| 近50年海口市日照时数气候变化特征分析 |
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| 引用本文： | 吴名杰,陈小敏. 近50年海口市日照时数气候变化特征分析[J]. 热带农业科学, 2014, 0(1): 94-97 |
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| 作者姓名： | 吴名杰 陈小敏 |
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| 作者单位： | [1]海南省气象局信息中心, 海南海口 570203 [2]海南省气象科学研究所, 海南海口 570203 |
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| 摘 要： | 利用海口市1961~2010年日照时数实测资料,分析年代际、年际和季节的气候变化特征,同时与总云量、低云量、相对湿度和降雨量资料,进行相关分析。结果表明:近50年海口市日照时数呈下降趋势,每10年偏少117.2 h,其中2001~2010比1961~1970下降了20%以上。海口市日照减少与低云量的增加有密切关系,与夏秋季节的降雨量也有关系。
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| 关 键 词： | 日照时数 低云量 气候变化 海口 |
Climate Change Characteristics of Sunshine Duration in Haikou City in Recent 50 Years |
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| WU Mingjie,CHEN Xiaomin. Climate Change Characteristics of Sunshine Duration in Haikou City in Recent 50 Years[J]. Chinese Journal of Tropical Agriculture, 2014, 0(1): 94-97 |
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| Authors: | WU Mingjie CHEN Xiaomin |
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| Affiliation: | 1 Information Center, Hainan Meteorological Bureau, Haikou, Hainan 570203 2 Hainan Institute of Meteorological Science, Haikou, Hainan 570203) |
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| Abstract: | Analyzed on climate change variation of the annual, seasonal sunshine duration in Haikou City during 1961-2010, and it＇s correlation coefficient with total cloud amount （TCA）, low-level cloud amount （LCA）, relative humidity（RH） and rainfall（R）. The results indicate that sunshine duration decreased at the rate of 117.2h/10a in Haikou City, with the increasing of low-level cloud amount and rainfall of summer/autumn. |
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| Keywords: | sunshine duration low-level cloud amount climate change Haikou City |
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