Finally, the winter temperature series was constructed at a resolution of 10 years on the basis of calibration of regression between the rece nt observation at Shanghai from 1873 to 1980 and the relevant Icw constructed.

• 最后利用近百年实测资料建立了该指数与相应10年平均气温距平的关系,从而得到了自1470年以来我国冬季气温的10年平均距平序列。