Articles | Volume 20, issue 3
https://doi.org/10.5194/tc-20-1619-2026
https://doi.org/10.5194/tc-20-1619-2026
Research article
 | 
18 Mar 2026
Research article |  | 18 Mar 2026

Light-absorbing snow impurities: nine years (2016–2024) of snowpack sampling close to Sonnblick Observatory, Austrian Alps

Daniela Kau, Marion Greilinger, Andjela Vukićević, Jakub Bielecki, Laura Kronlachner, and Anne Kasper-Giebl

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Short summary
We quantify elemental carbon and mineral dust in the seasonal snow cover sampled at a high-alpine site (2016–2024). The co-occurrence of these compounds in thermal-optical analysis necessitates a linear laser correction to minimize the bias for elemental carbon. We identify samples containing mineral dust via thermal-optical analysis and compare it to an approach from literature. We approximate mineral dust from thermal-optical analysis data and the composition of dust from long-range transport.
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