pacific have been diagnosed and two numerical experiments have been run as well. The results show that the mean equivalent barotropic layer height for all stations over the area is 359 hPa and is in good agreement with our ealier results (Ouyang Shoucheng et al., 1987), but the heights change a lot from place to place and from season to season. It appear to be influenced by Tibetan Plateau and westerly jet. The numerical experiments used by barotropic model suggest that compare with the observed, the simulated Rossby waves on 300 hPa is somewhat superior to that on 500 hPa.
Keywords:Weather analysis  Equivalent barotropic layer  Atmospheric circulation  Rossby wave
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