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Global circulation models of Titan have theorized that liquid methane in the moon's equatorial region evaporates and is carried by wind to the north and south poles, where cooler temperatures cause methane to condense.
The Colorado River Water Availability Study down-scales information found in global circulation models in an effort to better understand the range of possibilities that will result from greenhouse gas emissions accumulating in the atmosphere.
Precise predictions of the magnitude of global warming require coupled atmosphere--ocean global circulation models and assessment of the role of radiative forcing other than by green-house gases.
To address the challenge of climate prediction, CCS is working with the climate community to adapt the Community Climate System Model to the Cray X1 and determine the effectiveness of the machine in simulating regional detail using global circulation models.
The researchers use a global circulation model of Titan to demonstrate how planetary-scale atmospheric waves affect the moon's weather patterns, leading to a "stencilling" effect that results in sharp and sometimes surprising cloud shapes.
The many Global Circulation Model simulations of 2 to 5 degrees Celsius rise in global temperature by the end of the 21st century, for which the warming scenarios are based, have basic flaws.
Like Graham, Kumar and his coworkers plugged actual tropical ocean temperatures into a global circulation model and tested the atmosphere's response.
Expanding human knowledge of how rainfall releases heat energy to drive atmospheric circulation is critical to improving global circulation models.