摘要
利用我们研制的太阳一大气紫外光谱辐射计，从１９９２年５月在长春开始试验了野外观测，监视到达地表的太阳直射和大气散射紫外光谱辐射，主要给出长春地区地面紫外辐射，特别是紫外（ＵＶ）Ｂ段（２８０～３２０ｕｍ）光谱辐射的一些基本特点和初步统计特征。由于地表ＵＶ—Ｂ辐射对生态系统和人类健康有危害作用，其强度随着臭氧减少而增加。该项观测分析将有助于监测和研究臭氧层变薄的实际效应。
As one part of global research,. surface UV Spectral radiance observation began in Changchun, China in May 1992 and later in Beijing. UV spectral radiance has been observed with an absolute--calibrated UV spectroradiometer developed by the Changchun Institute of Optics and Fine Mechanics, Chinese Academy of Science. This paper describes the instrument and the observation, analyzes the statistics of UV--B and UV--A radiances, the ratio spectra of diffused over global radiances as well as ratio spectra for different solar zenith angles. Observations are compared with calculations by radiative transfer models.
出处
《大气科学》
CSCD
北大核心
1996年第3期343-351,共9页
Chinese Journal of Atmospheric Sciences
基金
国家自然科学基金
委重点基金
