摘要
利用西安咸阳国际机场2011~2020年的地面气象观测资料,统计分析了近十年本场降水特征,包括:降水量及降水日数的年际变化特点;月平均降水量和降水日数的气候态;降水强度的气候统计;降水类型的分布特点;雷雨天数统计;降雪和积雪特征分析。得出如下结论:咸阳机场的全年降水表现为夏季多、冬季少,其中夏季降水强度最大,秋季次之,春季降水强度较小,冬季最小。近十年内,连续性降雨出现最多,阵性降雨发生较少,降雪发生频次最少。雷雨天气出现频率的年际差异较大,与ENSO的冷暖事件有较好的对应关系。上述气候特征对于咸阳机场的气象防灾减灾、民航交通运输以及生产生活等方面都具有一定的意义和指导价值。
Based on the ground meteorological observation data from 2011 to 2020 at Xi’an Xianyang International Airport, the precipitation characteristics of the airport in the past decade are analyzed, including the annual variation characteristics of precipitation amount and precipitation days, the climatic state of monthly average precipitation amount and precipitation days, the climatic statistics of precipitation intensity, the distribution characteristics of precipitation types, the statistics of thunderstorm days, and the analysis of snowfall and snow cover characteristics. The following conclusions are drawn: the annual precipitation at Xianyang Airport is more in summer and less in winter, with the highest precipitation intensity in summer, followed by autumn, and the lowest in winter. In the past decade, continuous rainfall occurred most frequently, while convective rainfall occurred less frequently, and snowfall occurred least frequently. The annual difference in the frequency of thunderstorm weather is significant, and corresponds well with the cold and warm events of ENSO. The above-described climate characteristics have a certain significance and guidance value for the meteorological disaster prevention and reduction, civil aviation transportation, production, and life at Xianyang Airport.
出处
《气候变化研究快报》
2023年第3期522-529,共8页
Climate Change Research Letters
