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Analyser la disponibilité de l'Information géographique numérique dans les enjeux de suivi et de gestion du trait de côte : application aux cas breton (France) et québécois (Canada)

Abstract : In the context of monitoring and coastline management issues, the need for information and knowledge accessible on the web is described as a major issue by the French and Quebec public authorities. Nevertheless, on this subject, the strategy of the developers of Spatial Data Infrastuctures (SDI) and open data platforms as well as the mechanisms of access to the contents of these devices are still relatively unknown to managers and citizens. We question the characteristics of the informational regime by the systematic analysis of its organizational, thematic, temporal characteristics of data and entering the context of the instrumentation of public action. To do this, the extraction of a geoinformational patrimony (metadata) was carried out using lexical terms characteristic of the discourse on coastline monitoring and management issues in France and Quebec. The goal of this thesis work is to propose a methodology approach questioning the issues of avaibility of digital geographic information in two stages and tested in territorial and coastal contexts with differentiated socio-political characteristics.On the one hand, the thesis explores the structural aspects of access to digital geographic information by questioning the structure of such devices on the web.On the other hand, it examines the availability of content on devices endowed with a cataloguing service. Statistical and graphical analysis of hypertextual components and web services as well as the analysis of geographic data reveal asymmetry effects in the availability of geographic information as well as data standardization phenomena on the coastal environment. However, we observe a heterogeneous range of geographic data services.
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https://tel.archives-ouvertes.fr/tel-03669066
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Submitted on : Monday, May 16, 2022 - 12:20:08 PM
Last modification on : Wednesday, June 8, 2022 - 2:36:01 PM

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  • HAL Id : tel-03669066, version 1

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Johan Desbonnet. Analyser la disponibilité de l'Information géographique numérique dans les enjeux de suivi et de gestion du trait de côte : application aux cas breton (France) et québécois (Canada). Géographie. Université de Bretagne occidentale - Brest, 2021. Français. ⟨NNT : 2021BRES0012⟩. ⟨tel-03669066⟩

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