[1]谢敏,陆虹,何慧,等.近55a南宁冬末春初日照时数气候变化特征分析[J].气象研究与应用,2017,38(04):13-17.
　Xie Min,Lu Hong,He Hui,et al.Climate change characteristics of sunshine hours in the late winter and early spring of Nanning in the recent 55 years[J].Journal of Meteorological Research and Application,2017,38(04):13-17.
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近55a南宁冬末春初日照时数气候变化特征分析()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第38卷
期数:
2017年04期
页码:
13-17
栏目:
天气气候
出版日期:
2017-12-29

文章信息/Info

Title:
Climate change characteristics of sunshine hours in the late winter and early spring of Nanning in the recent 55 years
作者:
谢敏1;  陆虹1;  何慧1;  廖雪萍2;  李耀先2
1. 广西区气候中心, 南宁 530022;
2. 广西气象减灾研究所, 南宁 530022
Author(s):
Xie Min1;  Lu Hong1;  He Hui1;  Liao Xueping2;  Li Yaoxian2
1. Guangxi Climate Center, Nanning Guangxi 530022;
2. Meteorological Disaster Alleviation Research of Guangxi, Nanning Guangxi 530022
关键词:
日照时数; 变化特征; 气候倾向率; 突变分析; 南宁
Keywords:
sunshine duration; none-sunshine days; climatic trend
分类号:
P46
摘要:
利用南宁1961-2015年1-3月逐日日照时数资料，运用气候倾向率、M-K突变检验方法和Morlet小波分析等方法，分析近55 a南宁1-3月总日照时数、总无日照日数的气候变化特征，以及影响南宁日照变化的气象因子。结果表明：1-3月南宁总日照时数呈显著减少趋势，气候倾向率是-16.13h·（10a）-1，年际变化较大，最多年与最少年相差321.9h，存在明显的11-12a周期；而南宁1-3月无日照日数序列的变化趋势与日照时数相反，呈显著增加趋势，趋势系数为2.21d·（10a）-1，存在20-21a变化周期；南宁1-3月总日照时数和总无日照日数分别在1973年和1978年发生了突变；近55a来1-3月日照时数减少而无日照日数增加的趋势明显，使南宁冬春季低温寡照的气候特征更加突显。低云量和总云量是影响南宁日照变化的主要因素。
Abstract:
In order to provide some helpful advices for the agriculture production, we analyzed climate change of the total sunshine hours and the total none-sunshine hours in Nanning from January to March by using climatic trend rate, m-k catastrophe test, and Morlet wavelet analysis. The analysis was conducted by the meteorological factors which influenced the sunshine change. The results showed that:the total sunshine hours of Nanning from January to March decreased significantly and its climatic tendency was -16.13h/10a, which had a great yearly variation. The difference between the year maximum and minimum was 321.9h. The trend of none-sunshine hour series from January to March in Nanning increased significantly and was opposite to that of sunshine hours. The trend coefficient was 2.21d/10a and there were obvious periodic variations of 20-21a. The total sunshine hours and total none-sunshine hours from January to March in Nanning mutated in 1973 and 1978. The key constraints which had an impact on sunshine change in Nanning were low cloud cover and total cloud cover.

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备注/Memo

备注/Memo:
收稿日期:2017-05-16。
基金项目:广西自然科学基金项目（2013GXNSFAA019283）国家自然基金项目（41565005）
作者简介:谢敏(1985-),女,广西北海市人,硕士,工程师,主要从事气候变化研究、气候监测评价与灾害风险评估等工作,E-mail:xm409680373@163.com
通讯作者:陆虹(1966-),女,广西钦州市人,硕士,高级工程师,主要从事气候与气候变化研究,E-mail:LUHONG0908@163.com
更新日期/Last Update: 1900-01-01