Evaluation of Karaj Solid Waste Landfill with Regional and Local Screening Method

Subject Areas : environmental management

ُSeyed Masoud monavari ¹ ( Assistant Professor, Faculty of Environment and Energy, Tehran Islamic Azad University, Sciences and Researches Dept )
Ghasemali Omrani ² ( Assistant Professor , Faculty of Health, Tehran University )
Fatemeh Aliowsati ³ ( M.Sc. Environmental Pollution, Faculty of Environment and Energy, Tehran Islamic Azad University, Sciences and Researches Dept. )

Received: 2008-10-21 Accepted : 2009-03-08 Published : 2014-02-20

Keywords: solid waste landfill, evaluation of solid waste land, regional and local screening&#x0D, &#x0D, , Geographical information syste,

Abstract :

In regarding to the adverse impacts of solid waste landfilling in improper places, selection of propersites according to the criteria and rules has great importance.In this study Karaj solid waste landfill is evaluated with regional and local screening method. Forevaluating this site in regional scale 22 km radius from the center of Karaj city was selected. Thenregional criteria including distance from surface water, distance from residential centers, water grounddepth, geology, etc were studied with producing different layers in geographical information system.In order to inspect these criteria in regional studies; maps were produced from related organizationsand centers. After production of basic maps in order to product the final suitability map in regionalscale according to the pattern, layers were reclassified with three proper, average and improper class.In the end, final reclassified map was produced. According to this map the mensuration of impropersites is 142915/8 hectare, the mensuration of average sites is 5089/3 hectare and the mensuration ofimproper sites is 4046/9 hectare and also the landfill suitability is evaluated as improper.For evaluating needed land for studied solid waste landfill, factors like population growth rate, theamount of yearly solid waste, shape and height of the landfill were studied and the mensuration of thesite was evaluated as improper.Then the landfill was studied in local scale and the criteria like soil depth, natural land cover of thesite and landscape of the site, etc were studied with weight and point method and its suitability wasevaluated as average

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