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A proper time integration with split stepping for the explicit free-surface modeling
Zhou, WD
2002
发表期刊ADVANCES IN ATMOSPHERIC SCIENCES
ISSN0256-1530
卷号19期号:2页码:255-265
摘要Errors due to split time stepping are discussed for an explicit free-surface ocean model. In commonly used split time stepping, the way of time integration for the barotropic momentum equation is not compatible with that of the baroclinic one. The baroclinic equation has three-time-level structure because of leapfrog scheme. The barotropic one, however, has two-time-level structure when represented in terms of the baroclinic time level, on which the baroclinic one is integrated. This incompatibility results in the splitting errors as shown in this paper. The proper split time stepping is therefore proposed in such a way that the compatibility is kept between the barotropic and baroclinic equations. Its splitting errors are shown extremely small, so that it is particularly relevant to long-term integration for climate studies. It is applied to a free-surface model for the North Pacific Ocean.
部门归属Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Peoples R China
关键词Free-surface Model Split Time Stepping Split Error Leapfrog Scheme
学科领域Meteorology & Atmospheric Sciences
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收录类别sci
资助项目海洋地质
WOS记录号WOS:000174715700005
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/4728
专题中科院边缘海地质重点实验室
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Zhou, WD. A proper time integration with split stepping for the explicit free-surface modeling[J]. ADVANCES IN ATMOSPHERIC SCIENCES,2002,19(2):255-265.
APA Zhou, WD.(2002).A proper time integration with split stepping for the explicit free-surface modeling.ADVANCES IN ATMOSPHERIC SCIENCES,19(2),255-265.
MLA Zhou, WD."A proper time integration with split stepping for the explicit free-surface modeling".ADVANCES IN ATMOSPHERIC SCIENCES 19.2(2002):255-265.
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