昌吉州近47年积雪变化特征分析  

Analysis on the Variation Characteristics of Snow Cover in Changji Prefecture in Recent 47 Years

作　　者：方雯 丁林 FANG Wen(Meteorological Service Center of Changji Prefecture Meteorological Bureau,Changji,Xinjiang 831100)

机构地区：[1]新疆昌吉州气象局气象服务中心,新疆昌吉831100 [2]新疆自治区气象局信息中心,新疆乌鲁木齐830000

出　　处：《农业灾害研究》2018年第4期41-42,共2页Journal of Agricultural Catastrophology

摘　　要：根据昌吉州下辖9个气象观测台站天池、吉木萨尔、奇台、木垒、玛纳斯、呼图壁、蔡家湖、阜康以及昌吉市的实测积雪资料,分析近47年来昌吉州的积雪变化特征。结果表明,昌吉州积雪日数呈波动减少,气候倾向率为-0.16 d/10年,积雪深度逐年递增,气候倾向率为0.844 cm/10年。尤其是1月和2月积雪日数稳定偏多,冬季降水向极端化发展。冬季增温和全球近年来冬季气温增高的变化趋势相一致。According to the observed snow data of 9 meteorological observation stations in Changji Prefecture, including Tianchi, Jimusaer, Qitai,Mulei, Manas, Hutubi, Caijiahu,Fukang and Changji City, the variation characteristics of snow cover in Changji Prefecture in recent 47 years were analyzed.The results showed that the number of snow cover days decreased in fluctuation, and the climate trend rate was-0.16 d/10 a. The depth of snow cover increased year by year, and the climate trend rate was 0.844 cm/10 a.Especially in January and February, the number of snow cover days was relatively high and stable, and winter precipitation had an trend of extremeness.

关 键 词：昌吉州 积雪日数 积雪深度 变化特征 

分 类 号：P426.635[天文地球—大气科学及气象学]