2002—2005年银川市紫外线指数的观测研究

Experimental study on ultraviolet index in Yinchuan during 2002—2005

为提高银川市紫外线指数预报的检验依据和水平对银川市2002—2005年的地面紫外线辐射观测资料进行了分析和研究.结果表明,银川市属于紫外线高辐射地区,全年有53%的时间紫外线出现“很强”的级别;在季节分布上,夏季紫外线辐射最强,春季次之,冬季相对较弱.

The analyses of observed data of ultraviolet from year 2002 to 2005 revealed that Yinchuan City lies in a region of hi ultraviolet radiance, and in 53% of all-year-round time ultraviolet radiance intensity is at ＂very high＂ level. In seasonality, the strongest ultraviolet radiation is summer, and spring ranks second, winter relatively weak.