| 香河站太阳辐射识别晴空方法的评估 |
| |
| 作者单位： | Key Laboratory of Middle Atmosphere and Global Environment Observation,Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing,China;University of Chinese Academy of Sciences,Beijing,China;Key Laboratory of Middle Atmosphere and Global Environment Observation,Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing,China;University of Chinese Academy of Sciences,Beijing,China;Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters,Nanjing University of Information Science&Technology,Nanjing,China |
| |
| 基金项目： | This work was supported by the National Key R&D Program of China，grant number 2017YFA0603504;and the National Natural Science Foundation of China，grant number 41875183;the Strategic Priority Re-search Program of the Chinese Academy of Sciences，grant number XDA17010101 |
| |
| 摘 要： | 根据位于华北平原的重污染站点——香河5年的分钟级别地表太阳辐射和人工订正的全天空成像仪数据,对21种晴空识别(CSD)方法进行了评估:晴空识别准确率较高的方法云天识别准确率较低,反之亦然;由于CSD方法采用的参数阈值不适用于污染情况,当气溶胶含量增加时,识别准确率呈下降趋势.研究结果显示,利用太阳辐射数据识别晴空的方法在高污染地区使用时需进行改进.
|
| 关 键 词： | 晴空识别 太阳辐射 污染 全天空成像仪 |
| 本文献已被 万方数据 等数据库收录！ |
|
