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Il passo del Tsanfleuron, situato tra Vaud e Vallese, è completamente riemerso dal ghiaccio. Non succedeva da almeno 2000 anni. Nel 2012 nello stesso punto lo spessore del ghiaccio era ancora di quindici metri.
La zona in questione si trova tra il ghiacciaio Scex Rouge, che scende sul versante vodese del massiccio di Les Diablerets, e quello del Tsanfleuron, posto nel territorio del comune vallesano di Savièse. Fino a poche settimane fa, le due lingue di ghiaccio erano ancora collegate da un sottile striscia. Ora i visitatori sono tornati a camminare direttamente sulla roccia.
Dieci anni fa, qui c'erano ancora quindici metri di ghiaccio
La situazione visibile sul passo del Tsanfleuron, a 2'800 metri d'altitudine, è una delle conseguenze dello scioglimento da record dei ghiacciai registrato nell'estate 2022 sulle Alpi. "Altri anni come il 2011, il 2015, il 2018 e il 2019, hanno già visto una fusione molto forte. Ma il 2022 è davvero diverso e batte tutti i record" ha affermato di recente il glaciologo Matthias Huss, direttore della Rete di monitoraggio dei ghiacciai svizzeri (GLAMOS).
Il passo del Tsanfleuron si trova a 2'800 metri d'altitudine
Ghiacciai sempre più sotto pressione
Il Quotidiano 05.07.2022, 21:00
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