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RISComparison of 30-Day Integrations with and without Cloud-Radiation Interaction
Publisher: American Meteorological Society
Abstract: A parameterization package for cloud-radiation interaction is incorporated into a spectral general circulation model (GCM). Fractional cloud amount is predicted quasi-empirically; cloud optical depth is specified for warm ...
Tropical Sensitivity of a Coupled Model to Specified ISCCP Low Clouds
Publisher: American Meteorological Society
Abstract: The seasonal cycle of SST observed in the eastern equatorial Pacific is poorly simulated by many ocean?atmosphere coupled GCMs. This deficiency may be partly due to an incorrect prediction of tropical marine stratocumulus ...
Simulation Experiments for Determining Wind Data Requirements in the Tropics
Publisher: American Meteorological Society
Abstract: Numerical simulation experiments are performed with a 9-level global general circulation model to help determine how much wind data in the tropics are needed for the reconstruction of meteorological fields. Prediction runs ...
The Sensitivity of a Coupled Atmospheric–Oceanic GCM to Prescribed Low-Level Clouds over the Ocean and Tropical Landmasses
Publisher: American Meteorological Society
Abstract: The sensitivity of a coupled general circulation model (CGCM) to tropical marine stratocumulus (MSc) clouds and low-level clouds over the tropical land is examined. The hypothesis that low-level clouds play an important ...
The Second Phase of the Global Land–Atmosphere Coupling Experiment: Soil Moisture Contributions to Subseasonal Forecast Skill
Publisher: American Meteorological Society
Abstract: he second phase of the Global Land?Atmosphere Coupling Experiment (GLACE-2) is a multi-institutional numerical modeling experiment focused on quantifying, for boreal summer, the subseasonal (out to two months) forecast ...
GLACE: The Global Land–Atmosphere Coupling Experiment. Part I: Overview
Publisher: American Meteorological Society
Abstract: The Global Land?Atmosphere Coupling Experiment (GLACE) is a model intercomparison study focusing on a typically neglected yet critical element of numerical weather and climate modeling: land?atmosphere coupling strength, ...
GLACE: The Global Land–Atmosphere Coupling Experiment. Part II: Analysis
Publisher: American Meteorological Society
Abstract: The 12 weather and climate models participating in the Global Land?Atmosphere Coupling Experiment (GLACE) show both a wide variation in the strength of land?atmosphere coupling and some intriguing commonalities. In this ...
GFDL's CM2 Global Coupled Climate Models. Part I: Formulation and Simulation Characteristics
Publisher: American Meteorological Society
Abstract: The formulation and simulation characteristics of two new global coupled climate models developed at NOAA's Geophysical Fluid Dynamics Laboratory (GFDL) are described. The models were designed to simulate atmospheric and ...
The Dynamical Core, Physical Parameterizations, and Basic Simulation Characteristics of the Atmospheric Component AM3 of the GFDL Global Coupled Model CM3
Publisher: American Meteorological Society
Abstract: he Geophysical Fluid Dynamics Laboratory (GFDL) has developed a coupled general circulation model (CM3) for the atmosphere, oceans, land, and sea ice. The goal of CM3 is to address emerging issues in climate change, including ...