| 南靖县汛期暴雨气候特征及其对农业的危害性分析 |
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| 引用本文： | 庄丽玲,卢邹辉,李景祥.南靖县汛期暴雨气候特征及其对农业的危害性分析[J].亚热带农业研究,2008,4(3). |
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| 作者姓名： | 庄丽玲 卢邹辉 李景祥 |
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| 作者单位： | 福建省南靖县气象局,福建,南靖,363600 |
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| 摘 要： | 暴雨是最重要的灾害性天气之一,对农业生产造成严重影响。对1960-2005年南靖县汛期暴雨气候分析表明,前汛期暴雨主要集中在5月下旬-6月中旬,后汛期暴雨主要出现在8月上旬、8月下旬和9月上旬。汛期暴雨日数的年际变化呈现出3年周期,前汛期与后汛期暴雨日数存在反位相关系,大暴雨日数月际分布呈现双峰型,从20世纪90年代起出现大暴雨的几率明显增大。产生暴雨的天气系统,前汛期主要是低层切变线,后汛期主要是热带气旋。针对南靖县暴雨特征提出了减轻汛期暴雨对农业生产造成危害的具体措施。
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| 关 键 词： | 南靖县 汛期暴雨 农业生产 天气系统 |
Analysis of rainstorm climate in the flood season and its harm to agriculture in Nanjing County |
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| ZHUANG Li-ling,LU Zou-hui,LI Jing-xiang.Analysis of rainstorm climate in the flood season and its harm to agriculture in Nanjing County[J].Subtropical Agriculture Research,2008,4(3). |
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| Authors: | ZHUANG Li-ling LU Zou-hui LI Jing-xiang |
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| Abstract: | Rainstorm is one of the important disastrous weather,and seriously damages agricultural production.The 1960-2005 Nanjing County flood season rainstorm climate diagnosis indicated that the first flood season rainstorm mainly concentrated in late May to mid-June.The latter flood season rainstorm mainly appeared in early August,late August and early September.The annual variation of the days for the flood season rainstorm presented in three-year period.Between the first flood season and the latter flood season rainstorm days there was trans-position relationship.The monthly distribution of the days for strong rainstorm presented the twin-peak curve.From the 1990s,the probability of appearing the strong rainstorm increased obviously.The weather system producing the rainstorm was mainly the underlying bed shear line in the first flood season and the tropical cyclone in the latter flood season.In view of the Nanjing County rainstorm characteristics,we propose the specific measures that reduce its harm to the agricultural production. |
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| Keywords: | Nanjing County flood season rainstorm agricultural production weather system |
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