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Position: Home > Articles > Climate Change Characteristics of Sunshine Duration in Haikou City in Recent 50 Years Chinese Journal of Tropical Agriculture 2014,34 (1) 97-100

近50年海口市日照时数气候变化特征分析

作  者:
吴名杰;陈小敏
单  位:
海南省气象科学研究所;海南省气象局信息中心
关键词:
日照时数;低云量;气候变化;海口
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。
译  名:
Climate Change Characteristics of Sunshine Duration in Haikou City in Recent 50 Years
作  者:
WU Mingjie;CHEN Xiaomin;Information Center,Hainan Meteorological Bureau;Hainan Institute of Meteorological Science;
关键词:
sunshine duration;;low-level cloud amount;;climate change;;Haikou City
摘  要:
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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