摘要
本文利用天气图、气象要素探讨了１９９３年５月５日发生在我国西北地区特大沙尘暴过程的天气形势、气候背景。对其发展加强的动力、热力学机制及人为因素进行了分析阐述。
In this paper , the favourable synoptic situation and climate background for an extraordinary heavy sandstorm weather process over northwest area , which occurred on May 5-6,1993,has been studied using weather maps and meteorologi-cal elements. The features of movement,development and the influence of the ther-modynamical mechanisms and human activities for the sandstorm has been analyzed also.
出处
《北京大学学报（自然科学版）》
CAS
CSCD
北大核心
1994年第5期583-588,共6页
Acta Scientiarum Naturalium Universitatis Pekinensis
关键词
沙尘暴
天气形势
气候背景
风沙流
sandstorm
synoptic situation
thermodynamical mechanisms condition
climate background
human activities
