沈阳的年平均温度变化有一个 12a的周期 ,各周期温度基本呈阶梯状上升 ,2 0世纪末的周期冬季平均温度比世纪初的周期升温 2 .8℃左右。

• Annual average temperature of Shenyang has a 12-years cycle, and temperature basically presents ladder form rise in every cycle. The cycle average temperature in winter of the end of 20th century rose about 2.8 Celsius degrees than that of the beginning of the century.