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

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 e...

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Bibliographic Details
Published in:RAUSP management journal 2018-04, Vol.53 (2), p.214-224
Main Authors: Verga Matos, Pedro, Cardadeiro, Eduardo, Amado da Silva, Jose, Muylder, Cristiana Fernandes De
Format: Article
Language:eng ; por
Subjects:
Abandoned mines
Analytic hierarchy process (AHP)
Analytical Hierarchy Process (AHP)
Análise multicritério
Brownfields
BUSINESS
Capital rationing decision
Decision making
Decisões com restrição orçamentária
Hierarchies
Industrial archaeology
Intervention
Methods
Minas abandonadas (brownfields)
Multi-criteria analysis
Multiple criteria decision making
Rationing
Studies
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Summary: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. Tendo em consideração a existência de uma limitação orçamentária que inviabilizava a recuperação de todas as áreas mineiras abandonadas, foi necessário desenvolver um modelo que permitisse escolher quais as minas que seriam objeto de intervenção, tendo em consideração os diferentes fatores de avaliação de seus efeitos externos (no ambiente, na saúde pública, na paisagem e no seu aproveitamento para a arqueologia industrial). A partir de uma análise multicritério (utilizando o Analytical Hierarchy Process - AHP), onde cada fator preponderante, resultado e mina foram comparados, gerou-se um modelo inovador de avaliação onde se garantiu a maximização do valor global da intervenção, em comparação a outros dois métodos (intervenção ordenada pela maior gravidade global e pela relação custo-benefício). Os resultados apontam para uma escolha econômica e socialmente viável e eficiente, permitindo instigar novos estudos análogos.
ISSN:2531-0488
2531-0488
DOI:10.1016/j.rauspm.2017.06.005