lmd_Bony2007.bib
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@article{2007ClDy...29..501B,
author = {{Braconnot}, P. and {Hourdin}, F. and {Bony}, S. and {Dufresne}, J.~L. and
{Grandpeix}, J.~Y. and {Marti}, O.},
title = {{Impact of different convective cloud schemes on the simulation of the tropical seasonal cycle in a coupled ocean atmosphere model}},
journal = {Climate Dynamics},
keywords = {Orientation-preserving condition, Finite element analysis, Compressible hyperelasticity},
year = 2007,
month = oct,
volume = 29,
pages = {501},
abstract = {{The simulation of the mean seasonal cycle of sea surface temperature
(SST) remains a challenge for coupled ocean atmosphere general
circulation models (OAGCMs). Here we investigate how the numerical
representation of clouds and convection affects the simulation of the
seasonal variations of tropical SST. For this purpose, we compare
simulations performed with two versions of the same OAGCM differing only
by their convection and cloud schemes. Most of the atmospheric
temperature and precipitation differences between the two simulations
reflect differences found in atmosphere-alone simulations. They affect
the ocean interior down to 1,000 m. Substantial differences are found
between the two coupled simulations in the seasonal march of the
Intertropical Convergence Zone in the eastern part of the Pacific and
Atlantic basins, where the equatorial upwelling develops. The results
confirm that the distribution of atmospheric convection between ocean
and land during the American and African boreal summer monsoons plays a
key role in maintaining a cross equatorial flow and a strong windstress
along the equator, and thereby the equatorial upwelling. Feedbacks
between convection, large-scale circulation, SST and clouds are
highlighted from the differences between the two simulations. In one
case, these feedbacks maintain the ITCZ in a quite realistic position,
whereas in the other case the ITCZ is located too far south close to the
equator.
}},
doi = {10.1007/s00382-007-0244-y},
adsurl = {http://adsabs.harvard.edu/abs/2007ClDy...29..501B},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
