[1]王宇.广西天峨近44年来不同等级降水量与降水日数变化特征[J].气象研究与应用,2015,36(03):53-58.
　WANG Yu.The different levels precipitation and precipitation days variation characteristics Tian e of Guangxi in recent 44 years[J].Journal of Meteorological Research and Application,2015,36(03):53-58.
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广西天峨近44年来不同等级降水量与降水日数变化特征()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第36卷
期数:
2015年03期
页码:
53-58
栏目:
天气气候
出版日期:
2015-12-22

文章信息/Info

Title:
The different levels precipitation and precipitation days variation characteristics Tian e of Guangxi in recent 44 years
作者:
王宇
天峨气象局, 广西天峨 547300
Author(s):
WANG Yu
Tian e Meteorological Bureau in Guangxi, Tiane 547300, Guangxi, China
关键词:
天峨; 降水量; 降水日数; 变化特征
Keywords:
Tiane; Precipitation; Rainydays; Variation characteristics
分类号:
P468
摘要:
利用天峨1971-2013年逐日降水量资料,利用线性趋势和Mann-Kendall突变检验等方法,对天峨不同等级降水量和降水日数的变化特征进行分析。结果表明:年降水量和降水日数均呈减少趋势,降水日数的减少更加显著;小雨量(日数)呈极其显著的减少趋势,中雨量(日数)和大雨量(日数)呈不显著的减少趋势,暴雨量(日数)则呈增加趋势。年降水日数、小雨量(日数)、中雨日数、大雨量、暴雨量(日数)突变特征明显;年降水量(日数)、小雨量(日数)、中雨量(日数)、均有一致的22a主周期变化,而大雨量(日数)均有一致的20a主周期变化,暴雨量(日数)均有一致的26a主周期变化。
Abstract:
Based on Tiane daily precipitation data from 1971 to 2013, using the linear trend, Mann-Kendall test, wavelet analysis etc, analysis Tiane different grade change characteristics of precipitation and precipitation days. The results showed that the annual precipitation and precipitation days all showed a trend of decrease, the decrease of precipitation days even more significant. Small precipitation (days) was extremely significant decreasing trend, the moderate precipitation (days) and large precipitation (days) were not significantly reduce trend, storm precipitation (days) were increased. Annual precipitation days, small precipitation (days), moderate precipitation (days), large precipitation, storm precipitation (days) the characteristic of mutation were obvious. Annual precipitation (days) and small precipitation (days), moderate precipitation (days) had consistent 22a main cycles, the large precipitation (days) were consistent with the 20a main cycles, the storm precipitation (days) were consistent with 26a main cycles.

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备注/Memo

备注/Memo:
收稿日期:2015-4-19。
作者简介:王宇(1988-),男,广西河池人,助理工程师,主要从事地面综合气象观测,qixiangziliao@sina.com
更新日期/Last Update: 1900-01-01