Campus Units
Geological and Atmospheric Sciences
Document Type
Article
Publication Version
Published Version
Publication Date
12-2011
Journal or Book Title
Acta Geophysica
Volume
59
Issue
6
First Page
1158
Last Page
1167
DOI
10.2478/s11600-011-0032-2
Abstract
This study evaluates the capability of a non-hydrostatic global climate model with grid stretching (CEU) that uses NCAR Community Atmospheric Model (CAM) physics and EULAG dynamics. We compare CEU rainfall with that produced by CAM using finite volume dynamics (CFV). Both models simulated climate from 1996 to 2000, using the same parameterization schemes.
CEU and CFV both simulate well the observed global rainfall pattern. However, with same grid, CEU performs better than CFV in simulating the annual cycles of precipitation over our target region of West Africa. The reason is that it simulates African easterly jet and monsoon circulations better than CFV. CEU simulations with horizontal grid stretching to 0.5° are markedly better than those using CAM’s standard 2.0°×2.5° grid.
Rights
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. (CC BY-NC-ND 3.0)
Copyright Owner
Institute for Geophysics, Polish Academy of Sciences
Copyright Date
2011
Language
en
File Format
application/pdf
Recommended Citation
Abiodun, Babutunde J.; Gutowski, William; Abatan, Abayomi; and Prusa, Joseph, "CAM-EULAG: A Non-Hydrostatic Atmospheric Climate Model with Grid Stretching" (2011). Geological and Atmospheric Sciences Publications. 126.
https://lib.dr.iastate.edu/ge_at_pubs/126
Comments
This article is from Acta Geophysica 59 (2016): 1158-1167, doi:10.2478/s11600-011-0032-2. Posted with permission.