Adjoint free four-dimensional variational data assimilation for a storm surge model of the German North Sea
Zheng, XY; Mayerle, R; Xing, QG; Jaramillo, JMF; Zheng, XY (reprint author), Univ Kiel, Res & Technol Ctr Westcoast, Kiel, Germany. xyzheng@corelab.uni-kiel.de
发表期刊OCEAN DYNAMICS
ISSN1616-7341
2016-08-01
卷号66期号:8页码:1037-1050
关键词Storm Surge Model Wind Drag Coefficient Data Assimilation Adjoint Free 4dvar
DOI10.1007/s10236-016-0962-y
产权排序[Zheng, Xiangyang; Mayerle, Roberto; Jaramillo, Jose Manuel Fernandez] Univ Kiel, Res & Technol Ctr Westcoast, Kiel, Germany; [Xing, Qianguo] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai, Peoples R China
作者部门海岸带信息集成与综合管理实验室
英文摘要In this paper, a data assimilation scheme based on the adjoint free Four-Dimensional Variational(4DVar) method is applied to an existing storm surge model of the German North Sea. To avoid the need of an adjoint model, an ensemble-like method to explicitly represent the linear tangent equation is adopted. Results of twin experiments have shown that the method is able to recover the contaminated low dimension model parameters to their true values. The data assimilation scheme was applied to a severe storm surge event which occurred in the North Sea in December 5, 2013. By adjusting wind drag coefficient, the predictive ability of the model increased significantly. Preliminary experiments have shown that an increase in the predictive ability is attained by narrowing the data assimilation time window.
文章类型Article
收录类别SCI
语种英语
关键词[WOS]STRESS DRAG COEFFICIENT ; WIND-STRESS ; OCEAN ; SURFACE ; ROUGHNESS ; WAVES ; TIDES
研究领域[WOS]Oceanography
WOS记录号WOS:000380133000009
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/17084
专题中国科学院海岸带环境过程与生态修复重点实验室_海岸带信息集成与战略规划研究中心
通讯作者Zheng, XY (reprint author), Univ Kiel, Res & Technol Ctr Westcoast, Kiel, Germany. xyzheng@corelab.uni-kiel.de
作者单位1.Univ Kiel, Res & Technol Ctr Westcoast
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res
推荐引用方式
GB/T 7714
Zheng, XY,Mayerle, R,Xing, QG,et al. Adjoint free four-dimensional variational data assimilation for a storm surge model of the German North Sea[J]. OCEAN DYNAMICS,2016,66(8):1037-1050.
APA Zheng, XY,Mayerle, R,Xing, QG,Jaramillo, JMF,&Zheng, XY .(2016).Adjoint free four-dimensional variational data assimilation for a storm surge model of the German North Sea.OCEAN DYNAMICS,66(8),1037-1050.
MLA Zheng, XY,et al."Adjoint free four-dimensional variational data assimilation for a storm surge model of the German North Sea".OCEAN DYNAMICS 66.8(2016):1037-1050.
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