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剑河国家气象站迁站前后气象要素对比分析
Comparative Analysis of Meteorological Elements before and after the Relocation of Jianhe National Meteorological Station

DOI: 10.12677/CCRL.2024.131003, PP. 21-28

Keywords: 迁站,探测环境,山体,绕流,遮挡,整编
Station Relocation
, Detection Environment, Mountain Massif, Flow Around, Shelter, Reorganize (Troops)

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Abstract:

文章通过对剑河地面气象观测站1977~2006年迁站前30年与新址后11年的气象站观测资料进行对比分析,得出剑河迁站前、后气象要素存在一定的差异,两址周围探测环境不同、下垫面差异以及城市热岛效应等因素是气象要素观测值存在差异的重要原因。新站的探测环境与旧站相比相对较差,城市热岛效应与人类活动导致气温比旧站偏高;新站西边的山体及周围建筑物使风绕流,其阻碍效应消耗了空气水平运动的动能使风速比旧站小;新站西边的山体对太阳的遮挡使日照时数比旧站少。新站的探测环境较差,用新站资料来整编下一个30年气象资料会对日照有影响。
By comparing and analyzing the observation data of Jianhe Surface meteorological observation sta-tion in the 30 years before the station relocation from 1977 to 2006 and the 11 years after the new site, the paper concludes that there are some differences in meteorological elements before and af-ter the station relocation, and the important reasons for the differences in meteorological elements are the different detection environments around the two sites, the difference in underlying surface and the urban heat island effect. Compared with the old station, the detection environment of the new station is relatively poor, and the urban heat island effect and human activities lead to higher temperature than the old station. The mountain to the west of the new station and the surrounding buildings make the wind flow around, and its blocking effect consumes the kinetic energy of the horizontal movement of the air, making the wind speed smaller than that of the old station. The mountain to the west of the new station blocks the sun so that the number of sunshine hours is less than the old station. The detection environment of the new station is poor, and using the data of the new station to compile meteorological data for the next 30 years will have an impact on sunshine.

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