PEI Yu-hang,SUN Shuang,WANG Chun-li.Analysis on Variation Characteristics of the Sunshine Durationof Recent 50 Years in Heilongjiang Province[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(08):41-43.
黑龙江省近50年日照时数变化特征分析
- Title:
- Analysis on Variation Characteristics of the Sunshine Durationof Recent 50 Years in Heilongjiang Province
- 文章编号:
- 1002-2767(2012)08-0041-03
- 分类号:
- P466
- 文献标志码:
- A
- 摘要:
- 为使黑龙江省气象资源更好地为农业服务,利用黑龙江省71个台站1961~2010年日照时数统计资料,采用线性倾向估计法与累计距平法分析黑龙江省日照时数的年、季和月变化特征。结果表明:近50年来黑龙江省年日照时数呈显著减少趋势,平均每10年减少26.7 h;20世纪60年代年平均日照时数最多,90年代最少;年日照时数最多为1967年,最少为2003年;四季日照时数均呈减少趋势,春季最为明显,其次为冬季、夏季,秋季最不明显;除8月、9月外,各月日照时数均呈减少趋势,其中6月最为明显;日照时数变化趋势转折时间大致出现在20世纪80年代初期。
- Abstract:
- In order to make good use of meteorology resources for agriculture,using the statistical date of sunshine duration from 77 meteorological stations in Heilongjiang,the annual,seasonal and monthly variation features of sunshine duration in Heilongjiang were analyzed by the methods of linear trend estimation and accumulative anomaly.It was found that the annual sunshine duration showed a significant decreasing tendency during the recent 50 years with a decreasing rate of 26.7 h per 10 a.The average sunshine duration in 1960s was the most,1990s was the least;Annual average sunshine duration were the highest in 1967,and the lowest in 2003;Four seasons sunshine duration showed a decreasing tendency,especially in spring,followed by winter and summer,the smallest in autumn;except for August and September,sunshine duration in each month went down,especially June;The transition time of sunshine duration happened around the early of 1980s.
参考文献/References:
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备注/Memo
第一作者简介:裴宇航(1984-),男,黑龙江省哈尔滨市人,学士,助理工程师,从事气象学研究。E-mail:dugujixin-163@163.com。