Standard

Antarctic boundary layer parametrization in a general circulation model : 1-D simulations facing summer observations at Dome C. / Vignon, Etienne; Hourdin, Frédéric; Genthon, Christophe; Gallée, Hubert; Bazile, Eric; Lefebvre, Marie Pierre; Madeleine, Jean Baptiste; Van de wiel, Bas J.H.

In: Journal Of Geophysical Research-Atmospheres, Vol. 122, No. 13, 2017, p. 6818-6843.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Vignon, E, Hourdin, F, Genthon, C, Gallée, H, Bazile, E, Lefebvre, MP, Madeleine, JB & Van de wiel, BJH 2017, 'Antarctic boundary layer parametrization in a general circulation model: 1-D simulations facing summer observations at Dome C', Journal Of Geophysical Research-Atmospheres, vol. 122, no. 13, pp. 6818-6843. https://doi.org/10.1002/2017JD026802

APA

Vignon, E., Hourdin, F., Genthon, C., Gallée, H., Bazile, E., Lefebvre, M. P., Madeleine, J. B., & Van de wiel, B. J. H. (2017). Antarctic boundary layer parametrization in a general circulation model: 1-D simulations facing summer observations at Dome C. Journal Of Geophysical Research-Atmospheres, 122(13), 6818-6843. https://doi.org/10.1002/2017JD026802

Vancouver

Vignon E, Hourdin F, Genthon C, Gallée H, Bazile E, Lefebvre MP et al. Antarctic boundary layer parametrization in a general circulation model: 1-D simulations facing summer observations at Dome C. Journal Of Geophysical Research-Atmospheres. 2017;122(13):6818-6843. https://doi.org/10.1002/2017JD026802

Author

Vignon, Etienne ; Hourdin, Frédéric ; Genthon, Christophe ; Gallée, Hubert ; Bazile, Eric ; Lefebvre, Marie Pierre ; Madeleine, Jean Baptiste ; Van de wiel, Bas J.H. / Antarctic boundary layer parametrization in a general circulation model : 1-D simulations facing summer observations at Dome C. In: Journal Of Geophysical Research-Atmospheres. 2017 ; Vol. 122, No. 13. pp. 6818-6843.

BibTeX

@article{4366502500c04efb885b65f999e1ac52,
title = "Antarctic boundary layer parametrization in a general circulation model: 1-D simulations facing summer observations at Dome C",
abstract = "The parametrization of the atmospheric boundary layer (ABL) is critical over the Antarctic Plateau for climate modelling since it affects the climatological temperature inversion and the negatively buoyant near-surface flow over the ice-sheet. This study challenges state-of-the-art parametrizations used in general circulation models to represent the clear-sky summertime diurnal cycle of the ABL at Dome C, Antarctic Plateau. The Laboratoire de M{\'e}t{\'e}orologie Dynamique-Zoom model is run in a 1-D configuration on the fourth Global Energy and Water Cycle Exchanges Project Atmospheric Boundary Layers Study case. Simulations are analyzed and compared to observations, giving insights into the sensitivity of one model that participates to the intercomparison exercise. Snow albedo and thermal inertia are calibrated leading to better surface temperatures. Using the so-called {"}thermal plume model{"} improves the momentum mixing in the diurnal ABL. In stable conditions, four turbulence schemes are tested. Best simulations are those in which the turbulence cuts off above 35 m in the middle of the night, highlighting the contribution of the longwave radiation in the ABL heat budget. However, the nocturnal surface layer is not stable enough to distinguish between surface fluxes computed with different stability functions. The absence of subsidence in the forcings and an underestimation of downward longwave radiation are identified to be likely responsible for a cold bias in the nocturnal ABL. Apart from model-specific improvements, the paper clarifies on which are the critical aspects to improve in general circulation models to correctly represent the summertime ABL over the Antarctic Plateau.",
keywords = "Antarctic Plateau, Atmospheric boundary layer, GABLS4, General circulation model, Physical parametrizations",
author = "Etienne Vignon and Fr{\'e}d{\'e}ric Hourdin and Christophe Genthon and Hubert Gall{\'e}e and Eric Bazile and Lefebvre, {Marie Pierre} and Madeleine, {Jean Baptiste} and {Van de wiel}, {Bas J.H.}",
year = "2017",
doi = "10.1002/2017JD026802",
language = "English",
volume = "122",
pages = "6818--6843",
journal = "Journal Of Geophysical Research-Atmospheres",
issn = "2169-897x",
number = "13",

}

RIS

TY - JOUR

T1 - Antarctic boundary layer parametrization in a general circulation model

T2 - 1-D simulations facing summer observations at Dome C

AU - Vignon, Etienne

AU - Hourdin, Frédéric

AU - Genthon, Christophe

AU - Gallée, Hubert

AU - Bazile, Eric

AU - Lefebvre, Marie Pierre

AU - Madeleine, Jean Baptiste

AU - Van de wiel, Bas J.H.

PY - 2017

Y1 - 2017

N2 - The parametrization of the atmospheric boundary layer (ABL) is critical over the Antarctic Plateau for climate modelling since it affects the climatological temperature inversion and the negatively buoyant near-surface flow over the ice-sheet. This study challenges state-of-the-art parametrizations used in general circulation models to represent the clear-sky summertime diurnal cycle of the ABL at Dome C, Antarctic Plateau. The Laboratoire de Météorologie Dynamique-Zoom model is run in a 1-D configuration on the fourth Global Energy and Water Cycle Exchanges Project Atmospheric Boundary Layers Study case. Simulations are analyzed and compared to observations, giving insights into the sensitivity of one model that participates to the intercomparison exercise. Snow albedo and thermal inertia are calibrated leading to better surface temperatures. Using the so-called "thermal plume model" improves the momentum mixing in the diurnal ABL. In stable conditions, four turbulence schemes are tested. Best simulations are those in which the turbulence cuts off above 35 m in the middle of the night, highlighting the contribution of the longwave radiation in the ABL heat budget. However, the nocturnal surface layer is not stable enough to distinguish between surface fluxes computed with different stability functions. The absence of subsidence in the forcings and an underestimation of downward longwave radiation are identified to be likely responsible for a cold bias in the nocturnal ABL. Apart from model-specific improvements, the paper clarifies on which are the critical aspects to improve in general circulation models to correctly represent the summertime ABL over the Antarctic Plateau.

AB - The parametrization of the atmospheric boundary layer (ABL) is critical over the Antarctic Plateau for climate modelling since it affects the climatological temperature inversion and the negatively buoyant near-surface flow over the ice-sheet. This study challenges state-of-the-art parametrizations used in general circulation models to represent the clear-sky summertime diurnal cycle of the ABL at Dome C, Antarctic Plateau. The Laboratoire de Météorologie Dynamique-Zoom model is run in a 1-D configuration on the fourth Global Energy and Water Cycle Exchanges Project Atmospheric Boundary Layers Study case. Simulations are analyzed and compared to observations, giving insights into the sensitivity of one model that participates to the intercomparison exercise. Snow albedo and thermal inertia are calibrated leading to better surface temperatures. Using the so-called "thermal plume model" improves the momentum mixing in the diurnal ABL. In stable conditions, four turbulence schemes are tested. Best simulations are those in which the turbulence cuts off above 35 m in the middle of the night, highlighting the contribution of the longwave radiation in the ABL heat budget. However, the nocturnal surface layer is not stable enough to distinguish between surface fluxes computed with different stability functions. The absence of subsidence in the forcings and an underestimation of downward longwave radiation are identified to be likely responsible for a cold bias in the nocturnal ABL. Apart from model-specific improvements, the paper clarifies on which are the critical aspects to improve in general circulation models to correctly represent the summertime ABL over the Antarctic Plateau.

KW - Antarctic Plateau

KW - Atmospheric boundary layer

KW - GABLS4

KW - General circulation model

KW - Physical parametrizations

UR - http://www.scopus.com/inward/record.url?scp=85022185566&partnerID=8YFLogxK

UR - http://resolver.tudelft.nl/uuid:43665025-00c0-4efb-885b-65f999e1ac52

U2 - 10.1002/2017JD026802

DO - 10.1002/2017JD026802

M3 - Article

AN - SCOPUS:85022185566

VL - 122

SP - 6818

EP - 6843

JO - Journal Of Geophysical Research-Atmospheres

JF - Journal Of Geophysical Research-Atmospheres

SN - 2169-897x

IS - 13

ER -

ID: 22714321