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首页> 外文期刊>Journal of Computational Physics >Aspects of the dynamical core of a nonhydrostatic, deep-atmosphere, unified weather and climate-prediction model
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Aspects of the dynamical core of a nonhydrostatic, deep-atmosphere, unified weather and climate-prediction model

机译:非静水,深层大气,统一的天气和气候预测模型的动力核心的各个方面

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摘要

The dynamical core, which governs the evolution of resolved fluid-dynamical processes, is a critical element of any atmospheric model. Its governing equations must include all relevant dynamical terms, and the numerical formulae used to approximate them must be accurate, stable and efficient. This is particularly so in a unified modeling environment in which the same dynamical core is used for both operational weather prediction and long term climate simulations. Recent research at the Met Office on unified dynamical core issues is reviewed. Aspects covered include: properties of various equation sets; vertical coordinates; semi-Lagrangian advection and conservation; trajectory computation and dynamical equivalence; horizontal and vertical discretization; and coupling of physical parameterization to a dynamical core. Crown Copyright (c) 2006 Published by Elsevier Inc. All rights reserved.
机译:支配解析流体动力学过程演化的动力学核心是任何大气模型的关键要素。它的控制方程式必须包括所有相关的动力学项,并且用来近似它们的数值公式必须准确,稳定和有效。在统一的建模环境中尤其如此,在该环境中,将相同的动态核心用于运行天气预报和长期气候模拟。评论了大都会办公室关于统一动力核心问题的最新研究。涵盖的方面包括:各种方程组的性质;垂直坐标;半拉格朗日对流和保护;轨迹计算和动力学等价;水平和垂直离散化;以及将物理参数化与动态核心耦合。 Crown版权所有(c)2006,由Elsevier Inc.发行。保留所有权利。

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