globalchange  > 影响、适应和脆弱性
DOI: 10.1002/2016MS000650
Scopus记录号: 2-s2.0-84973400121
论文题名:
Designing variable ocean model resolution based on the observed ocean variability
作者: Sein D; V; , Danilov S; , Biastoch A; , Durgadoo J; V; , Sidorenko D; , Harig S; , Wang Q
刊名: Journal of Advances in Modeling Earth Systems
ISSN: 19422466
出版年: 2016
卷: 8, 期:2
起始页码: 904
结束页码: 916
语种: 英语
英文关键词: Fighter aircraft ; Mesh generation ; Surface waters ; FESOM ; nesting ; Ocean eddies ; Ocean model ; Unstructured meshes ; Variable resolution ; Oceanography ; circulation modeling ; experimental study ; global ocean ; gyre ; jet stream ; numerical method ; oceanic circulation ; sea surface height ; sea surface temperature
英文摘要: If unstructured meshes are refined to locally represent eddy dynamics in ocean circulation models, a practical question arises on how to vary the resolution and where to deploy the refinement. We propose to use the observed sea surface height variability as the refinement criterion. We explore the utility of this method (i) in a suite of idealized experiments simulating a wind-driven double gyre flow in a stratified circular basin and (ii) in simulations of global ocean circulation performed with FESOM. Two practical approaches of mesh refinement are compared. In the first approach the uniform refinement is confined within the areas where the observed variability exceeds a given threshold. In the second one the refinement varies linearly following the observed variability. The resolution is fixed in time. For the double gyre case it is shown that the variability obtained in a high-resolution reference run can be well captured on variable-resolution meshes if they are refined where the variability is high and additionally upstream the jet separation point. The second approach of mesh refinement proves to be more beneficial in terms of improvement downstream the midlatitude jet. Similarly, in global ocean simulations the mesh refinement based on the observed variability helps the model to simulate high variability at correct locations. The refinement also leads to a reduced bias in the upper-ocean temperature. © 2016. The Authors.
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/75893
Appears in Collections:影响、适应和脆弱性
气候变化与战略

Files in This Item:

There are no files associated with this item.


作者单位: Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany; P. P. Shirshov Institute of Oceanology RAS, St.Petersburg, Russian Federation; A. M. Obukhov Institute of Atmospheric Physics RAS, Moscow, Russian Federation; GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany

Recommended Citation:
Sein D,V,, Danilov S,et al. Designing variable ocean model resolution based on the observed ocean variability[J]. Journal of Advances in Modeling Earth Systems,2016-01-01,8(2)
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Sein D]'s Articles
[V]'s Articles
[, Danilov S]'s Articles
百度学术
Similar articles in Baidu Scholar
[Sein D]'s Articles
[V]'s Articles
[, Danilov S]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Sein D]‘s Articles
[V]‘s Articles
[, Danilov S]‘s Articles
Related Copyright Policies
Null
收藏/分享
所有评论 (0)
暂无评论
 

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.