Articles | Volume 17, issue 1
Research article
13 Jan 2017
Research article |  | 13 Jan 2017

Atmospheric moisture supersaturation in the near-surface atmosphere at Dome C, Antarctic Plateau

Christophe Genthon, Luc Piard, Etienne Vignon, Jean-Baptiste Madeleine, Mathieu Casado, and Hubert Gallée

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Revised manuscript accepted for ESSD
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Ice fog observed at cirrus temperatures at Dome C, Antarctic Plateau
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Cited articles

Anderson, P. S.: Evidence for an Antarctic winter coastal polynya, Antarct. Sci., 5, 221–226, 1993.
Anderson, P. S.: Mechanism for the behaviour of hydroactive materials in humidity sensors, J. Atmos. Ocean. Tech., 12, 662–667, 1994.
Andreas, E. L.: A theory for scalar roughness and the scalar transfer coefficients over snow and sea ice, Bound.-Lay. Meteorol., 38, 159–184, 1987.
Arthern, R. J., Winebrenner, D. P., and Vaughan, D. G.: Antarctic snow accumulation mapped using polarization of 4.3-cm wavelength microwave emission, J. Geophys. Res., 111, D06107,, 2006.
Barral, H., Genthon, C., Trouvilliez, A., Brun, C., and Amory, C.: Blowing snow in coastal Adélie Land, Antarctica: three atmospheric moisture issues, The Cryosphere, 8, 1905–1919,, 2014.

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Short summary
Natural atmospheric supersaturation is a norm rather than an exception at the surface of Dome C on the Antarctic Plateau. This is reported by hygrometers adapted to perform in extreme cold environments and avoid release of excess moisture before it is measured. One year of observation shows that atmospheric models with cold microphysics parameterizations designed for high altitude cirrus reproduce frequently but fail with the detailed statistics of supersaturation at the surface of Dome C.
Final-revised paper