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学科主题: Materials Science, Multidisciplinary; Multidisciplinary Sciences
题名: Evaluation of a 3dVAR system for the South China Sea
作者: Xiao, XJ ; Wang, DX ; Yan, CX ; Zhu, J
通讯作者: xiaoxj@cma.gov.cn
关键词: South China Sea ; three-dimensional variational data assimilation ; recursive filter
刊名: PROGRESS IN NATURAL SCIENCE
发表日期: 2008
卷: 18, 期:5, 页:547-554
收录类别: sci
部门归属: [Xiao, Xianjun; Wang, Dongxiao] Chinese Acad Sci, S China Sea Inst Oceanol, LED, Guangzhou 510301, Peoples R China; [Xiao, Xianjun] China Meteorol Adm, NCC, Beijing 100081, Peoples R China; [Yan, Changxiang; Zhu, Jiang] Chinese Acad Sci, Inst Atmospher Phys, Beijing 100029, Peoples R China
项目归属: LED
摘要: The authors evaluate a three-dimensional variational (3dVAR) system for the South China Sea (SCS) in this study. The assimilation method applied in the system takes into consideration error correlation along each ground track and uses recursive filter for optimization. Data from three R/V cruises during the spring and summer of 1998 and the summer of 2000 are used to evaluate the system. The root-mean-square error and bias are reduced significantly and when the altimeter data are assimilated, the distribution of the error is much closer to the Gaussian distribution. Precipitation and river discharge in the southwestern SCS are reproduced, and the variability of sea surface height is efficiently transferred to the subsurface. The 3dVAR system performs well for each of the three cruises, suggesting that it is steady for routine usage. (c) 2007 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.
原文出处: 查看原文
WOS记录号: WOS:000255287900006
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/6019
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Recommended Citation:
Xiao, XJ; Wang, DX; Yan, CX; Zhu, J.Evaluation of a 3dVAR system for the South China Sea,PROGRESS IN NATURAL SCIENCE,2008,18(5):547-554
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