مکان یابى محل دفن زباله‏ هاى جامد شهرى به روش تحلیل فضایى معیارهاى چندمتغیره

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشیار دانشکده جغرافیا دانشگاه تهران

2 دانشجوى دکتراى جغرافیا و برنامه ‏ریزى روستایى دانشگاه تهران

چکیده

تحقیق حاضر روش فضایى با ترکیب روش ‏هاى گوناگونى از علوم در زمینه ‏هاى متفاوت مانند تحلیل معیارهاى چندگانه سیستم اطلاعات جغرافیایى، تحلیل فضایى و آمار فضایى را توصیف و با هم مقایسه مى ‏کند. هدف نهایى این روش ارزیابى تناسب منطقه مورد مطالعه به منظور تعیین مکان بهینه جهت دفن زباله مى‏ باشد. در این زمینه اولین مرحله تشکیل ساختار سلسله مراتبى معیارهاى چندگانه است. سپس استفاده از فرایند تحلیل فضایى براى ایجاد معیارهاى ارزیابى است که این معیارها براساس قوانین یونان و اتحادیه اروپا بوده و همچنین براساس رهنمون‏ هاى کاربردى و عملى  بین المللی مى‏ باشد. اهمیت نسبى وزن معیارهاى ارزیابى براساس ساختار سلسله مراتبى تعیین مى‏ گردد و با استفاده از مدل وز ن‏دهى ساده، مکان‏هاى مناسب براى دفن زباله در منطقه مورد مطالعه تعیین مى‏ گردند. در نتیجه مکان‏هاى مناسب براساس رتبه 0 تا 10 اولویت‏ بندى مى‏گردد که به ترتیب از کمترین تا بهترین ناحیه مى ‏باشد. آخرین مرحله فرایند خوشه ‏هاى فضایى است که به منظور نشان دادن مناسب‏ترین ناحیه شکل مى‏ گیرد. رتبه ‏بندى اولیه اجازه انتخاب مکان‏هاى مناسب را براى دفن، از بین مکان‏ها مى‏ دهد. کاربرد و اجراى روش مورد نظر در جزیره لمنوس(1) واقع در شمال دریاى اژه یونان نشان داد که 3/9 درصد منطقه مورد مطالعه براى دفن با رتبه بالاتر از 9 مناسب هستند.

کلیدواژه‌ها


عنوان مقاله [English]

Location of Landfill of Solid Urban Waste by Spatial Analysis of Multi-Variable Criteria

نویسندگان [English]

  • Mojtaba Ghadiri Ma'sum 1
  • Hassan Karimzadeh 2
  • Bahman Sahneh 2
1 Associate Professor, Faculty of Geography, University of Tehran
2 Ph.D. Student of Geography and Rural Planning, University of Tehran
چکیده [English]

The present study describes and compares the spatial method and spatial statistics by a combination of different methods of science in different fields such as multiple criteria analysis of GIS. The ultimate goal of this method is to assess the appropriateness of the area in question in order to determine the optimal location for landfill. In this context, the first step is the formation of a hierarchical structure of multiple criteria. Next, it is using the spatial analysis process to establish evaluation criteria, these based on the laws of Greece and the European Union, and also on the basis of practical and feasible international guidelines. The relative importance of the assessment criteria is determined based on the hierarchical structure and, using simple weighing model, suitable sites for landfill in the study area are determined. as a result, suitable locations are ranked from 0 to 10, which is from the lowest to the best, respectively. The last stage is the process of spatial clusters, which are designed to represent the most appropriate area. The initial ranking permits the selection of suitable places for burial from among existing places. The application and implementation of the proposed method on the Lemnos island in the north of the Aegean Sea ​​showed that 9.3% of the studied area was suitable for burials above the 9th level.

کلیدواژه‌ها [English]

  • Location
  • Landfill
  • Spatial analysis
  • multi-variable criteria
  • Lemnos island
  • hierarchical structure
 
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