环境变化对三门峡国家基站气象要素影响分析

Influence Analysis of Environmental Change on Sanmenxia Station Meteorological Elements

利用三门峡国家基本观测站1971-2013年历史资料对比分析了探测环境变化对测站气象要素的影响。分析表明,随着探测环境破坏的日益严重,三门峡站气温升高、风速变小、风向趋于单一、日照时数减少,对云能天观测有严重影响,观测场渐渐形成了特殊的局地小气候条件,观测记录仅能反映测点的气象状况,并不能反映测点周围一定范围内的平均气象状况,观测资料失去了"代表性、准确性、比较性"。

This paper uses historical data of sanmenxia national basic observatory in 1971-2013 to compare and analyze the influences of detecting environment change on the station meteorological elements. Analysis shows that,along with the increasing seriousness of detecting environment damage,the temperature increases and wind speed decreases,wind direction tends to be single,and sunshine hours reduce in Sanmenxia station,which has serious influence on cloudy day observation,observation field gradually forms the special local microclimate condition,observation records can only reflect the meteorological condition of the measuring point instead of the average weather conditions around a certain range of the measured points,the observation data lost ＂representativeness,accuracy,and comparison＂.