Climate of the Past
Climate of the Past
CP
Articles | Volume 21, issue 3
Articles | Volume 21, issue 3
https://doi.org/10.5194/cp-21-609-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-21-609-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 3
Research article
 | 
10 Mar 2025
Research article |  | 10 Mar 2025

Multi-century mean summer temperature variations in the Southern Rhaetian Alps reconstructed from Larix decidua blue intensity data

Riccardo Cerrato, Maria Cristina Salvatore, Michele Brunetti, Andrea Somma, and Carlo Baroni

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Short summary
Understanding past climates requires data extending beyond modern instrumental records. This study shows that blue intensity (BI) measurements from European larch trees in the Southern Rhaetian Alps provide a stronger proxy for reconstructing past summer temperatures than traditional tree-ring-width data. BI processing enables regional-scale reconstructions and helps extend these reconstructions to the Mediterranean Basin and northern Europe, with excellent correlations to existing data.
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