lmd_Codron2011.bib
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@article{2011JCli...24.5831G,
author = {{Guemas}, V. and {Codron}, F.},
title = {{Differing Impacts of Resolution Changes in Latitude and Longitude on the Midlatitudes in the LMDZ Atmospheric GCM}},
journal = {Journal of Climate},
year = 2011,
month = nov,
volume = 24,
pages = {5831-5849},
doi = {10.1175/2011JCLI4093.1},
adsurl = {http://adsabs.harvard.edu/abs/2011JCli...24.5831G},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
@article{2011Icar..213....1L,
author = {{Léger}, A. and {Grasset}, O. and {Fegley}, B. and {Codron}, F. and
{Albarede}, A.~F. and {Barge}, P. and {Barnes}, R. and {Cance}, P. and
{Carpy}, S. and {Catalano}, F. and {Cavarroc}, C. and {Demangeon}, O. and
{Ferraz-Mello}, S. and {Gabor}, P. and {Grie{\ss}meier}, J.-M. and
{Leibacher}, J. and {Libourel}, G. and {Maurin}, A.-S. and {Raymond}, S.~N. and
{Rouan}, D. and {Samuel}, B. and {Schaefer}, L. and {Schneider}, J. and
{Schuller}, P.~A. and {Selsis}, F. and {Sotin}, C.},
title = {{The extreme physical properties of the CoRoT-7b super-Earth}},
journal = {\icarus},
archiveprefix = {arXiv},
eprint = {1102.1629},
primaryclass = {astro-ph.EP},
year = 2011,
month = may,
volume = 213,
pages = {1-11},
abstract = {{The search for rocky exoplanets plays an important role in our quest for
extra-terrestrial life. Here, we discuss the extreme physical properties
possible for the first characterised rocky super-Earth, CoRoT-7b ( R
$_{pl}$ = 1.58 {\plusmn} 0.10 R $_{Earth}$, M $_{pl}$ =
6.9 {\plusmn} 1.2 M $_{Earth}$). It is extremely close to its star
( a = 0.0171 AU = 4.48 R $_{st}$), with its spin and orbital
rotation likely synchronised. The comparison of its location in the ( M
$_{pl}$, R $_{pl}$) plane with the predictions of planetary
models for different compositions points to an Earth-like composition,
even if the error bars of the measured quantities and the partial
degeneracy of the models prevent a definitive conclusion. The proximity
to its star provides an additional constraint on the model. It implies a
high extreme-UV flux and particle wind, and the corresponding efficient
erosion of the planetary atmosphere especially for volatile species
including water. Consequently, we make the working hypothesis that the
planet is rocky with no volatiles in its atmosphere, and derive the
physical properties that result. As a consequence, the atmosphere is
made of rocky vapours with a very low pressure ( P {\les} 1.5 Pa), no
cloud can be sustained, and no thermalisation of the planet is expected.
The dayside is very hot (2474 {\plusmn} 71 K at the sub-stellar point)
while the nightside is very cold (50-75 K). The sub-stellar point is as
hot as the tungsten filament of an incandescent bulb, resulting in the
melting and distillation of silicate rocks and the formation of a lava
ocean. These possible features of CoRoT-7b could be common to many small
and hot planets, including the recently discovered Kepler-10b. They
define a new class of objects that we propose to name '' Lava-ocean
planets''.
}},
doi = {10.1016/j.icarus.2011.02.004},
adsurl = {http://adsabs.harvard.edu/abs/2011Icar..213....1L},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
@article{2011ClDy...36.1365G,
author = {{Goubanova}, K. and {Echevin}, V. and {Dewitte}, B. and {Codron}, F. and
{Takahashi}, K. and {Terray}, P. and {Vrac}, M.},
title = {{Statistical downscaling of sea-surface wind over the Peru-Chile upwelling region: diagnosing the impact of climate change from the IPSL-CM4 model}},
journal = {Climate Dynamics},
keywords = {Statistical downscaling, Coastal wind, Upwelling, Peru, Chile, Climate change},
year = 2011,
month = apr,
volume = 36,
pages = {1365-1378},
abstract = {{The key aspect of the ocean circulation off Peru-Chile is the
wind-driven upwelling of deep, cold, nutrient-rich waters that promote a
rich marine ecosystem. It has been suggested that global warming may be
associated with an intensification of upwelling-favorable winds.
However, the lack of high-resolution long-term observations has been a
limitation for a quantitative analysis of this process. In this study,
we use a statistical downscaling method to assess the regional impact of
climate change on the sea-surface wind over the Peru-Chile upwelling
region as simulated by the global coupled general circulation model
IPSL-CM4. Taking advantage of the high-resolution QuikSCAT wind product
and of the NCEP reanalysis data, a statistical model based on multiple
linear regressions is built for the daily mean meridional and zonal wind
at 10 m for the period 2000-2008. The large-scale 10 m wind components
and sea level pressure are used as regional circulation predictors. The
skill of the downscaling method is assessed by comparing with the
surface wind derived from the ERS satellite measurements, with in situ
wind observations collected by ICOADS and through cross-validation. It
is then applied to the outputs of the IPSL-CM4 model over stabilized
periods of the pre-industrial, 2 {\times} CO$_{2}$ and 4 {\times}
CO$_{2}$ IPCC climate scenarios. The results indicate that surface
along-shore winds off central Chile (off central Peru) experience a
significant intensification (weakening) during Austral winter (summer)
in warmer climates. This is associated with a general decrease in
intra-seasonal variability.
}},
doi = {10.1007/s00382-010-0824-0},
adsurl = {http://adsabs.harvard.edu/abs/2011ClDy...36.1365G},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
