In the framework of the CNR-NextData project, the DataGRALP working groups aim to improve the knowledge on Italian glacial resources, by developing an adequate system for the management of numerical, textual, iconographic and spatial glaciological data. The Western Alps team focuses on the collection, validation, storage and analysis of glaciological data from the Piemonte and Valle d’Aosta regions. Glaciers of the Western Alps contribute significantly to the Italian glacial resource by means of a diversity of glacier types: valley glaciers and debris-covered glaciers (Miage, Belvedere), large (e.g. Lys, Verra) and small (e.g. Ciardoney, Breuil) mountain glaciers, hanging glaciers (Grandes Jorasses, Signal). They spread over a large area, but major glaciers concentrate in the most relevant massifs (Monte Bianco, Monte Rosa and Gran Paradiso) or elevated mountains (e.g. Monviso, Ciamarella and Punta del Sabbione). A dedicated information system has been used to store basic glaciological parameters extracted by the CGI inventory (1959-62), such as: extension, length, width, slope, orientation, elevation, coordinates, but also information about glacier type and form, source nourishment. An updated picture (2006) of the glaciers of the Western Alps has been drawn from most recent available ortophotos: glacier outlines have been associated to attribute tables for glacier parameters (area, length, width, slope, max and min elevation, exposure, latitude and longitude of the glacier centroid). As a result, preliminary comparison data and statistics are outlined here for the glacial resource of the Western Alps: about the 34% of the glaciers existing in the inventory of CGI (1959-1962) are extinguished in 2006. Almost 1/4 glaciers were dismembered in more little glacial bodies and the present day total glaciated area is about 67% of the previous inventory. Research by the team is in progress for more detailed quantification of glacial parameters in order to feed numerical models targeted to the simulation of the response of glaciers to climate change scenarios.
DATAGRALP – A new database for reconstructing the spatial-temporal evolution of the glacial resource in the Italian Alps over the last 100 years in the framework of the NextData Project - The Western Italian Alps
GIARDINO, Marco;PEROTTI, Luigi;VIANI, CRISTINA
2014-01-01
Abstract
In the framework of the CNR-NextData project, the DataGRALP working groups aim to improve the knowledge on Italian glacial resources, by developing an adequate system for the management of numerical, textual, iconographic and spatial glaciological data. The Western Alps team focuses on the collection, validation, storage and analysis of glaciological data from the Piemonte and Valle d’Aosta regions. Glaciers of the Western Alps contribute significantly to the Italian glacial resource by means of a diversity of glacier types: valley glaciers and debris-covered glaciers (Miage, Belvedere), large (e.g. Lys, Verra) and small (e.g. Ciardoney, Breuil) mountain glaciers, hanging glaciers (Grandes Jorasses, Signal). They spread over a large area, but major glaciers concentrate in the most relevant massifs (Monte Bianco, Monte Rosa and Gran Paradiso) or elevated mountains (e.g. Monviso, Ciamarella and Punta del Sabbione). A dedicated information system has been used to store basic glaciological parameters extracted by the CGI inventory (1959-62), such as: extension, length, width, slope, orientation, elevation, coordinates, but also information about glacier type and form, source nourishment. An updated picture (2006) of the glaciers of the Western Alps has been drawn from most recent available ortophotos: glacier outlines have been associated to attribute tables for glacier parameters (area, length, width, slope, max and min elevation, exposure, latitude and longitude of the glacier centroid). As a result, preliminary comparison data and statistics are outlined here for the glacial resource of the Western Alps: about the 34% of the glaciers existing in the inventory of CGI (1959-1962) are extinguished in 2006. Almost 1/4 glaciers were dismembered in more little glacial bodies and the present day total glaciated area is about 67% of the previous inventory. Research by the team is in progress for more detailed quantification of glacial parameters in order to feed numerical models targeted to the simulation of the response of glaciers to climate change scenarios.
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