陕西冷暖冬年的标准及平均环流特征分析  

The Standards of Colder and Warmer Winters in Shaanxi Province and Their Atmospheric Circulation Characteristics

作　　者：贺皓 罗慧 高红燕[1] 李建科[1] 

机构地区：[1]陕西省专业气象台

出　　处：《高原气象》2007年第4期759-764,共6页Plateau Meteorology

基　　金：陕西省气象局"城市生态环境预报评估服务信息系统"项目资助

摘　　要：采用4个月平均（11月～2月）代表冬季，根据陕西1951年以来53年的历史资料，应用地面月平均气温、月平均最低气温和月平均最高气温统计量，讨论了“冷”和“暖”冬季的标准，给出了1951—2003年陕西“冷”和“暖”冬季的划分及异常年份，最后给出了“冷冬”和“暖冬”的环流特征。The four months are chosen as the winter, i.e. November, December and the subsequent January, February. Based on the data of the last 53 years from 1951 to 2003, the mean monthly surface air temperatures, mean monthly maximun and minimun air temperatures are statistically analyzed, then discussed the standards of colder and warmer winters, the every winter from 1951 to 2003 are divided into normal- warmer- and colder- winters. Among them, extreme abnormal warmer and colder winters were put forward due to the deviation of these three statistic factors. Finally, the circulation characteristics corresponding to the colder and warmer winter were presented.

关 键 词：陕西省 冷 暖冬 地面气温 环流特征 

分 类 号：P423[天文地球—大气科学及气象学]