Articles | Volume 20, issue 3
https://doi.org/10.5194/tc-20-1715-2026
https://doi.org/10.5194/tc-20-1715-2026
Research article
 | 
23 Mar 2026
Research article |  | 23 Mar 2026

A remote sensing approach for measuring climatic change effects on snow cover dynamics

Francesco Parizia, Samuele De Petris, Luigi Perotti, Marco Giardino, and Enrico Borgogno-Mondino

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Cited articles

Arpa Piemonte: Banca dati storica, https://www.arpa.piemonte.it/rischi_naturali/snippets_arpa_graphs/map_meteoweb/?rete=stazione_meteorologica, last access: 17 February 2025. 
Arpa VdA: Dataview, https://presidi2.regione.vda.it/str_dataview, last access: 17 February 2025. 
Arreola-Esquivel, M., Toxqui-Quitl, C., Delgadillo-Herrera, M., Padilla-Vivanco, A., Ortega-Mendoza, G., and Carbone, A.: Non-Binary Snow Index for Multi-Component Surfaces, Remote Sens., 13, 2777, https://doi.org/10.3390/rs13142777, 2021. 
Avanzi, F.: La neve di ogi è l'acqua di domani: cosa ci ha insegnato la siccità del 2021–2024, Nimbus, 92, 26–35, 2024. 
Avanzi, F., Munerol, F., Milelli, M., Gabellani, S., Massari, C., Girotto, M., Cremonese, E., Galvagno, M., Bruno, G., Morra di Cella, U., Rossi, L., Altamura, M., and Ferraris, L.: Winter snow deficit was a harbinger of summer 2022 socio-hydrologic drought in the Po Basin, Italy, Commun. Earth Environ., 5, 64, https://doi.org/10.1038/s43247-024-01222-z, 2024. 
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Short summary
This study introduces innovative methods in cryospheric research by mapping and quantifying multi-decadal snow cover changes in the Western Alps using remote sensing. The normalized trend (nT) index offers a novel metric for analyzing annual mean snow events. This enables intensity analysis of climate change impacts on snow dynamics, highlighting critical vulnerabilities in water management and regional economic systems.
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