摘要
根据2001年4～9月份在腾格里沙漠沙坡头站进行的为期6个月的地面多波段太阳直接辐射观测结果,讨论了仪器的定标、气溶胶的不同波段光学厚度及其变化规律。结果表明,仪器的定标合理;腾格里沙漠地区的气溶胶光学厚度在不同天气状况下的变化有很大差别,而总体光学厚度较大,时空变化较大;但在同等条件下,各波段变化规律基本一致;不同天气状况下存在不同的气溶胶分布特征。
Based on the data of surface multiband (450～900 nm) solar radiant flux observed at Shapotou station of Tengger desert during April～September 2001, the calibration of instrument, the changes of aerosol depth in different wavelengths and its changing rule were discussed. The results show that the calibration of instrument is reliable to the special photometer. In the different weather condition, the changes of aerosol optical depth in the Tengger desert area exist obvious different, namely the total optical depth is high and temporalspatial varication is significant. But under the same weather condition, the changing rules of different wavelengths were nearly consistent. There are different aerosol size distributions in the weather condition.
出处
《高原气象》
CSCD
北大核心
2003年第6期613-617,共5页
Plateau Meteorology
基金
国家自然科学基金项目(40005002)
973项目(G2000048703)资助
