| ECMWF和NCEP再分析资料在青藏高原高度场变化中的对比分析 |
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| 引用本文： | 荀学义,胡泽勇,孙俊,崔桂凤,徐丽娇,谷良雷.ECMWF和NCEP再分析资料在青藏高原高度场变化中的对比分析[J].冰川冻土,2011,33(1):80-87. |
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| 作者姓名： | 荀学义 胡泽勇 孙俊 崔桂凤 徐丽娇 谷良雷 |
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| 作者单位： | 中国科学院,寒区旱区环境与工程研究所,甘肃,兰州,730000;内蒙古自治区气象台,内蒙古,呼和浩特,010051;中国科学院,研究生院,北京,100049;中国科学院,寒区旱区环境与工程研究所,甘肃,兰州,730000;中国科学院,寒区旱区环境与工程研究所,甘肃,兰州,730000;中国科学院,研究生院,北京,100049;遂宁市气象局,四川,遂宁,629000;呼和浩特市第十八中学,内蒙古,呼和浩特,010022;中国科学院,寒区旱区环境与工程研究所,甘肃,兰州,730000;中国科学院,研究生院,北京,100049 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)项目(2005CB422003-62010CB951701); 中国科学院知识创新工程重要方向项目(KZCX2-YW-Q11-01); 国家自然科学基金项目(40875005);国家自然科学基金国际(地区)合作与交流项目(40810059006)资助; 甘肃省科技重大专项(援藏项目); 欧盟第七框架项目(CallFP7-ENV-2007-1Grantnr.212921) |
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| 摘 要： | 利用ECMWF和NCEP/NCAR北半球逐月平均的600 hPa、500 hPa和200 hPa高度场再分析资料,对高原地区高度场流型及量值进行对比研究.结果表明:二者在不同的再分析资料中具有一定的相似性,但仍存在着明显的区别.高度场流型的区别由低层向高层依次减小,600hPa高度场除冬季的流型基本一致外,其余三季的流...
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| 关 键 词： | 青藏高原 ECMWF和NCEP/NCAR再分析资料 高度场 对比分析 |
A Comparative Analysis of Height Field Variations over the Tibetan Plateau Using ECMWF and NCEP Reanalysis Data |
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| XUN Xue-yi,HU Ze-yong,SUN Jun,CUI Gui-feng,XU Li-jiao,GU Liang-li.A Comparative Analysis of Height Field Variations over the Tibetan Plateau Using ECMWF and NCEP Reanalysis Data[J].Journal of Glaciology and Geocryology,2011,33(1):80-87. |
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| Authors: | XUN Xue-yi HU Ze-yong SUN Jun CUI Gui-feng XU Li-jiao GU Liang-li |
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| Institution: | XUN Xue-yi1,2,3,HU Ze-yong1,SUN Jun1,4,CUI Gui-feng5,XU Li-jiao1,GU Liang-li1(1.Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,Lanzhou Lanzhou 730000,China,2.Inner Mongolia Autonomous Region Meteorological Observatory,Hohhot Inner Mongolia 010051,3.Graduate University of Chinese Academy of Science,Beijing 100049,4.Suining Weather Bureau,Suining Sichuan 629000,5.No.18 Middle School of Hohhot,Hohhot Inner Mongolia 010022,China) |
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| Abstract: | Comparative analysis of flow pattern and magnitude are made with NCEP/NCAR and ECMWF reanalysis datasets over 600 hPa,500 hPa and 200 hPa monthly height fields in the Tibetan Plateau.It is found that there are some similarities,but the difference is remarkable between the results derived from the two reanalysis datasets.Discrepancies of the flow pattern in the lower layer are more obvious than that in the upper layer.For the 600 hPa,the flow pattern derived from ECMWF data is basically agreed with that deri... |
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| Keywords: | Tibetan Plateau ECMWF and NCEP/NCAR reanalysis dataset height field comparative analysis |
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