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中国农学通报

中国农学通报 ›› 2010, Vol. 26 ›› Issue (3): 291-295.

• 农业科技信息 • 上一篇    下一篇

濮阳53年来汛期降水特征多时间尺度分析

刘平,吴建河,时风云,钟天华,徐文国,刘九玲,王建英,王超   

  • 收稿日期:2009-09-07 修回日期:2009-10-17 出版日期:2010-02-05 发布日期:2010-02-05

Analysis to the time scale on more precipitation in the flood season over 53 years in Puyang

  • Received:2009-09-07 Revised:2009-10-17 Online:2010-02-05 Published:2010-02-05

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摘要：

摘要：利用濮阳1954-2007年的汛期降水资料采用线性分析方法，分析濮阳汛期降水特点多时间尺度变化特征，结果表明：汛期总降水后30年呈减少变化趋势，7月份降水量最大，发生暴雨的次数最多，8月份的暴雨强度最大，7月、8月暴雨的发生都有连续和连年出现的特点。

关键词: 玉米, 玉米, 生产概况, 美国

Abstract:

Abstract: We use the precipitation documentation in the flood season over the year of 1954-2007 of Puyang to analyze the time scale changing characteristic of more precipitation of Puyang flood season in a linear method. It is found that the total precipitation of flood season shows a reducing trend in the later 30 years. There is a largest precipitation and most rainstorms in July. The most rainstorm strength takes place in August. The rainstorm has a characteristic of taking place continuously, even every year!