安徽农业科学2017，Vol.45Issue(13)：172-173,2.
三门峡市冬季严重干旱成因分析
Analysis on the Causes of Serious Drought in Winter in Sanmenxia City
摘要
Abstract
Taking the severe drought in Sanmenxia City from December 2008 to February 2009 as an example,using the conventional observation data and unconventional data of Sanmenxia station from 1958 to 2016,the causes of severe drought in winter were summarized by analyzing the historical data of single station and atmospheric circulation characteristics.The results showed that the precipitation in the summer and autumn of the previous year was low and the temperature was high,which was the cause of severe drought in winter.Early winter (December-January of the following year) for a long time without precipitation,the general corresponding to the winter would be a serious drought.The western Pacific subtropical high was weakened and the westerly belt with low trough activity was less,which was the direct cause of severe drought in Sanmenxia City.关键词
冬季干旱/环流特征/成因/三门峡市Key words
Drought in winter/Circulation characteristics/Cause/Sanmenxia City分类
农业科技引用本文复制引用
魏璐璐..三门峡市冬季严重干旱成因分析[J].安徽农业科学,2017,45(13):172-173,2.基金项目
三门峡市科技攻关计划项目(2015030310). （2015030310）
