[1]吴志科,卿湘涛,王心中,等.湘西自治州日照气候特征及影响因素分析[J].气象研究与应用,2014,35(03):36-43.
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湘西自治州日照气候特征及影响因素分析()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第35卷
期数:
2014年03期
页码:
36-43
栏目:
天气气候
出版日期:
2014-06-30

文章信息/Info

作者:
吴志科1 卿湘涛1 王心中1 罗霄1 周延洲2 卿晨雨2
1.湘西自治州气象局,湖南 吉首市,416000;2.保靖县气象局,湖南 保靖 416500
关键词:
日照特征因素
摘要:
应用线性分析,小波分析、M-K突变检验等方法对湘西自治州 1960 ~2013 年各县(市)日照时数地域分布特征、年变化特征进行分析。结果表明: 湘西自治州近54a年均日照时数总体呈减少趋势,但只有个别站表现较为明显。年日照时数从地域分布来看,总体东南多西北少,但在不同的月份有不同的特征,与省内同纬度台站比较,湘西自治州各地日照时数在冬半年偏少明显;各县(市)年日照时数存在较为明显准2a、准5a、准16a、准28a时间特征尺度;M-k突变检验,总体平均值在1970s后期存在一次明显的突变,但个别县(市)部分站突变不明显;湘西自治州日照时数各季节的变化与控制本地天气系统的季节变化有较好的相关性。

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更新日期/Last Update: 1900-01-01