气溶胶和水汽e型吸收对低层大气长波辐射冷却率的影响  

THE EFFECTS OF AEROSOL AND WATER-VAPOUR’Se-TYPE ABSORPTION ON LOWER ATMOSPHERICLONG-WAVE COOLING RATES

作　　者：苏文颖[1] 陈长和[1] 

机构地区：[1]兰州大学大气科学系

出　　处：《高原气象》1998年第2期120-126,共7页Plateau Meteorology

基　　金：国家自然科学基金

摘　　要：利用带模式方法计算了低层大气的长波冷却率。结果表明，在大气低层窗区ｅ型吸收的冷却率小于非窗区的水汽冷却率，约占总冷却率的１／３；气溶胶的长波冷却率小于水汽的冷却率，对总冷却率的贡献约为３０％；大气低层总冷却率的分布主要取决于水汽冷却率的分布。In this paper, we use the band model to calculate the atmospheric long-wave cooling rates. The results show in the lower atmosphere, the cooling rate of the water vapour e-type absorption of window region is less than that of non-window region and is about 1/3 of the total water vapour cooling rate. The long-wave cooling rate of aerosol is less than that of water vapour and its contribution to total atmospheric cooling rate is about 30%. The distribution of total cooling rate in the lower atmosphere is mainly determined the distribution of water vapor cooling rate.

关 键 词：带模式 e型吸收 气溶胶 冷却率 水汽 低层大气 

分 类 号：X513[环境科学与工程—环境工程] P421.31[天文地球—大气科学及气象学]