| 张家口44年气候变化特征分析 |
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| 引用本文： | 王宏,王秀丽,张文龙,张楠.张家口44年气候变化特征分析[J].安徽农业科学,2012,40(28):13883-13885,13914. |
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| 作者姓名： | 王宏 王秀丽 张文龙 张楠 |
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| 作者单位： | 1. 河北省张家口市气象局,河北张家口,075000
2. 中国气象局北京城市气象研究所,北京,100089 |
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| 摘 要： | 利用张家口站1966～2009年的气温、降水、风速资料及近几年自动站资料,采用基本统计量分析和Mann-Kendall突变检验等方法,对张家口市44年来气候变化特征进行了统计分析。结果表明,44年来张家口年、季平均气温呈显著上升趋势;年、季降水量为减少趋势,但趋势并不明显;年、季平均风速有显著减小趋势,但主导风向未发生改变;气温和风速在1986年发生突变。
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| 关 键 词： | 平均气温 降水量 平均风速 气候变化 张家口 |
Analysis on the Characteristics of Climate Change in Zhangjiakou City in Recent 44 Years |
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| Institution: | WANG Hong et al(Zhangjiakou Meteorological Bureau,Zhangjiakou,Hebei 075000) |
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| Abstract: | According to the data of the temperature,precipitation and wind speed from 1966 to 2009 and automatic weather station data in recent years from Zhangjiakou station,the characteristics of climate change in Zhangjiakou City were analyzed by using basic statistics and the Mann-Kendall statistical methods.The results showed that both the annual and the seasonal average temperature were rising very significantly,and their precipitation was decreasing.Annual and seasonal average wind speed showed the significant decreasing trend,but the dominant wind direction was not changed.Temperature and wind speed abrupt change point appeared in 1986. |
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| Keywords: | Average temperature Precipitation Average wind speed Climatic changes Zhangjiakou |
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