[1]邝美娟,谢红霞,隋兵,等.湖南省近50年降水特征分析[J].水土保持研究,2013,20(05):145-149.
　KUANG Mei-juan,XIE Hong-xia,SUI Bing,et al.Analysis on Spatiotemporal Characteristics of Precipitation in Hu’nan Province from 1961 to 2010[J].Research of Soil and Water Conservation,2013,20(05):145-149.
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湖南省近50年降水特征分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 20 期数: 2013年05期 页码: 145-149 栏目: 出版日期: 2013-10-28
Title:
Analysis on Spatiotemporal Characteristics of Precipitation in Hu’nan Province from 1961 to 2010
作者:
邝美娟1, 谢红霞1, 隋兵2, 王翠红1, 宋迪思3, 李妲3
1. 湖南农业大学 资源环境学院, 长沙 410128;
2. 湖南省气象研究所, 长沙 410007;
3. 湖南农业大学 东方科技学院, 长沙 410128
Author(s):
KUANG Mei-juan1, XIE Hong-xia1, SUI Bing2, WANG Cui-hong1, SONG Di-si3, LI Da3
1. College of Resources and Environment, Hu’nan Agricultural University, Changsha 410128, China;
2. Hu’nan Meteorological Institute, Changsha 410007, China;
3. Orient Science & Technology College, Hu’nan Agricultural University, Changsha 410128, China
关键词:
降水特征; 年际变化; 年内变化; 湖南省
Keywords:
precipitation characteristics;  intra-annual variation;  inter-annual variation; Hu’nan Province
分类号:
P468.0+24
摘要:
利用湖南省21个站点1961—2010年的日降水量数据和数理统计方法分析了近50 a湖南省年、季、月降水特征，以期为水资源的开发和防洪等提供数据参考。结果表明：（1）湖南省降水量主要集中在4—8月，占全年的63.09%；春夏两季多雨，约占全年降水量的36%和35%，秋冬两季少雨，仅占17%和12%。（2）降水最大年份2002年达1 964.95 mm，最小年份1974年仅为1 104.19 mm，各年代年平均降水量比较接近，介于1 354.00~1 513.08 mm之间；（3）全省多年平均暴雨量为305.75 mm，主要集中在5—8月，50 a年平均暴雨发生次数为4.1次；年暴雨量最大值为572.07 mm，出现在2002年，而最少的年份仅有150.12 mm，出现在1985年。总之湖南省降水量和暴雨量年内分布不均匀，季节变化明显，年际变化幅度较大，应按降水时空特征合理利用水资源且做好防洪措施。
Abstract:
Based on the daily rainfall data at 21 stations in Hunan Province, the spatiotemporal features of annual, seasonal and monthly rainfall in the period of 1961 to 2010 were analyzed in order to provide data support for sustainable use of water resource and flood controlling. The results were as follows: The rainfall in Hu’nan Province mainly occurred from April to August, which accounted for 63.09% of total precipitation of the whole year. Rainfall in spring and summer occupied 36% and 35% of the annual precipitation while 17% and 12% in autumn and winter. The maximum value of annual precipitation was up to 1 964.95 mm and the minimum value was only 1 104.19 mm. The average rainfall of every decade was closely and the decade precipitation from 1960 to 2010 was between 1 354.00 mm and 1 513.08 mm. The average amount of rainstorm precipitation was 305.75 mm occurring mainly from May to August from 1961 to 2010, and the average event frequence of torrential rain was 4.1 every year. The maximum value of annual torrential rain was up to 572.07 mm and the minimum value is only 150.12 mm. Results showed that the distributions of rainfall and heavy rainfall during the year in Hu’nan Province were largely different and seasonal characters of precipitation and torrential rain were obvious. In additon, the differences among inter-annual precipitation and heavy rainfall were great. It was necessary to make use of water resources suitably and to take practice against flood according to the spatiotemporal characteristics of rainfall.

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备注/Memo

收稿日期:2012-12-19;改回日期:2013-04-02。
基金项目:湖南农业大学东方科技学院科技创新项目（DFCXY201111）
作者简介:邝美娟(1990-),女,湖南永兴人,硕士研究生,主要研究方向:土壤环境生态学。E-mail:kwong0404@163.com
通讯作者:谢红霞(1973-),女,湖南岳阳人,博士,讲师,主要研究方向:城乡国土资源评价、环境遥感与GIS。E-mail:xiehongxia136@sina.com

更新日期/Last Update: 1900-01-01