我国散射照度的计算及其地区分布

THE COMPUTATION OF DIFFUSE ILLUMINATION AND ITS REGIONAL DISTRIBUTION IN CHINA

中文摘要:

      散射光照度与农业生产、建筑采光等均有密切关系。然而由于没有常规的光气候资料,我国散射照度时空分布状况,至今尚无人研究。目前,国内外是根据一些日射站进行的照度与太阳辐射同步观测资料,在获得辐射光当量的基础上,利用累年的辐射资料间接计算各地的光气候值^[1-3]。本文根据1983-1984年国家气象局气象科学研究院和建筑科学研究院在北京、黑河、长春、二连、乌鲁木齐、西安、上海、玉树、西宁、长沙、重庆、福州、昆明、广州等14个日射站进行每日逐时的自然光照与太阳辐射同步观测资料,获得了这些测站的散射辐射光当量值,并利用相应测站的地理和有关气象因子,拟合了计算我国各测站全年和各月平均的日散射辐射光当量值多元回归方程,计算了我国约500个侧站的全年和各月平均的日散射辐射光当量值。在此基础上.我们获得了各测站全年和各月平均的散射照度日总量,绘制了我国全年和各月平均的散射照度日总量分布图。

英文摘要:

      In this paper, the light equivalent of diffuse radiation for 500 observational stations was calculated by means of the multivariate regression equations which were obtained by the data of 14 observational stations. The diffuse illumination is given by the equivalent of diffuse radiation multiplying the diffuse radiation The mean daily amount of annual and monthly illumination were obtained, and the corresponding distribution charts were ploted.