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GIS-based multicriteria evaluation approach for corridor siting

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  • Hass�ne Aissi
  • Salem Chakhar
  • Vincent Mousseau
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    Abstract

    Siting a linear facility such as a highway or a pipeline often requires a preliminary study in which one or several corridors are identified. Here we construct corridors as a collection of adjacent polygons specifying a ‘path’ from origin s to destination t . Formally, we make use of a graph, called the connectivity graph, in which vertices correspond to polygons and edges to adjacent polygons. Within this formal representation, a corridor corresponds to an s to t path in the connectivity graph. The corridors are evaluated on two criteria: (1) a quantitative criterion measuring the length of the corridor, and (2) a qualitative criterion measuring the quality of the corridor with respect to the suitability of crossing its component polygons. We first introduce a three-phase approach based on a coupling between a geographical information system (GIS) and multicriteria evaluation and devoted to handling biobjective corridor siting problems. Then, the proposed approach is validated through an example of a real-world application. Keywords: GIS, corridor siting, multicriteria evaluation, spatial analysis, multiobjective shortest path

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    Bibliographic Info

    Article provided by Pion Ltd, London in its journal Environment and Planning B: Planning and Design.

    Volume (Year): 39 (2012)
    Issue (Month): 2 (March)
    Pages: 287-307

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    Handle: RePEc:pio:envirb:v:39:y:2012:i:2:p:287-307

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    Web page: http://www.pion.co.uk

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