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中文摘要: 重点分析了20世纪80年代以来,我国冬季持续偏暖、出现连续暖冬的成因。初步分析表明,我国气温存在着大约30年左右的年代际变化趋势,厄尔尼诺事件的发生、东亚冬季风减弱、西太平洋副热带高压增强、欧亚大陆积雪面积减小、火山活动减少以及温室效应等,都可能是造成我国冬季持续偏暖的主要因素。
中文关键词: 暖冬气候,成因分析,ENSO,西太平洋副高,东亚冬季风
Abstract:According to the analysis of the cause of warm winter climate from the 1980s,it indicates that there is a 30-year periodic temperature transformation in China,the main factors which result in continuance warm winters in China,may be the outbreak of El Nino Event,the weaken East Asia winter monsoon,the strengthened subtropical high in the west Pacific Ocean,the diminished snow cover in Europe and Asia,the decreased volcano activities,and the impact of greenhouse.
keywords: climate,warm winter,physical mechanism
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引用文本:
孙林海,赵振国,2004.我国暖冬气候及其成因分析[J].气象,30(12):57-60.
,2004.Analysis of Warm Winter in China[J].Meteor Mon,30(12):57-60.
孙林海,赵振国,2004.我国暖冬气候及其成因分析[J].气象,30(12):57-60.
,2004.Analysis of Warm Winter in China[J].Meteor Mon,30(12):57-60.