Deriving preference order of post-mining land-uses through MLSA framework: application of an outranking technique |
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| Authors: | Hossein Soltanmohammadi Morteza Osanloo Abbas Aghajani Bazzazi |
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| Institution: | (1) Department of Mining Engineering, Amirkabir University of Technology, Tehran, Iran;(2) Faculty of Mining Engineering, Islamic Azad University, Savadkooh, Iran |
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| Abstract: | This study intends to take advantage of a previously developed framework for mined land suitability analysis (MLSA) consisted
of economical, social, technical and mine site factors to achieve a partial and also a complete pre-order of feasible post-mining
land-uses. Analysis by an outranking multi-attribute decision-making (MADM) technique, called PROMETHEE (preference ranking
organization method for enrichment evaluation), was taken into consideration because of its clear advantages on the field
of MLSA as compared with MADM ranking techniques. Application of the proposed approach on a mined land can be completed through
some successive steps. First, performance of the MLSA attributes is scored locally by each individual decision maker (DM).
Then the assigned performance scores are normalized and the deviation amplitudes of non-dominated alternatives are calculated.
Weights of the attributes are calculated by another MADM technique namely, analytical hierarchy process (AHP) in a separate
procedure. Using the Gaussian preference function beside the weights, the preference indexes of the land-use alternatives
are obtained. Calculation of the outgoing and entering flows of the alternatives and one by one comparison of these values
will lead to partial pre-order of them and calculation of the net flows, will lead to a ranked preference for each land-use.
At the final step, utilizing the PROMETHEE group decision support system which incorporates judgments of all the DMs, a consensual
ranking can be derived. In this paper, preference order of post-mining land-uses for a hypothetical mined land has been derived
according to judgments of one DM to reveal applicability of the proposed approach. |
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| Keywords: | Mined land suitability analysis (MLSA) Multi-attribute decision-making (MADM) Post-mining land-use Evaluation attributes PROMETHEE AHP |
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