Journal of Advances in Modeling Earth Systems | |
A Total Energy Error Analysis of Dynamical Cores and Physics‐Dynamics Coupling in the Community Atmosphere Model (CAM) | |
Peter H. Lauritzen1  David L. Williamson1  | |
[1] National Center for Atmospheric Research Boulder CO USA; | |
关键词: total energy errors; physics‐dynamics coupling; global modeling; numerical methods; dynamical cores; | |
DOI : 10.1029/2018MS001549 | |
来源: DOAJ |
【 摘 要 】
Abstract A closed total energy (TE) budget is of utmost importance in coupled climate system modeling; in particular, the dynamical core or physics‐dynamics coupling should ideally not lead to spurious TE sources/sinks. To assess this in a global climate model, a detailed analysis of the spurious sources/sinks of TE in National Center for Atmospheric Research's Community Atmosphere Model (CAM) is given. This includes spurious sources/sinks associated with the parameterization suite, the dynamical core, TE definition discrepancies, and physics‐dynamics coupling. The latter leads to a detailed discussion of the pros and cons of various physics‐dynamics coupling methods commonly used in climate/weather modeling.
【 授权许可】
Unknown