Name
Title | ||
|---|---|---|
Nonhydrostatic icosahedral atmospheric model (NICAM) for global cloud resolving simulations |
Abstract | ||
|---|---|---|
A new type of ultra-high resolution atmospheric global circulation model is developed. The new model is designed to perform ''cloud resolving simulations'' by directly calculating deep convection and meso-scale circulations, which play key roles not only in the tropical circulations but in the global circulations of the atmosphere. Since cores of deep convection have a few km in horizontal size, they have not directly been resolved by existing atmospheric general circulation models (AGCMs). In order to drastically enhance horizontal resolution, a new framework of a global atmospheric model is required; we adopted nonhydrostatic governing equations and icosahedral grids to the new model, and call it Nonhydrostatic ICosahedral Atmospheric Model (NICAM). In this article, we review governing equations and numerical techniques employed, and present the results from the unique 3.5-km mesh global experiments-with O(10^9) computational nodes-using realistic topography and land/ocean surface thermal forcing. The results show realistic behaviors of multi-scale convective systems in the tropics, which have not been captured by AGCMs. We also argue future perspective of the roles of the new model in the next generation atmospheric sciences. |
Year | DOI | Venue |
|---|---|---|
2008 | 10.1016/j.jcp.2007.02.006 | J. Comput. Physics |
Keywords | Field | DocType |
atmospheric global circulation model,atmospheric general circulation model,atmospheric general circulation models,new type,cloud clusters,aqua-planet experiments,nonhydrostatic icosahedral atmospheric model,new model,icosahedral grids,deep convection,atmospheric science,nonhydrostatic model,global circulation,cloud resolving model,new framework,global cloud,global experiments-with,global atmospheric model,high resolution,global circulation model,atmospheric modeling | Meteorology,Atmosphere,Convection,Thermal,Icosahedral symmetry,Atmospheric model,NICAM,Forcing (mathematics),Mathematics,Cloud computing | Journal |
Volume | Issue | ISSN |
227 | 7 | Journal of Computational Physics |
Citations | PageRank | References |
40 | 6.57 | 0 |
Authors | ||
6 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Masaki Satoh | 1 | 46 | 11.74 |
| T. Matsuno | 2 | 40 | 6.57 |
| H. Tomita | 3 | 40 | 6.91 |
| H. Miura | 4 | 40 | 6.57 |
| T. Nasuno | 5 | 40 | 6.57 |
| S. Iga | 6 | 40 | 6.57 |