General circulation experiment with a coupled atmosphere, ocean and sea ice model
This paper describes the construction and results of a comprehensive, three-dimensional general circulation model (GCM) of the earth's climate. The model, developed at the National Center for Atmospheric Research (NCAR), links separate existing models of the atmosphere, ocean and sea ice. The atmospheric model is a version of the third-generation NCAR GCM which has a relatively complete treatment of physical processes. It uses a generalized vertical coordinate with eight layers (approx.3 km thick) and 5/sup 0/ horizontal grid spacing over the entire globe. The ocean model, using the primitive equations and the hydrostatic and Boussinesq approximations, was changed to the world domain from an earlier model developed by Bryan (1969) and reprogrammed by Semtner (1974). The model has four unequally spaced vertical layers and 5/sup 0/ horizontal grid structure. The sea ice model is a simple thermodynamic model using a simplified calculation of heat flux through sea ice (Semtner, 1976).
- Research Organization:
- National Center for Atmospheric Research, Boulder, Colorado 80307
- OSTI ID:
- 6570547
- Journal Information:
- J. Phys. Oceanogr.; (United States), Journal Name: J. Phys. Oceanogr.; (United States) Vol. 10:12; ISSN JPYOB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
Atmospheric-- Basic Studies-- (-1989)
54 ENVIRONMENTAL SCIENCES
58 GEOSCIENCES
580500 -- Oceanography-- (1980-1989)
CLIMATES
COUPLING
CURRENTS
EARTH ATMOSPHERE
HEAT FLUX
ICE
LAYERS
MATHEMATICAL MODELS
SEAS
SIMULATION
SURFACE WATERS
TEMPERATURE DISTRIBUTION
THREE-DIMENSIONAL CALCULATIONS
WATER CURRENTS
WIND