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Donner à voir la géodiversité de la région grenobloise et dépasser le clivage ville / montagne à travers le prisme du paysage et de ses représentations

Abstract : It is customary to consider that geodiversity and landscape are less attractive in cities than in mountains. In the so-called alpine cities, myths are crystallized around these two figures, which are thought to be antagonistic, while they bear witness to a common geohistory. These cities were built in spite of the mountainous massifs and thanks to their resources. Grenoble, a self-proclaimed alpine city, has exploited the hydraulic power of streams and rivers, and rocks and alluvium as building materials. It built its image on the myths surrounding the mountains, particularly in promotional photographs for the 1968 Olympic Winter Games. In order to better understand geodiversity, its perceptions and representations in the territories of the Grenoble region, we differentiate here "effective geodiversity", understood by mapping the different constitutive elements (geological, geomorphological, hydrological, pedological), and “perceived geodiversity” in the corpus of these photographs. Following the survey of geodiversity elements on the corpus of images and the comparison with “geodiversity effective data”, the results of our study show that (i) effective geodiversity is of great richness while perceived geodiversity is limited to its geomorphological components of alluvial plain and mountain slopes; (ii) geodiversity is hardly represented in the city; (iii) the spaces between the city and the mountains are almost absent from the representations. Indeed, the images show the urban character of the central city in the foreground and the mountainous slopes in the background by erasing the territories of the “in-between”. To enhance the geodiversity of the Grenoble area as a whole, by overcoming these divisions between “city” and “mountain” and developing an identity of the “in-between”, we propose an imaging protocol of the elements that constitute it using transect.
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Submitted on : Wednesday, January 8, 2020 - 12:05:06 PM
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Inès Hubert, Emmanuel Reynard, Nathalie Carcaud. Donner à voir la géodiversité de la région grenobloise et dépasser le clivage ville / montagne à travers le prisme du paysage et de ses représentations. Géomorphologie : relief, processus, environnement, Groupe français de géomorphologie (GFG), 2019, 25 (4 | 2019,), pp.233-252. ⟨10.4000/geomorphologie.13701⟩. ⟨hal-02432186⟩



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