摘要
利用实际监测资料,分析了40年中厄尔尼诺(Elnino)现象与黑龙江省降水距平之间的时空变化关系。结果发现,厄尔尼诺现象发生的当年及前一年,黑龙江省以春季4-6月份少雨干旱与夏秋季7,8月份(除厄尔尼诺年前一年的8月份外)多雨洪涝为主要气候特征;在厄尔尼诺年的下一年,春季4,6月份与秋季8,9月份一般具有少雨干旱的趋势。
Using actual observation data in forty years ,the paper established the spatiotemporal relation of El nino and precipitation anomaly in Heilongjiang Province.The result shows as follows:in El nino year and the last year,the climatic characteristics in Heilongjiang Province is drought with few of rainfall from April through June in spring and flood with abundant rainfall in July and August when summer is changing into antumn;and in the next year,the main trend of the climate is drought with few of rainfall in April and June in spring and in August and September in Autumn.
出处
《自然灾害学报》
CSCD
北大核心
2004年第5期103-107,共5页
Journal of Natural Disasters
基金
国家自然科学基金资助项目(40271044)
黑龙江省自然科学基金资助项目(G0213)
关键词
厄尔尼诺
降水
时空分布
趋势
Elnino
precipitation
spatiotemporal distrioution
trend