利用天气数值预报产品建立贵州黔西南州分县温度预报方程的方法及应用 |
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引用本文: | 段荣,;李莉群,;何海燕,;朱章玉,;杨玲,;孙文英. 利用天气数值预报产品建立贵州黔西南州分县温度预报方程的方法及应用[J]. 云南地理环境研究, 2007, 0(Z1) |
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作者姓名: | 段荣, 李莉群, 何海燕, 朱章玉, 杨玲, 孙文英 |
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作者单位: | [1]黔西南州气象局 黔西南州气象局 贵州兴义 贵州兴义 |
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摘 要: | 利用2002~2004年1~12月EC、T213天气数值产品的温度格点实时分析资料、预报资料以及贵州省黔西南州8个测站观测资料,从160个样本中筛选出相关较好的因子,利用多元回归统计模型,以及根据地理环境,天气形势分型造成的温度差值(ΔT)为逐步订正值,建立黔西南州分县温度预报方程。在2005年11月~2006年2月应用中取得较好效果,预报误差小于±3.0℃,平均误差1.3℃。
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关 键 词: | 数值预报产品 温度 预报方程 |
THE APPLICATION TO THE TEMPERATURE FORECAST OF EQUATION IN EVERY COUNTY IN QIANXI NAN PREFECTURE OF GUIZHOU PROVINCE BY USING THE NUMERICAL FORECAST PRODUCT |
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Affiliation: | DUAN Rong; LI Li-qun; HE Hai-yan; ZHU Zhang-yu; YANG Ling; SUN Wen-ying(The Meteorological Bureau of Qianxi nan Prefecture; Xingyi 562400; Guizhou; China); |
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Abstract: | The relative preferable factor in selected from 160 samples by use of Ec、the real-time analytic temperature data of T213、the forecast data and the data of eight observation stations in Qianxi nan Prefecture of Guizhou Province from 2002 to 2004,the forecast equation of every county in Qianxi nan Prefecture are created by using of multiple regression of statistical model and the stepwise of revisory number which is affected by geographical conditions and the weather types,the equation is useful for forecast ... |
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Keywords: | numerical forecast of product temperature forecast of equation |
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