| 中国近海ASCAT和ERA-Interim风场资料的评估 |
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| 引用本文： | 柳婧,宋晓姜,王彰贵.中国近海ASCAT和ERA-Interim风场资料的评估[J].海洋预报,2019,36(1):10-19. |
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| 作者姓名： | 柳婧 宋晓姜 王彰贵 |
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| 作者单位： | 国家海洋环境预报中心,北京,100081;国家海洋环境预报中心,北京,100081;国家海洋环境预报中心,北京,100081 |
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| 摘 要： | 利用中国近海23个浮标对2015年一整年的ASCAT轨道风场和ERA-Interim再分析风场进行质量评估,并对比了ERA-Interim和CFSV2两种再分析风场资料在中国近海的适用性。结果表明:ASCAT在中国近海与浮标风速的一致性优于ERA-Interim,而二者与浮标风向的一致性则相差不大。同时,对比CFSV2与ERA-Interim的误差统计结果发现,CFSV2的风速误差较ERAInterim略小,风向误差相差不大。
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| 关 键 词： | 中国近海 海面风场 浮标 ASCAT风场 检验与评估 |
Evaluation of ASCAT and ERA-Interim wind data over China offshore seas |
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| LIU Jing,SONG Xiao-jiang,WANG Zhang-gui.Evaluation of ASCAT and ERA-Interim wind data over China offshore seas[J].Marine Forecasts,2019,36(1):10-19. |
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| Authors: | LIU Jing SONG Xiao-jiang WANG Zhang-gui |
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| Institution: | (National Marine Environmental Forecasting Center,Beijing 100081 China) |
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| Abstract: | In this paper,we evaluate the quality of ASCAT orbital and ERA-Interim reanalysis wind field in 2015 using 23 buoys deployed in China offshore seas,and also compare the suitability of ERA-Interim and CFSV2 reanalysis wind field data for China offshore sea.Compared with buoy observations,it is found that the wind speed of ASCAT is more consistent than that of ERA-Interim reanalysis,whereas the consistency of the two datasets shows no significant difference regarding wind direction.Comparing the error statistics of CFSV2 and ERA-Interim reanalysis,we also demonstrate that the wind speed error of CFSV2 is slightly smaller than that of ERA-Interim reanalysis,and the wind direction error is largely the same. |
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| Keywords: | China offshore seas sea surface wind buoy ASCAT winds validation and evaluation |
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