中国气象辐射观测站总辐射表稳定性统计分析

Statistical Analysis of Stability of Total Radiation Meters at National Meteorological Radiation Observation Stations

利用中国辐射台站元数据集,收集整理了1990—2012年全国业务用总辐射表计量性能参数。对全国辐射观测站的总辐射表的稳定性进行统计分析,统计分析结果表明中国台站业务观测使用的国产总辐射表稳定性56.1%满足WMO高质量的要求,其中63.4%满足良好质量的要求,76.8%满足中等质量的要求。91%满足我国总辐射表计量检定规程1年稳定性在5%以内的要求,94.8%满足2年稳定性在8%以内的要求。国产总辐射表的稳定性基本满足使用要求,且其长期稳定性状态良好。同时分析处理形成了新的标记明显误差和疑问的总辐射表灵敏度统计分析结果的辐射台站元数据集,对全国辐射数据的应用和质量评估起到借鉴作用。

Based on the results of the basic data construction radiation（Metadata Set of Radiation Stations）,the metrological performance parameters of the national operational total radiation meters from1990 to 2012 are collected and analyzed.The stability of total radiation meters at national radiation observation stations is analyzed statistically,and the results show that the stability of 56.1% domestic total radiation meters used in the operational observation of China meets the high quality requirements of WMO;63.4% meets the good quality requirements;and 76.8% meets the medium quality requirements;91% meets the requirements of one-year stability within 5% of the Total Radiation Meter Metrological Calibration Regulation of China;94.8% meets the requirements of 2-year stability within 8%.The stability of China＇s domestic total radiation meters basically meets the requirements,and its long-term stability is good.At the same time,a new radiation metadata set of radiation observation stations,which has marked the obvious errors and questions and includes the statistical analysis results of the total radiation sensitivity,is formed.It can be used as a reference for the application and quality evaluation of national radiation data.