Abstract:

In this paper characteristics of the ultraviolet radiation(UV) and global radiation(Q) from February,1993 to December,1994 at the Larsemann Hills of Antarctica are analysed.The result shows that the most part of UV and Q received at the horizontal surface was mainly in the warm season(Oct.-Feb.). They were 87% and 86% of the annual total amounts respectively. The strongest radiation flux appeared in polar days and UV was 65% of its annual amount.The same ratios for the Naqu of the Qinghai,Qingzang Plateau and the Bergen of the Arctic circle edge in midsummer were 52% and 47%.The ratio between UV and Q in springtime at the Larsemann Hills was larger than that in other seasons and this phenomenon was not appeared in Naqu of the Qingzang Plateau and Bergen of the Arctic circle edge. That means decrease of ozone abundance in springtime at the Larsemann Hills not only obviously enhances UVB, but also has effect on the UV and Q,and their relations were basically met by the relationship of logarithmic line.