Abstract：Taking the abnormal accumulated sunshine hours caused by the failure of DFC2 photoelectric digital sunshine meter as an example,this paper makes statistical analysis on the characteristics of accumulated sunshine hours,sunrise and sunset time during the failure period.It is concluded that most of the observed sunrise time during the failure period is earlier than other stations,and the sunset time is later than other stations.Generally speaking,the sunshine time is obviously too much.According to the measurement principle of photoelectric digital sunshine meter,the equipment failure is judged by terminal commands,and other reasons that may cause sunshine measurement deviation in practical work are analyzed.Combined with the current ISOS business terminal software and the current business regulations,the abnormal data are processed.
崔晓霞. DFC2光电式数字日照计数据偏差问题研究[J]. 气象水文海洋仪器, 2022, 39(1): 74-76.
Cui Xiaoxia. Study on data deviation of DFC2 photoelectric digital sunshine meter. Meteorological Hydrological and Marine Instrument, 2022, 39(1): 74-76.
2022, Vol. 39 
