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Minor imbalance of the lowermost Italian glacier from 2006 to 2019

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De Marco, Jessica ; Carturan, Luca ; Piermattei, Livia ; Cucchiaro, Sara ; Moro, Daniele ; Dalla Fontana, Giancarlo ; Cazorzi, Federico:
Minor imbalance of the lowermost Italian glacier from 2006 to 2019.
In: Water. 12 (2020) 9: 2503. - 21 S.
ISSN 2073-4441

Volltext

Open Access
Volltext Link zum Volltext (externe URL):
https://doi.org/10.3390/w12092503

Kurzfassung/Abstract

The response of very small glaciers to climate changes is highly scattered and little known in comparison with larger ice bodies. In particular, small avalanche-fed and debris-covered glaciers lack mass balance series of sufficient length. In this paper we present 13 years of high-resolution observations over the Occidentale del Montasio Glacier, collected using Airborne Laser Scanning, Terrestrial Laser Scanning, and Structure from Motion Multi-View Stereo techniques for monitoring its geodetic mass balance and surface dynamics. The results have been analyzed jointly with meteorological variables, and compared to a sample of “reference” glaciers for the European Alps. From 2006 to 2019 the mass balance showed high interannual variability and an average rate much closer to zero than the average of the Alpine reference glaciers (−0.09 vs. −1.42 m water equivalent per year, respectively). This behavior can be explained by the high correlation between annual balance and solid precipitation, which displayed recent peaks. The air temperature is not significantly correlated with the mass balance, which is main controlled by avalanche activity, shadowing and debris cover. However, its rapid increase is progressively reducing the fraction of solid precipitation, and increasing the length of the ablation season.

Weitere Angaben

Publikationsform:Artikel
Schlagwörter:glacier mass balance; glacier dynamics; very small glaciers; debris-covered glaciers; climate change; geodetic method; Structure from Motion (SfM); Terrestrial Laser Scanning (TLS)
Sprache des Eintrags:Englisch
Institutionen der Universität:Mathematisch-Geographische Fakultät > Geographie > Lehrstuhl für Physische Geographie
DOI / URN / ID:10.3390/w12092503
Open Access: Freie Zugänglichkeit des Volltexts?:Ja
Peer-Review-Journal:Ja
Verlag:MDPI
Die Zeitschrift ist nachgewiesen in:
Titel an der KU entstanden:Ja
KU.edoc-ID:30248
Eingestellt am: 10. Jun 2022 08:19
Letzte Änderung: 14. Jun 2022 17:32
URL zu dieser Anzeige: https://edoc.ku.de/id/eprint/30248/
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