吉林省春季径流规律分析及预报方法

Analysis of runoff law and forecast method in spring of Jilin province

从探索吉林省春季径流发生规律和特点出发,选取了18个具有代表性的水文站,采用几种不同的方法,对吉林省春季径流影响因素进行了相关计算分析,揭示了吉林省干旱和湿润地区春季径流的差异,得出结论:吉林省西部发生春旱的年份明显多于春涝年,南部发生春旱与春涝年份相差不大,西部地区发生春旱的几率比南部多,西部发生春旱的程度远远大于南部。

The influence factors of runoff in the spring of Jilin province are analysed with 18 representativeness hydrologic station for probe the runoff law and characteristic in the spring using some different methodes. The result indicates that the runoff of spring in arid zone and humid zone is different: the arid year more than the waterlogging year in the west, the arid year and the waterlogging year in the south is approximately identical, the arid year in the west is more than the south, the arid level in the west is larger than the south.