| 摘要: |
| 【目的】了解开阳县气象资料连续性、代表性和准确性受站址搬迁的影响，为今后开阳县气候资料的订正及应用提供科学依据。【方法】该文利用开阳国家基本气象站新旧站址2019年3月到2023年2月气温、降水、风向和风速4个观测要素观测资料，运用常规统计学方法和天气学方法对开阳县气温、降水和风进行分析。【结果】结果表明：由于受周围环境和下垫面性质影响，新址相较于旧址气温偏低0.2℃以上，风速偏大0.6 m·s-1以上。新址更易出现中雨以上量级的降水，当降水量级增加，降水强度偏差随之增大，降水一致性迅速减小。新址风向季节变化和日变化均比旧址明显，旧址9月至次年2月最多风向均为静风（C）；新旧站址全年风向较少出现偏西风，夏季基本稳定为偏南风，春季风向变化最大，存在明显日变化特征。【结论】总体来看，新址相较于旧址气温偏低、风速偏大、风向变化大；降水量级在中雨及以上时，新旧站址降水强度偏差增大，降水一致性减小。 |
| 关键词: 城市化;台站搬迁;资料订正;对比分析 |
| DOI： |
| 投稿时间：2024-02-21修订日期：2024-07-08 |
| 基金项目: |
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| Analysis on the difference of observation data between the old and new stations of KaiYang national basic meteorological station |
| DengJihai,HanChuanyong,ChenMei,XiongJin,HuangHaoyu,WangFu |
| (KaiYang Meteorological Bureau) |
| Abstract: |
| The object of this research is to understand the influence of station relocation on the continuity,representativeness and accuracy of meteorological data in KaiYang,and provide scientific basis for the correction and application of climate data in KaiYang in the future.Use the observation data of temperature,rain,wind direction and wind speed from March 2019 to February 2023 at the old and new stations of KaiYang National Basic Meteorological Station,were compared and analyzed by using conventional statistical methods and synoptic methods.The results show that due to influence of the surrounding environment and the nature of the underlying surface,the temperature of the new station is more than 0.2℃ lower than that of the old station,and the wind speed is more than 0.6 m·s-1.The new station is more prone to precipitation of moderate rain above magnitude.When the precipitation magnitude increases,the precipitation intensity deviation increases,and the precipitation consistency decreases rapidly.The seasonal and diurnal variation of wind direction in the new station is more obvious than old station.The most wind direction in the old station from September to February of the next year is calm wind.The wind direction of the new and old stations is less westerly wind throughout the year,and the wind direction is stable to southerly wind in summer.The wind direction changes the most in spring,and there are obvious diurnal variation characteristics.Overall, compared with the old station, the temperature of the new station is lower, the wind speed is larger, and the wind direction changes greatly.When the precipitation level is moderate rain or above, the deviation of precipitation intensity between the old and new stations increases, and the consistency of precipitation decreases. |
| Key words: urbanization;station relocation;data correction;comparative analysis |
