| 近50年西宁市日照时数变化规律分析 |
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| 引用本文： | 黄胜,马占良.近50年西宁市日照时数变化规律分析[J].高原气象,2011,30(5):1422-1425. |
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| 作者姓名： | 黄胜 马占良 |
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| 作者单位： | 1. 青海省气象台,青海西宁,810001
2. 青海省气候中心,青海西宁,810001 |
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| 基金项目： | 国家自然科学基金项目(41075066)资助 |
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| 摘 要： | 利用近50年西宁市日照时数实测资料,分析了其日照时数年代际、年际、季和月的变化特征,并用气候突变理论对其进行检验。结果表明,近50年西宁市日照时数呈减少趋势,其气候变化率为每10年减少75.1h;日照时数的年际变化幅度较大,峰值（1963年）与谷值（2007年）相差635.3h。日照时数存在明显的季节差异,各季日照时数...
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| 关 键 词： | 西宁 日照时数 气候突变 |
Variation Characteristic of Sunshine Duration in Xining in Recent 50 Years |
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| HUANG Sheng,MA Zhan-liang.Variation Characteristic of Sunshine Duration in Xining in Recent 50 Years[J].Plateau Meteorology,2011,30(5):1422-1425. |
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| Authors: | HUANG Sheng MA Zhan-liang |
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| Affiliation: | HUANG Sheng1,MA Zhan-liang2 (1.Qinghai Meteorological Observatory,Xining 810001,China,2.Qinghai Climate Center,China) |
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| Abstract: | The climate change characteristics of decade,annual,seasonal and monthly sunshine durations in Xining city were analyzed based on the observed data of sunshine duration in Xining city in recent 50 years.The resu1ts indicate that in recent 50 years,the sunshine duration decreased with a tendency of 75.1 h per ten years;the interannual variation amplitude is obvious;and the difference of the sunshine duration between 1963 and 2007 reaches up 635.3 h.There is obvious seasonal difference in sunshine duration,th... |
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| Keywords: | Xining Sunshine duration Climate abrupt change |
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