Nonhydrostatic atmospheric Modeling using a z-coordinate representation

被引：0
|
作者：
Steppeler, J
Bitzer, HW
Minotte, M
Bonaventura, L
机构：
[1] Deutsch Wetterdienst, D-63067 Offenbach, Germany
[2] AWGeophys OrgELBW, Offenbach, Germany
[3] Univ Bonn, D-5300 Bonn, Germany
[4] Univ Trent, Dipartimento Ingn Civile & Ambientale, Trent, Italy
来源：
MONTHLY WEATHER REVIEW | 2002年 / 130卷 / 08期
关键词：
D O I：
10.1175/1520-0493(2002)130<2143:NAMUAZ>2.0.CO;2
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
A representation of the orography based on approximate finite-volume techniques is applied to a nonhydrostatic atmospheric model. Techniques previously developed by the authors in the context of a semi-implicit, semi-Lagrangian model are applied also to a Eulerian, split-explicit model. Furthermore, an improved formulation of the original approach is introduced, which allows for better orography representation by introducing a simplified version of the most general shaved cells. A two-dimensional numerical test shows that the method developed does not suffer from the problems reported in connection with the eta-coordinate.
引用
收藏
页码：2143 / 2149
页数：7
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