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Analysis of spatial and temporal characteristics of freezing weather phenomena |
Zhang Miaomiao, Zhu Hualiang, Liu Huilan |
Anhui Meteorological Information Center,Hefei 230031 |
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Abstract Based on the daily observation data of 842 national ground observation stations in China from 1961 to 2017,the author extracted and generated the freezing weather phenomenon sequence,and statistically analyzed the spatial distribution of freezing days,the long-term change trend and abnormal sequence of freezing weather phenomenon in China.The results show that the freezing days in the north of China are more than those in the south,and there is a significant correlation between the freezing days and latitude.The overall freezing days in China showed a downward trend,and the change rate is decreasing per 10 years 2.3 days.Most of the freezing anomaly sequence years are concentrated in 2010-2013 and 1965-1973.In addition to the sequence anomaly caused by the adjustment of observation business,the lack of quality control of the observation data of freezing weather phenomena is also an important reason for the sequence anomaly.The research results provide support for the analysis of weather phenomena.
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Received: 26 March 2023
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[1] |
中国气象局.地面气象观测规范[M].北京:气象出版社,2003.
|
[2] |
张志富,希爽,余予,等.1961-2012年中国5类主要冰冻天气的气候及变化特征[J].冰川冻土,2015,37(6):1435-1442.
|
[3] |
李丽,简茂球.粤西北霜冻天气的气候统计特征[J].广东气象,2010,32(6):1-4.
|
[4] |
余予,任芝花,孟晓艳.中国结冰现象序列的建立及气候变化分析[J].高原气象,2018,37 (2):553-559.
|
[5] |
黄晓龙,王丽伟,吴薇,等.基于观测事实的四川天气现象发生空间分布特征[J].高原山地气象研究,2018,38(2):15-22.
|
[6] |
李迅,尹志聪,丁德平,等.北京地区高速公路道面结冰特征及气象条件[J].应用气象学报,2012,23(5):578-584.
|
|
|
|