乌鲁木齐市紫外线辐射强度指数特征分析

摘要

Based on the ultraviolet radiation intensity data of Urumqi, the variation features of ultraviolet radiation intensity and it＇s maximum value were studied. In addition, the relationship between ultraviolet radiation intensity and meteorological factors such as precipitation and highest temperature were also be discussed. The results show that, the ultraviolet radiation intensity of Urumqi has increased over resent years. The days of intensive ultraviolet radiation are one-third of the total days, and the intensity of daily maximum ultraviolet radiation in summer is 10 times in winter. There is a good relationship between highest temperature and ultraviolet radiation intensity index.%利用乌鲁木齐市建立紫外线辐射强度观测以来的5a资料，统计分析了乌鲁木齐市紫外线辐射强度随时间（年、月、日）的基本变化特征，紫外线辐射强度最大值的时间分布特征，以及紫外线辐射强度与气象要素降水量、日最高气温的关系。结论表明，乌鲁木齐市紫外线辐射强度有逐年缓慢增大的趋势，强紫外线辐射日数达全年的1／3多，日最大紫外线辐射强度夏季是冬季的10倍。日最高气温与紫外线辐射强度指数的对应关系较好。