The Cryosphere
The Cryosphere
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Articles | Volume 17, issue 12
Articles | Volume 17, issue 12
https://doi.org/10.5194/tc-17-5373-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/tc-17-5373-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 12
Research article
 | 
18 Dec 2023
Research article |  | 18 Dec 2023

Control of the temperature signal in Antarctic proxies by snowfall dynamics

Aymeric P. M. Servettaz, Cécile Agosta, Christoph Kittel, and Anaïs J. Orsi

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Short summary
It has been previously observed in polar regions that the atmospheric temperature is warmer during precipitation events. Here, we use a regional atmospheric model to quantify the temperature changes associated with snowfall events across Antarctica. We show that more intense snowfall is statistically associated with a warmer temperature anomaly compared to the seasonal average, with the largest anomalies seen in winter. This bias may affect water isotopes in ice cores deposited during snowfall.
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Special issue
Ice core science at the three poles (CP/TC inter-journal SI)