摘要
本文通过分析山东市近40年夏季旱涝分布特征,利用NCEP再分析资料运用合成分析的方法,分析了影响当地夏季降水的大气环流异常特征,表明,山东夏季旱涝年,高纬度和极区环流、东亚大槽分布和西太平洋副高的位置和强度差异明显,涡度、散度等物理量也有明显的差异。
Based on summer rainfall over 17 stations for 1960-1999 in shandong province,flood and drought years are classified. By analysing the relationships between rainfall and atmospheric circulation the defferences were finded. The result shows that there are marked differences in springtime atmospheric circulation between the flood and drought years.
出处
《科技信息》
2014年第15期395-396,共2页
Science & Technology Information
关键词
夏季降水
旱涝
大气环流
Summertime precipitation in Shangdong
Province atmospheric circulation
Drought and flood
