Articles | Volume 18, issue 9
https://doi.org/10.5194/essd-18-7097-2026
https://doi.org/10.5194/essd-18-7097-2026
Data description article
 | 
28 Sep 2026
Data description article |  | 28 Sep 2026

Daily snow depth in the Southern Andes (2010–2024): a quality-controlled dataset from Chile and Argentina

Alexis Caro, Javier Medina, Freddy Saavedra, Fernando Gimeno, Jorge Huenante, Mariano Masiokas, Cristian Orrego, Ana Hernández, James McPhee, Pierre Pitte, Sebastián Krogh, David Farías-Barahona, Nevenka Bulovic, Iñigo Irarrázaval, Shelley MacDonell, Mauricio Zambrano-Bigiarini, and Carlos Romero

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Cited articles

Aguayo, R., León-Muñoz, J., Aguayo, M., Baez-Villanueva, O., Fernandez, A., Zambrano-Bigiarini, M., Fernández, A., and Jacques-Coper, M.: PatagoniaMet: A multi-source hydrometeorological dataset for Western Patagonia, Sci. Data., 11, 6, https://doi.org/10.1038/s41597-023-02828-2, 2024. 
Alvarez-Garreton, C., Boisier, J. P., Garreaud, R., Seibert, J., and Vis, M.: Progressive water deficits during multiyear droughts in basins with long hydrological memory in Chile, Hydrol. Earth Syst. Sci., 25, 429–446, https://doi.org/10.5194/hess-25-429-2021, 2021. 
Alvial Vásquez, F.-J., Abarca-del-Río, R., and Ávila, A. I.: High-Resolution Precipitation Gridded Dataset on the South-Central Zone (34° S–41° S) of Chile, Front. Earth Sci., 8, 519975, https://doi.org/10.3389/feart.2020.519975, 2020. 
Ayala, Á., Pellicciotti, F., Peleg, N., and Burlando, P.: Melt and surface sublimation across a glacier in a dry environment: distributed energy-balance modelling of Juncal Norte Glacier, Chile, J. Glaciol., 63, 803–822, https://doi.org/10.1017/jog.2017.46, 2017. 
Ayala, Á., Farías-Barahona, D., Huss, M., Pellicciotti, F., McPhee, J., and Farinotti, D.: Glacier runoff variations since 1955 in the Maipo River basin, in the semiarid Andes of central Chile, The Cryosphere, 14, 2005–2027, https://doi.org/10.5194/tc-14-2005-2020, 2020. 
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Short summary
Snowpack dynamics in the Southern Andes remain poorly quantified due to sparse and inconsistent in situ data, limiting hydrological modeling. We compile and quality-control daily snow depth observations from 81 stations (21–54° S, 2010–2024). The resulting dataset improves the Physical Consistency Index (up to 95 %) despite reduced data availability, reveals a north–south increase in snow depth but no consistent positive relationship with elevation across river basins.
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