جستجوی مقالات مرتبط با کلیدواژه « سوپر ماتریس » در نشریات گروه « مهندسی آب »

Selecting the suitable landfill site can prevent inappropriate ecological and socio economical effects. Industrial and economical development of the Esfahan metropolitan area and the fast increase in population and life standards has changed the amount and the components of the generated waste load. The present landfill has already reached its capacity and also the city is expanding toward this center. The fundamental studies for selecting suitable landfill sites should therefore be considered. Landfill site selection requires the analysis of spatial data, regulations and accepted criteria. In this research the multi criteria evaluation method by emphasis on GIS techniques was used for identifying suitable landfill sites for Esfahan city. Then the Analytic Network Process (ANP) was applied for prioritizing the suggested landfill sites. ANP is the modified version of AHP method which is based on the super matrix approach. This method is capable of applying for complex problems with non hierarchical structure and also give the possibility of considering interdependence relationships of decision criteria within and between levels. In this paper, in addition to evaluating the effective criteria in site selection and allocating the proposed landfill sites, the variation and relative importance of elements of these sites that cannot be considered in other decision making methods like AHP have been considered within the context of ANP method. The results indicated the significant importance of water resources protection in landfill site selection.

The aim of this paper is to present an evolution method to prioritize and select appropriate shrimp culture sites in south coasts of Iran based on their vulnerability to flood damage. The Analytic Network Process (ANP) was applied to this problem. Analytic Network Process (ANP), is a mathematical extension of the AHP theory based on the super matrix approach. This method is a flexible analytical approach thatenables decision makers to find the best possible solutions to complex problems by breaking down a problem into a systematic network of the various levels and attributes. One of the major advantages of this method is that it considers the interrelations between different levels of decision as well as the interconnection of the decisions in one level. Accordingly in this study the vulnerability of the sites to flood damage is analyzed based on the different flood attributes along with the relative significance of those factors. This is being override in conventional decision making methods such as AHP. In this study the alternatives are prioritized based on a feed-back interrelated decision structure.