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Little Ice Age glacial systems and related natural instability processes in the Orco Valley (North-Western Italy)

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  • Stefania Lucchesi
  • Stefania Bertotto
  • Marta Chiarle
  • Gianfranco Fioraso
  • Marco Giardino
  • Guido Nigrelli

Abstract

Glaciated and recently (post-Little Ice Age) deglaciated areas are very dynamic environments, undergoing continuous changes, in particular as a consequence of climatic fluctuations and cryosphere changes. The intense geomorphic activity that takes place here conditions natural hazard, sediment transport and tourist fruition. A geo-morphological mapping with applicative purposes has to take into account the peculiarities and the dynamism of these specific areas. We here propose a methodological approach based on the interpretation of a multitemporal set of aerial photos (from 1983 to 2012), in a GIS environment, with application to the sectors modeled by Little Ice Age glaciers in the upper Orco Valley (NW Italy). The result is a geo-morphological map focused on the elements that are most relevant for application purposes, complemented by a map of the spatio-temporal distribution of the natural instability processes identified in the study area for the reference period, aimed to highlight the recent dynamism of the geomorphological elements in the map.

Suggested Citation

  • Stefania Lucchesi & Stefania Bertotto & Marta Chiarle & Gianfranco Fioraso & Marco Giardino & Guido Nigrelli, 2019. "Little Ice Age glacial systems and related natural instability processes in the Orco Valley (North-Western Italy)," Journal of Maps, Taylor & Francis Journals, vol. 15(2), pages 142-152, July.
    • Handle: RePEc:taf:tjomxx:v:15:y:2019:i:2:p:142-152
    DOI: 10.1080/17445647.2018.1564382
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    Cited by:

    1. Paola Coratza & Irene Maria Bollati & Valeria Panizza & Pierluigi Brandolini & Doriano Castaldini & Franco Cucchi & Giacomo Deiana & Maurizio Del Monte & Francesco Faccini & Furio Finocchiaro & Dario , 2021. "Advances in Geoheritage Mapping: Application to Iconic Geomorphological Examples from the Italian Landscape," Sustainability, MDPI, vol. 13(20), pages 1-37, October.

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