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RISThe Dependence on Convection Parameterization of the Tropical Intraseasonal Oscillation Simulated by the UIUC 11-Layer Atmospheric GCM
Publisher: American Meteorological Society
Abstract: Numerical experiments are conducted using the University of Illinois, Urbana?Champaign (UIUC), 11-layer atmospheric general circulation model (GCM) to investigate the dependence of the simulated tropical intraseasonal ...
Numerical Simulation of Ozone Production, Transport and Distribution with a Global Atmospheric General Circulation Model
Publisher: American Meteorological Society
Abstract: The production, transport and distribution of ozone are simulated for a January with a global atmospheric general circulation model. In this model the ozone influences the radiational heating as well as the photochemical ...
Simple Model Representation of Atmosphere-Ocean GCMs and Estimation of the Time Scale of C02-Induced Climate Change
Publisher: American Meteorological Society
Abstract: A simple atmosphere-Ocean model is developed to represent the 20-year 1 ? C02 and 2 ? C02 simulations obtained with a coupled atmosphere-ocean general circulation model for the purpose of obtaining a new estimate of the ...
Seasonal Climatic Changes Induced by Doubled CO2 as Simulated by the OSU Atmospheric GCM/Mixed-Layer Ocean Model
Publisher: American Meteorological Society
Abstract: The OSU global atmospheric general circulation model (AGCM) has been coupled to a 60-m deep mixed-layer ocean model to simulate the equilibrium seasonal climatic changes induced by a doubling of the CO2 concentration. ...
The January and July Performance of the OSU Two-Level Atmospheric General Circulation Model
Publisher: American Meteorological Society
Abstract: A modified version of the two-level atmospheric general circulation model has been developed and used in the simulation of January and July global climates. The overall physical and numerical formulation of this Oregon ...
Numerical Simulation of the January and July Global Climate with a Two-Level Atmospheric Model
Publisher: American Meteorological Society
Abstract: The global distributions of selected climatic variables simulated by numerical integration of a two-level atmospheric general circulation model for January and July are presented in comparison with the corresponding observed ...
Hybrid Scheme for Three-Dimensional Advective Transport
Publisher: American Meteorological Society
Abstract: A 3D hybrid (H) transport scheme has been developed that consists of the Prather (P) scheme for vertical transport and a semi-Lagrangian (SL) scheme for horizontal transport on a spherical surface. Two tests have also been ...
Sensitivity Analysis of a Radiative-Convective Model by the Adjoint Method
Publisher: American Meteorological Society
Abstract: The adjoint method of sensitivity analysis is demonstrated on a radiative-convective climate model. A single adjoint calculation, which requires about the same computation time as the original model suffices to calculate ...
Intensity of Hydrological Cycles in Warmer Climates
Publisher: American Meteorological Society
Abstract: The fact that the surface and tropospheric temperatures increase with increasing CO2 has been well documented by numerical model simulations; however, less agreement is found for the changes in the intensity of precipitation ...
A Parameterization of the Evaporation of Rainfall
Publisher: American Meteorological Society
Abstract: In this study we develop theoretical expressions for the rainfall rate, P(z), and the total evaporation rate from cloud base to a level z below cloud base, E(z). The resultant parameterization for the total evaporation is ...