摘要
为了研究地震与气候异常的关系,从地震活动的角度对2011年发生在我国的4次成灾性气候异常进行了分析。结果表明,2011年长江中游春、夏季大旱的直接原因是3月24日发生在缅甸的7.2级地震;长江中下游6月上旬出现旱涝急转则与3月11日日本东部的9.0级地震及缅甸地震密不可分;鄂赣交界发生的4.6级地震对黄河中游秋汛的影响最为明显,这是"震侧强涡"造成的结果;2012年1月贵州冻雨较多也是受到印度锡金和我国东海两个地震形成的"拍涡"影响,这表明地震活动是影响天气、气候变化的可能原因之一。
Four major climate anomalies of China in 2011, including severe drought in the middle reach of Yangtze River in spring and summer, the drought-flood abrupt alternation in the middle and lower reaches of the Yangtze River in early June, the autumn flood in middle reach of the Yellow River and freezing rain in winter of Guizhou are analyzed. The results show that they are well related with earthquakes. When the earthquake occurred, the geothermal vortex will develop that lead to precipitation increasing in this ar- ea. And after a period of earthquake, the geothermal vortex will weakened that cause to precipitation re- ducing. It is the result of big underground cold vortex. When two earthquakes occurred in one year, the beat vortex will form in the middle of them and it has a tremendous impact to flood.
出处
《高原气象》
CSCD
北大核心
2013年第3期904-908,共5页
Plateau Meteorology
基金
国家973计划项目(2008CB425704)
国家自然科学基金项目(40975049)共同资助
关键词
地震
大地冷涡
拍涡
震侧强涡
Earthquake
Ground cold vortex
Beat vortex
Strong vortex on the side of earthquake
作者简介
作者简介：梁丰（1987-），男，辽宁朝阳人，硕士研究生，主要从事气候变化与短期气候预测研究．E-mail：she3she3@163．com
