lmd_Rio2010.bib

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@article{2010BoLMe.135..469R,
  author = {{Rio}, C. and {Hourdin}, F. and {Couvreux}, F. and {Jam}, A.
	},
  title = {{Resolved Versus Parametrized Boundary-Layer Plumes. Part II: Continuous Formulations of Mixing Rates for Mass-Flux Schemes}},
  journal = {Boundary-Layer Meteorology},
  keywords = {Boundary-layer thermals, Entrainment and detrainment, Large-eddy simulations, Mass-flux parametrization},
  year = 2010,
  month = jun,
  volume = 135,
  pages = {469-483},
  abstract = {{The conditional sampling of coherent structures in large-eddy
simulations of the convective boundary layer (Couvreux et al.
Boundary-layer Meteorol 134:441-458, 2010) is used to propose and
evaluate formulations of fractional entrainment and detrainment rates
for mass-flux schemes. The proposed formulations are physically-based
and continuous from the surface to the top of clouds. Entrainment is
related to the updraft vertical velocity divergence, while detrainment
depends on the thermal vertical velocity, on buoyancy and on the
moisture contrast between the mean plume and its environment. The
proposed formulations are first directly evaluated in simulations of
shallow clouds. They are then tested in single-column simulations with
the thermal plume model, a mass-flux representation of boundary-layer
thermals.
}},
  doi = {10.1007/s10546-010-9478-z},
  adsurl = {http://adsabs.harvard.edu/abs/2010BoLMe.135..469R},
  adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@article{2010ACP....10.3463R,
  author = {{Rio}, C. and {Hourdin}, F. and {Chédin}, A.},
  title = {{Numerical simulation of tropospheric injection of biomass burning products by pyro-thermal plumes}},
  journal = {Atmospheric Chemistry \& Physics},
  year = 2010,
  month = apr,
  volume = 10,
  pages = {3463-3478},
  abstract = {{The thermal plume model, a mass-flux scheme originally developed to
represent the vertical transport by convective structures within the
boundary layer, is adapted to the representation of plumes generated by
fires, with the aim of estimating the height at which fire emissions are
actually injected in the atmosphere. The parameterization, which takes
into account the excess of near surface temperature induced by fires and
the mixing between convective plumes and environmental air, is first
evaluated on two well-documented fires. Simulations over Southern Africa
performed with the general circulation model LMDZ over one month show
that the CO$_{2}$ can be injected far above the boundary layer
height, leading to a daily excess of CO$_{2}$ in the
mid-troposphere of an order of 2 ppmv. These results agree with
satellite retrievals of a diurnal cycle of CO$_{2}$ in the free
troposphere over regions affected by biomass burning in the Tropics.
}},
  adsurl = {http://adsabs.harvard.edu/abs/2010ACP....10.3463R},
  adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@article{2010BoLMe.134..441C,
  author = {{Couvreux}, F. and {Hourdin}, F. and {Rio}, C.},
  title = {{Resolved Versus Parametrized Boundary-Layer Plumes. Part I: A Parametrization-Oriented Conditional Sampling in Large-Eddy Simulations}},
  journal = {Boundary-Layer Meteorology},
  keywords = {Coherent structures, Conditional sampling, Convective boundary layer, Large-eddy simulations, Mass-flux parametrization},
  year = 2010,
  month = mar,
  volume = 134,
  pages = {441-458},
  abstract = {{A conditional sampling based on the combination of a passive tracer
emitted at the surface and thermodynamic variables is proposed to
characterise organized structures in large-eddy simulations of
cloud-free and cloudy boundary layers. The sampling is evaluated against
more traditional sampling of dry thermals or clouds. It enables the
characterization of convective updrafts from the surface to the top of
the boundary layer (or the top of cumulus clouds), describing in
particular the transition from the sub-cloud to the cloud layer, and
retrieves plume characteristics, entrainment and detrainment rates,
variances and fluxes. This sampling is used to analyze the contribution
of boundary-layer thermals to vertical fluxes and variances.
}},
  doi = {10.1007/s10546-009-9456-5},
  adsurl = {http://adsabs.harvard.edu/abs/2010BoLMe.134..441C},
  adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}