The use of multi-criteria analysis in the recovery of abandoned mines: a study of intervention in Portugal


  • Pedro Verga Matos Universidade de Lisboa; Instituto Superior de Economia e Gestão
  • Eduardo Cardadeiro Universidade Autónoma de Lisboa
  • Jose Amado da Silva Universidade Autónoma de Lisboa
  • Cristiana Fernandes De Muylder Universidade FUMEC



Brownfields, Multi-criteria analysis, Analytic hierarchy process (AHP), Capital rationing decision


Considering that the budget for the recovery of abandoned mining zones is limited, it was necessary to develop a model that would make it possible to choose which mines should be targeted for intervention, taking into account the various factors by which their external effects may be assessed (the environment, public health, the landscape and their usefulness to industrial archaeology). A multi-criteria analysis using the analytic hierarchy process, in which each major factor, result, and mine are compared, was employed to generate an innovative assessment model that guaranteed that the overall value of the intervention was maximised, compared to two other methods (intervention ranked by the greatest overall severity and ranked by the cost-benefit ratio). The results indicate an economically and socially viable and efficient choice, making it possible to undertake new similar studies.


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