| 粤西北霜日的年际变化与大气环流异常的关系 |
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| 引用本文： | 李丽,简茂球.粤西北霜日的年际变化与大气环流异常的关系[J].热带气象学报,2011,27(1):101-108. |
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| 作者姓名： | 李丽 简茂球 |
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| 作者单位： | 1. 韶关市气象台,广东,韶关,512028;中山大学季风与环境研究中心/大气科学系,广东,广州,510275
2. 中山大学季风与环境研究中心/大气科学系,广东,广州,510275 |
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| 基金项目： | 国家重点基础研究发展规划(973)项目 |
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| 摘 要： | 利用1964-2006年测站观测资料和NCEP/NCAR再分析资料分析了粤西北霜日的年际变化特征,及其与大气环流异常的联系.结果表明:粤西北的霜日主要集中于12月和1月;从1986年之后年霜日呈明显的递减趋势.并且粤西北的西部和南部线性递减较快;粤西北地区12月和1月霜日偏多、偏少年的大气环流异常特征相似;12月和1月...
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| 关 键 词： | 气候学 霜日 粤西北 年际变化 大气环流 |
INTERANNUAL VARIABILITY OF FROST-DAY IN NORTHWESTERN GUANGDONG AND RELATED CIRCULATION BACKGROUND |
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| LI Li,JIAN Mao-qiu.INTERANNUAL VARIABILITY OF FROST-DAY IN NORTHWESTERN GUANGDONG AND RELATED CIRCULATION BACKGROUND[J].Journal of Tropical Meteorology,2011,27(1):101-108. |
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| Authors: | LI Li JIAN Mao-qiu |
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| Institution: | LI Li1,2,JIAN Mao-qiu2 (1.Shaoguan Meteorological Observatory,Shaoguan 512028,China,2.Resaearch Center for Monsoon and Environment/Department of Atmospheric Sciences,Sun Yat-sen University,Guangzhou 510275,China) |
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| Abstract: | Based on the observed data and the NCEP/NCAR reanalysis data from 1964 to 2006,the interannual variability of frost-day in northwestern Guangdong and related circulation background are analyzed.The frost-day in northwestern Guangdong are concentrated in December and January.The annual frost-day decreases remarkably after 1986,especially in the west and the south of northwestern Guangdong.The abnormal characteristics of general circulation for more frost-day cases(or in less frost-day cases) are similar in b... |
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| Keywords: | Climatology frost day northwestern Guangdong interannual variability circulation |
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