摘要
通过对1989—2004年间陕北春季森林火灾发生期气象资料进行研究分析,指出春季2—5月份林火期气候特征、森林火灾易发期天气环流特征及林火的发生与冷空气活动密切相关.在春季森林火灾期地面气象要素也呈现出一定的变化规律.
Based on analysing of the meteorological datas during the spring forest fire in North Shaanxi province.It proved that the characteristics of climate and weather circulation during the forest fire in Feb.to May,the occurence of the fire and the moving cold air have closely related.The surface meteorological elements during the spring forest fire varied regularly.
出处
《延安大学学报（自然科学版）》
2004年第4期71-73,79,共4页
Journal of Yan'an University：Natural Science Edition
关键词
森林火灾
气象条件
气候
环流特征
forest fire
meteological condition
climate
characteristics of circulation
