Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 5, issue 3
Articles | Volume 5, issue 3
https://doi.org/10.5194/wcd-5-1137-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-5-1137-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 5, issue 3
Research article
 | 
23 Sep 2024
Research article |  | 23 Sep 2024

Spatial and temporal variability of the freezing level in Patagonia's atmosphere

Nicolás García-Lee, Claudio Bravo, Álvaro Gónzalez-Reyes, and Piero Mardones
Editorial note: the supplement was replaced on 31 October 2024 as values in Table S1 were erroneous. This has now been corrected.

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Cited articles

Abram, N. J., Mulvaney, R., Vimeux, F., Phipps, S. J., Turner, J., and England, M. H.: Evolution of the Southern Annular Mode during the past millennium, Nat. Clim. Change, 4, 564–569, https://doi.org/10.1038/nclimate2235, 2014. 
Aravena, J. C. and Luckman, B. H.: Spatio-temporal rainfall patterns in Southern South America, Int. J. Climatol., 29, 2106–2120, https://doi.org/10.1002/JOC.1761, 2009. 
Aguayo, R., León-Muñoz, J., Vargas-Baecheler, J., Montecinos, A., Garreaud, R., Urbina, M., Soto, D., and Iriarte, J. L.: The glass half-empty: climate change drives lower freshwater input in the coastal system of the Chilean Northern Patagonia, Clim. Change, 155, 417–435, https://doi.org/10.1007/s10584-019-02495-6, 2019. 
Bravo, C., Bozkurt, D., Gonzalez-Reyes, Á., Quincey, D. J., Ross, A. N., Farías-Barahona, D., and Rojas, M.: Assessing snow accumulation patterns and changes on the Patagonian Icefields, Front. Environ. Sci., 7, 30, https://doi.org/10.3389/fenvs.2019.00030, 2019. 
Bravo, C., Ross, A. N., Quincey, D. J., Cisternas, S., and Rivera, A.: Surface ablation and its drivers along a west–east transect of the Southern Patagonia Icefield, J. Glaciol., 68, 305–318, https://doi.org/10.1017/jog.2021.92, 2022. 
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Short summary
This study analyses the 0 °C isotherm in Patagonia from 1959 to 2021, using observational and fifth-generation European Centre for Medium-Range Weather Forecasts atmospheric reanalysis data. The model aligns well with observations, highlighting significant altitude variations between the western and eastern sides of the austral Andes, a correlation between isotherm fluctuations and the Southern Annular Mode index, and an upward trend in the study area (especially in northwestern Patagonia).
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