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An improved algorithm of simulation on air-sea turbulent heat fluxes in China seas
作者姓名:褚健婷  陈锦年  夏军  戴永久
作者单位:[1]Key Lab. of Water Cycle & Related Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China [2]Graduate School, Chinese Academy of Sciences, Beijing 100039, China [3]Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China [4]School of Geography, Beijing Normal University, Beijing 100875, China
摘    要:With a global GSSTF2 and NCEP/NCAR reanalysis database and observation data at the Yong Xing station of Xisha Island in the South China Sea, we simulated the turbulent sensible and latent heat flux at sea surface in Chinese and neighboring seas (hereafter termed as China seas) using a common bulk method with some improved parameters. Comparing the simulated results with the observed and reanalyzed data, the improvement yielded higher accuracy, a smaller mean square deviation within 10 W/m2, and a smaller average relative error at about 25%. In addition, spatial resolution was improved to 0.1°×0.1°. The simulation is able to replay the main features of regional and seasonal variation in turbulent heat fluxes, and also the general pattern of heat flux changes during the summer monsoon outbreak in the South China Sea.

关 键 词:湍流  中国  海洋  热剂量
收稿时间:15 February 2007
修稿时间:2007-02-152007-02-26

An improved algorithm of simulation on air-sea turbulent heat fluxes in China seas
Chu?Jianting,Chen?Jinnian,Xia?Jun,Dai?Yongjiu.An improved algorithm of simulation on air-sea turbulent heat fluxes in China seas[J].Chinese Journal of Oceanology and Limnology,2007,25(3):292-299.
Authors:Chu Jianting  Chen Jinnian  Xia Jun  Dai Yongjiu
Institution:(1) Key Lab. of Water Cycle & Related Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China;(2) Graduate School, Chinese Academy of Sciences, Beijing, 100039, China;(3) Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China;(4) School of Geography, Beijing Normal University, Beijing, 100875, China
Abstract:With a global GSSTF2 and NCEP/NCAR reanalysis database and observation data at the Yong Xing station of Xisha Island in the South China Sea, we simulated the turbulent sensible and latent heat flux at sea surface in Chinese and neighboring seas (hereafter termed as China seas) using a common bulk method with some improved parameters. Comparing the simulated results with the observed and reanalyzed data, the improvement yielded higher accuracy, a smaller mean square deviation within 10 W/m2, and a smaller average relative error at about 25%. In addition, spatial resolution was improved to 0.1°×0.1°. The simulation is able to replay the main features of regional and seasonal variation in turbulent heat fluxes, and also the general pattern of heat flux changes during the summer monsoon outbreak in the South China Sea. Supported by the National Science Foundation of China (No. 40671035).
Keywords:sensible heat flux  latent heat flux  the bulk method  China seas
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