The Concordiasi Project in Antarctica - INSU - Institut national des sciences de l'Univers Accéder directement au contenu
Article Dans Une Revue Bulletin of the American Meteorological Society Année : 2010

The Concordiasi Project in Antarctica

Eric Brun
  • Fonction : Auteur
  • PersonId : 760350
  • IdRef : 126980608
Christophe Genthon
Yves Frenot
  • Fonction : Auteur

Résumé

The Concordiasi project is making innovative observations of the atmosphere above Antarctica. The most important goals of the Concordiasi are as follows: 1. To enhance the accuracy of weather prediction and climate records in Antarctica through the assimilation of in situ and satellite data, with an emphasis on data provided by hyperspectral infrared sounders. The focus is on clouds, precipitation, and the mass budget of the ice sheets. The improvements in dynamical model analyses and forecasts will be used in chemical-transport models that describe the links between the polar vortex dynamics and ozone depletion, and to advance the understanding of the Earth system by examining the interactions between Antarctica and lower latitudes. 2. To improve our understanding of microphysical and dynamical processes controlling the polar ozone, by providing the first quasi-Lagrangian observations of stratospheric ozone and particles, in addition to an improved characterization of the 3D polar vortex dynamics. Techniques for assimilating these Lagrangian observations are being developed. A major Concordiasi component is a field experiment during the austral springs of 2008-10. The field activities in 2010 are based on a constellation of up to 18 long-duration stratospheric super-pressure balloons (SPBs) deployed from the McMurdo station. Six of these balloons will carry GPS receivers and in situ instruments measuring temperature, pressure, ozone, and particles. Twelve of the balloons will release drop-sondes on demand for measuring atmospheric parameters. Lastly, radiosounding measurements are collected at various sites, including the Concordia station.
Fichier principal
Vignette du fichier
[15200477 - Bulletin of the American Meteorological Society] The Concordiasi Project in Antarctica.pdf (2.65 Mo) Télécharger le fichier
Origine : Fichiers éditeurs autorisés sur une archive ouverte

Dates et versions

insu-00562459 , version 1 (14-01-2021)

Identifiants

Citer

Florence Rabier, Aurélie Bouchard, Eric Brun, Alexis Doerenbecher, Stéphanie Guedj, et al.. The Concordiasi Project in Antarctica. Bulletin of the American Meteorological Society, 2010, 91 (1), pp.69-86. ⟨10.1175/2009BAMS2764.1⟩. ⟨insu-00562459⟩
389 Consultations
115 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More