Snow melt-out date (SMOD) change spanning four decades in European temperate mountains at 30 m from Landsat time series
Abstract Documenting long-term snow cover changes at high spatial resolution is especially challenging in mountain environments due to limited high-elevation ground observations and the coarse resolution of current climate models. This paper presents a dataset of snow melt-out dates (SMOD) at 30-m s...
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Nature Portfolio
2025-04-01
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| Series: | Scientific Data |
| Online Access: | https://doi.org/10.1038/s41597-025-05044-2 |
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| author | Arthur Bayle Simon Gascoin Christophe Corona Markus Stoffel Philippe Choler |
| author_facet | Arthur Bayle Simon Gascoin Christophe Corona Markus Stoffel Philippe Choler |
| author_sort | Arthur Bayle |
| collection | DOAJ |
| description | Abstract Documenting long-term snow cover changes at high spatial resolution is especially challenging in mountain environments due to limited high-elevation ground observations and the coarse resolution of current climate models. This paper presents a dataset of snow melt-out dates (SMOD) at 30-m spatial resolution for two periods—the 1990s (1985–1996) and the 2010s (2011–2022)—across temperate European mountain ranges (Pyrenees, European Alps, and Greater Caucasus), derived from Landsat time series. To address the limited number of observations in the Landsat archive, data were aggregated over 12-year periods, enabling assessment of SMOD changes over four decades at a spatial resolution relevant to above-treeline ecosystems. The SMOD dataset was validated using snow depth station records (R2 ~ 0.75, MAE ~ 7 days) and soil temperature data (R2 ~ 0.7, MAE ~ 10 days) from the Pyrenees and European Alps. Potential applications of the dataset extend beyond alpine ecology, with possible contributions to risk assessments, hydrology, and snow climatology in the context of climate change. |
| format | Article |
| id | doaj-art-9bd3d19f0a7844ad891a0099f5daae69 |
| institution | OA Journals |
| issn | 2052-4463 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Nature Portfolio |
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| series | Scientific Data |
| spelling | doaj-art-9bd3d19f0a7844ad891a0099f5daae692025-08-20T01:47:33ZengNature PortfolioScientific Data2052-44632025-04-0112111110.1038/s41597-025-05044-2Snow melt-out date (SMOD) change spanning four decades in European temperate mountains at 30 m from Landsat time seriesArthur Bayle0Simon Gascoin1Christophe Corona2Markus Stoffel3Philippe Choler4Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, LECAUniv. Toulouse, CESBIO, CNES CNRS IRD INRAE UT3 Paul SabatierUniv. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, LECAClimate Change Impacts and Risks in the Anthropocene (C-CIA), Institute for Environmental Sciences, University of GenevaUniv. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, LECAAbstract Documenting long-term snow cover changes at high spatial resolution is especially challenging in mountain environments due to limited high-elevation ground observations and the coarse resolution of current climate models. This paper presents a dataset of snow melt-out dates (SMOD) at 30-m spatial resolution for two periods—the 1990s (1985–1996) and the 2010s (2011–2022)—across temperate European mountain ranges (Pyrenees, European Alps, and Greater Caucasus), derived from Landsat time series. To address the limited number of observations in the Landsat archive, data were aggregated over 12-year periods, enabling assessment of SMOD changes over four decades at a spatial resolution relevant to above-treeline ecosystems. The SMOD dataset was validated using snow depth station records (R2 ~ 0.75, MAE ~ 7 days) and soil temperature data (R2 ~ 0.7, MAE ~ 10 days) from the Pyrenees and European Alps. Potential applications of the dataset extend beyond alpine ecology, with possible contributions to risk assessments, hydrology, and snow climatology in the context of climate change.https://doi.org/10.1038/s41597-025-05044-2 |
| spellingShingle | Arthur Bayle Simon Gascoin Christophe Corona Markus Stoffel Philippe Choler Snow melt-out date (SMOD) change spanning four decades in European temperate mountains at 30 m from Landsat time series Scientific Data |
| title | Snow melt-out date (SMOD) change spanning four decades in European temperate mountains at 30 m from Landsat time series |
| title_full | Snow melt-out date (SMOD) change spanning four decades in European temperate mountains at 30 m from Landsat time series |
| title_fullStr | Snow melt-out date (SMOD) change spanning four decades in European temperate mountains at 30 m from Landsat time series |
| title_full_unstemmed | Snow melt-out date (SMOD) change spanning four decades in European temperate mountains at 30 m from Landsat time series |
| title_short | Snow melt-out date (SMOD) change spanning four decades in European temperate mountains at 30 m from Landsat time series |
| title_sort | snow melt out date smod change spanning four decades in european temperate mountains at 30 m from landsat time series |
| url | https://doi.org/10.1038/s41597-025-05044-2 |
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