lmd_Grandpeix2009.bib
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@article{2009GeoRL..36.7809R,
author = {{Rio}, C. and {Hourdin}, F. and {Grandpeix}, J.-Y. and {Lafore}, J.-P.
},
title = {{Shifting the diurnal cycle of parameterized deep convection over land}},
journal = {\grl},
keywords = {Atmospheric Processes: Convective processes, Atmospheric Processes: Boundary layer processes, Atmospheric Processes: Precipitation (1854), Atmospheric Processes: Global climate models (1626, 4928)},
year = 2009,
month = apr,
volume = 36,
eid = {L07809},
pages = {7809},
abstract = {{In most atmospheric circulation models used for climate projections,
cloud and convective processes are not explicitly resolved but
parameterized. Such models are known to produce a diurnal cycle of
continental thunderstorms in phase with insolation, while observed
precipitation peaks in late afternoon. We propose a new approach which
corrects this long standing bias of parameterized convection. In this
approach, deep convection triggering and intensity are controlled by
sub-cloud processes: here boundary layer thermals and gust fronts, and
potentially orography or surface heterogeneities. The representation of
the diurnal cycle of deep convection is greatly improved in 1D mode,
with rainfall maximum delayed from midday to late afternoon, provided
parameterizations account for the key role played by shallow cumulus in
preconditioning deep convection and by gust fronts in the
self-sustaining of thunderstorms in the afternoon.
}},
doi = {10.1029/2008GL036779},
adsurl = {http://adsabs.harvard.edu/abs/2009GeoRL..36.7809R},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
