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@comment{{This file has been generated by bib2bib 1.95}}
@comment{{Command line: /usr/bin/bib2bib --quiet -c 'not journal:"Discussions"' -c 'not journal:"Polymer Science"' -c '  author:"Seze"  or author:"Sèze"  ' -c year=2013 -c $type="ARTICLE" -oc lmd_Seze2013.txt -ob lmd_Seze2013.bib /home/WWW/LMD/public/}}
  author = {{Tobin}, I. and {Bony}, S. and {Holloway}, C.~E. and {Grandpeix}, J.-Y. and 
	{Sèze}, G. and {Coppin}, D. and {Woolnough}, S.~J. and {Roca}, R.
  title = {{Does convective aggregation need to be represented in cumulus parameterizations?}},
  journal = {Journal of Advances in Modeling Earth Systems},
  keywords = {tropical deep convection, convective aggregation, satellite observations cloud-system resolving model, cumulus parameterization, large-scale circulation},
  year = 2013,
  month = dec,
  volume = 5,
  pages = {692-703},
  abstract = {{Tropical deep convection exhibits a variety of levels of aggregation
over a wide range of scales. Based on a multisatellite analysis, the
present study shows at mesoscale that different levels of aggregation
are statistically associated with differing large-scale atmospheric
states, despite similar convective intensity and large-scale forcings.
The more aggregated the convection, the dryer and less cloudy the
atmosphere, the stronger the outgoing longwave radiation, and the lower
the planetary albedo. This suggests that mesoscale convective
aggregation has the potential to affect couplings between moisture and
convection and between convection, radiation, and large-scale ascent. In
so doing, aggregation may play a role in phenomena such as ''hot spots''
or the Madden-Julian Oscillation. These findings support the need for
the representation of mesoscale organization in cumulus
parameterizations; most parameterizations used in current climate models
lack any such representation. The ability of a cloud system-resolving
model to reproduce observed relationships suggests that such models may
be useful to guide attempts at parameterizations of convective
  doi = {10.1002/jame.20047},
  adsurl = {},
  adsnote = {Provided by the SAO/NASA Astrophysics Data System}
  author = {{Rojas}, M. and {Li}, L.~Z. and {Kanakidou}, M. and {Hatzianastassiou}, N. and 
	{Seze}, G. and {Le Treut}, H.},
  title = {{Winter weather regimes over the Mediterranean region: their role for the regional climate and projected changes in the twenty-first century}},
  journal = {Climate Dynamics},
  keywords = {Mediterranean, Winter weather regimes, Climate change, Coupled regional atmosphere-ocean simulation},
  year = 2013,
  month = aug,
  volume = 41,
  pages = {551-571},
  abstract = {{The winter time weather variability over the Mediterranean is studied in
relation to the prevailing weather regimes (WRs) over the region. Using
daily geopotential heights at 700 hPa from the ECMWF ERA40 Reanalysis
Project and Cluster Analysis, four WRs are identified, in increasing
order of frequency of occurrence, as cyclonic (22.0 \%), zonal (24.8 \%),
meridional (25.2 \%) and anticyclonic (28.0 \%). The surface climate,
cloud distribution and radiation patterns associated with these winter
WRs are deduced from satellite (ISCCP) and other observational (E-OBS,
ERA40) datasets. The LMDz atmosphere-ocean regional climate model is
able to simulate successfully the same four Mediterranean weather
regimes and reproduce the associated surface and atmospheric conditions
for the present climate (1961-1990). Both observational- and LMDz-based
computations show that the four Mediterranean weather regimes control
the region's weather and climate conditions during winter, exhibiting
significant differences between them as for temperature, precipitation,
cloudiness and radiation distributions within the region. Projections
(2021-2050) of the winter Mediterranean weather and climate are obtained
using the LMDz model and analysed in relation to the simulated changes
in the four WRs. According to the SRES A1B emission scenario, a
significant warming (between 2 and 4 {\deg}C) is projected to occur in
the region, along with a precipitation decrease by 10-20 \% in southern
Europe, Mediterranean Sea and North Africa, against a 10 \% precipitation
increase in northern European areas. The projected changes in
temperature and precipitation in the Mediterranean are explained by the
model-predicted changes in the frequency of occurrence as well as in the
intra-seasonal variability of the regional weather regimes. The
anticyclonic configuration is projected to become more recurrent,
contributing to the decreased precipitation over most of the basin,
while the cyclonic and zonal ones become more sporadic, resulting in
more days with below normal precipitation over most of the basin, and on
the eastern part of the region, respectively. The changes in frequency
and intra-seasonal variability highlights the usefulness of dynamics
versus statistical downscaling techniques for climate change studies.
  doi = {10.1007/s00382-013-1823-8},
  adsurl = {},
  adsnote = {Provided by the SAO/NASA Astrophysics Data System}
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