都江堰气象站CAWS 600 S与DZZ 5自动气象仪器及其观测数据对比分析

目的]为了确保气候统计资料的准确性和连续性,研究都江堰自动站CAWS 600S型与DZZ 5型的设备及其观测数据的差异。方法]对2种自动气象站的硬件、软件、对时与采样和算法进行对比分析;对两站2015年的逐日气象观测数据进行差值平均值和超差率分析。结果]DZZ 5型自动站的仪器更先进,2种自动气象站的观测数据存在一定的差异。结论]DZZ 5型自动站相对CAWS 600S型自动站而言有较大的改进和创新,测量的气象数据更准确。

Comparative Analysis of CAWS 600S and DZZ 5 Automatic Meteorological Instruments and Observational Data in Dujiangyan Meteor-ological Station

Objective] The research aimed to ensure the accuracy and continuity of climatological data, the difference of equipment and its ob-served databetween CAWS 600S and DZZ 5 of Dujiangyan automatic station and its observation data was studied.Method]Two automatic weather station of hardware, software, time synchronization and sampling algorithm were compared and analyzed.On two stations in 2015 the daily obser-vation data difference average value and ultra slip were analyzed.Result]The equipment of DZZ 5 Automatic station more advanced than that of CAWS 600S automatic station.There were some differences in observation data between two kinds of automatic weather stations.Conclusion] DZZ5 type automatic station is relatively large improvement and innovation , the measurement of the weather data is more accurate and more accu-rate.