The space structure, interannual and seasonal variation of the global mean pressure and temperature were analyzed using the 57 years (1948-2004) data sets of pressure and temperature at tropopause.

• 摘要利用1948-2004年共57年的对流层顶气压场和温度场资料，对全球对流层顶平均温压场的空间分布结构、年际和年代际变化以及季节变化进行了分析。