1) regularity of drought and waterlogging
旱涝规律
2) Dry-wet Series
旱涝基本规律
3) drought law
干旱规律
4) Regularities of Drought
大旱规律
6) flood and drought
旱涝
1.
This paper conducts the computation classification for the spring flood and drought situation in He Zhou by using the spring precipitation data in four weather stations of He Zhou during 1965-2004,and the z index,and the index of regional flood and drought.
利用贺州市四站1965~2004年春季降水资料,运用z指数和区域旱涝指数对贺州地区春季旱涝情况进行计算分类,并对重旱涝典型年份500hPa环流特征量和4月平均环流场展开分析,发现:贺州地区春季极易发生局部旱涝灾情,90年代以来重旱涝年份出现频率明显增大;在重旱年副高强度强,西伸脊点明显偏西,南支槽偏西偏弱,极涡中心偏东,亚洲中高纬高度偏低,在重涝年则相反。
2.
The variabilities of the summertime flood and drought events over the lower reach of the Yangtze River Valley (YRV) are examined in this paper by employing monthly mean observation data from 1958 to 1999.
作者统计分析了 1 95 8～ 1 999年 42年长江中下游地区夏季 5～ 8月旱涝事件的分布特征。
补充资料：涝疏旱溉
1.谓庄稼受涝应疏通，受旱应灌溉。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条