Ranking water resource projects and evaluating criteria by Multicriterion Q-Analysis: An Austrian case study

Ranking water resource projects and evaluating criteria by Multicriterion Q-Analysis: An Austrian case study

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Article ID: iaor1999802
Country: United Kingdom
Volume: 6
Issue: 5
Start Page Number: 259
End Page Number: 271
Publication Date: Sep 1997
Journal: Journal of Multi-Criteria Decision Analysis
Authors: , ,
Keywords: decision theory: multiple criteria
Abstract:

A multicriterion decision-making (MCDM) concept is applied not only to provide possible solutions for a hydroecological problem but also to shed light on the discriminating capabilities of criteria. The aim is to identify a subset of a given set of criteria used to seek a satisfactory solution among several possible water resource projects being designed for the Austrian part of the Danube between Vienna and the Slovakian border. In this section the Danube is still a free-flowing river and possesses a high ecological value. There are three conflicting interests relative to this particular area, namely economic, ecological and sociological interests. The so-called multicriterion Q-analysis (MCQA) technique is applied to generate more effective discussions between conflicting groups than there have been in the past. The most preferred alternatives from among 12 possible projects, including several different hydroelectric power stations and National Park plans, are to be identified. The MCQA procedure is implemented to analyse the water resource projects with emphasis on criterion evaluation. In order to facilitate ranking alternatives, criteria with discriminating power have to be defined. For this purpose a new concept, MCQA-III, is developed and shown to be a useful tool to distinguish between important and less important criteria. MCQA techniques are based on Q-analysis, which describes the geometrical structure of the relationship between two finite sets, here the set of projects and the set of criteria. By using MCQA-I, MCQA-II and MCQA-III, a ranking of both alternatives and criteria is obtained. The MCQA-III procedure is applied to find an order among criteria which should give us more information on their importance for ranking alternatives, leading to a possible reduction of the number of criteria. This aspect plays a central role for an institution which must base its decision on a small but highly informative set of criteria.

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