Articles | Volume 10, issue 4
The Cryosphere, 10, 1647–1663, 2016
https://doi.org/10.5194/tc-10-1647-2016
The Cryosphere, 10, 1647–1663, 2016
https://doi.org/10.5194/tc-10-1647-2016

Research article 29 Jul 2016

Research article | 29 Jul 2016

Isotopic exchange on the diurnal scale between near-surface snow and lower atmospheric water vapor at Kohnen station, East Antarctica

François Ritter et al.

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Short summary
We present successful continuous measurements of water vapor isotopes performed in Antarctica in January 2013. The interest is to understand the impact of the water vapor isotopic composition on the near-surface snow isotopes. Our study reveals a diurnal cycle in the snow isotopic composition in phase with the vapor. This finding suggests fractionation during the sublimation of the ice, which has an important consequence on the interpretation of water isotope variations in ice cores.