The Concordiasi project in Antarctica

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.

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Author Rabier, Florence
Bouchard, Aurelie
Brun, Eric
Doerenbecher, Alexis
Guedj, Stephanie
Guidard, Vincent
Karbou, Fatima
Peuch, Vincent-Henri
El Amraoui, Laaziz
Puech, Dominique
Genthon, Christophe
Picard, Ghislain
Town, Michael
Hertzog, Albert
Vial, Francois
Cocquerez, Philippe
Cohn, Stephen
Hock, Terrence
Fox, Jack
Cole, Harold
Parsons, David
Powers, Jordan
Romberg, Keith
Van Andel, Joseph
Deshler, Terry
Mercer, Jennifer
Haase, Jennifer
Avallone, Linnea
Kalnajs, Lars
Mechoso, C.
Tangborn, Andrew
Pellegrini, Andrea
Frenot, Yves
Thepaut, Jean-Noel
McNally, Anthony
Balsamo, Gianpaolo
Steinle, Peter
Publisher UCAR/NCAR - Library
Publication Date 2010-01-01T00:00:00
Digital Object Identifier (DOI) Not Assigned
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Topic Category geoscientificInformation
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Metadata Date 2023-08-18T18:23:57.242065
Metadata Record Identifier edu.ucar.opensky::articles:10476
Metadata Language eng; USA
Suggested Citation Rabier, Florence, Bouchard, Aurelie, Brun, Eric, Doerenbecher, Alexis, Guedj, Stephanie, Guidard, Vincent, Karbou, Fatima, Peuch, Vincent-Henri, El Amraoui, Laaziz, Puech, Dominique, Genthon, Christophe, Picard, Ghislain, Town, Michael, Hertzog, Albert, Vial, Francois, Cocquerez, Philippe, Cohn, Stephen, Hock, Terrence, Fox, Jack, Cole, Harold, Parsons, David, Powers, Jordan, Romberg, Keith, Van Andel, Joseph, Deshler, Terry, Mercer, Jennifer, Haase, Jennifer, Avallone, Linnea, Kalnajs, Lars, Mechoso, C., Tangborn, Andrew, Pellegrini, Andrea, Frenot, Yves, Thepaut, Jean-Noel, McNally, Anthony, Balsamo, Gianpaolo, Steinle, Peter. (2010). The Concordiasi project in Antarctica. UCAR/NCAR - Library. http://n2t.net/ark:/85065/d7gf0tzf. Accessed 24 June 2025.

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