晴天地面太阳紫外总辐射的观测结果和统计计算方法

THE OBSERVATION RESULTS AND THE STATISTICAL METHODS FOR CALCULATION OF THE SOLAR ULTRAVIOLET RADIATION AT THE EARTH'S SURFACE UNDER CLEAR SKY CONDITION

利用1990年至1991年24个月北京地区的太阳分光辐射观测资料和常规气象观测资料,分析了晴天条件下地面太阳紫外总辐射的变化规律,给出了用于计算晴天条件下到达地面的太阳紫外总辐射的两种公式,并计算了因臭氧总量减少引起地面太阳紫外总辐射增加的百分率。

Two formulas for calculation ot the solar ultraviolet radiation reaching the ground surface from observation data of the solar radiation and other conventional meteorological parameters in the Beijing district from January through December of 1990 are given. Calculation results are compared with that obtained by observation and good agreement has been obtained among them. The increase of percentage of the solar ultraviolet radiation reaching earth's surface caused by the decrease of total ozone amount in clear sky condition is also estimated.