تحلیل روش‌های فازی در مکان‌یابی توسعه بهینه شهرها (مطالعه موردی: شهر دورود)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استاد جغرافیا و برنامه‌ریزی روستایی، دانشگاه فردوسی مشهد، مشهد، ایران

2 دانشجوی دکترای جغرافیا و برنامه‌ریزی شهری، دانشگاه تبریز، تبریز، ایران

3 دانشجوی دکترای جغرافیا و برنامه‌ریزی روستایی، دانشگاه فردوسی مشهد، ایران

چکیده

پیدایش یک شهر، بیش از هر چیز تابع شرایط و موقعیت جغرافیایی آن است به طوری­که هر اندازه شهرها توسعه یابند، برخورد آنها با واحد­های گوناگون توپوگرافی و ژئومورفولوژی و موضوعات مربوط به آنها زیادتر می­شود و اثرات این دگرگونی­ها که به صورت تغییر شکل کالبدی و توسعه فضایی شهرها نمود پیدا می­کند. پژوهش حاضر با هدف­گذاری کاربردی و به شیوه توصیفی- تحلیلی و با نظر 10 کارشناس صاحب نظر به انجام رسیده است که برای رسیدن این مهم از مقایسه دو روش منطق فازی و سلسله مراتب فازی در محیط نرم­افزارArcGIS  و از نقشه پایه به مقیاس 250000:­1 استان لرستان استفاده شده است. در این پژوهش بدنبال مقایسه روش­های کمی ریاضی و بررسی نحوه عملکرد آنها در فرایند مکانی­یابی توسعه بهینه شهر دورود می­باشد. برای این منظور، روش­های منطق فازی و فرایند تحلیلی سلسله مراتب فازی مورد بررسی و مقایسه قرا گرفتند. با توجه به منابع و داده های در دسترس از 10 شاخص کاربری زمین، شکل زمین، بزرگراه ها، راه آهن، گسل فرعی و اصلی، رودخانه­های دائمی، نقشه خاک، نقشه معادن فعال، نقشه خطوط نفت و گاز، و همچنین نقشه روستاهای اطراف شهر و در قالب محیط نرم­افزاری ArcGIS بهره برده شده است. نتایج نشان داد، که با توجه به بررسی­های میدانی صورت گرفته مدل مبتنی بر روش سلسله مراتب فازی، بهترین مسیر توسعه را جنوب شرقی نشان می­دهد که زمین­های این مسیر برای توسعه تقریبا مناسب جهت کشاورزی می­باشند. این مسیر به تپه جنوب شهر و زمین های مرغوب از سمت دیگر محدود می­شود. مدل گاما بهترین مسیر توسعه را به شکل خطی و در امتداد خطوط حمل و نقل (جاده متصل به شهر از سمت شمال غرب) نشان می­دهد و در این بین نتایج حاصل از عملگر گامای فازی بسیار دقیق و با جزییات بیشتری با توجه به وضعیت متغیرهای منتخب در محدوده مورد مطالعه، این مسئله را نشان داده است.

کلیدواژه‌ها

عنوان مقاله [English]

Th Analysis of Fuzzy Methods in Locate the Optimal Development of Cities (Case Study: Doroud City)

نویسندگان [English]

  • A.A Anabestani 1
  • E Soleymanirad 2
  • R Hosseini Kahnooj 3
چکیده [English]

The emergence of a city, more than anything else geographical conditions function is so that every size city developed, they deal with various unit’s topography and geomorphology and matters related to them is more. The impact of the changes that anatomical deformation and developing its shows space cities. Objective of the study comparing quantitative methods, math and examine how their performance in the process of finding the optimal development of a place in the Doroud city. For this purpose, methods of fuzzy logic and analytic hierarchy process fuzzy examined and compared to their according to the sources and available data from 10 indicators of land, the shape of the earth, highways, railways, the main and sub - rift, permanent rivers, mines, land, oil and gas lines, as well as the map of the city and surrounding villages in the form of software GIS arc environment has benefited. The results showed that with regard to field surveys taken model is based on fuzzy approach, the best path of development in the southeast and shows the land route to the development of appropriate almost to agriculture. End route to the south of the city and the quality of the other side is limited. gamma model is the best way to linear shape and development along the lines of transportation, shows (road connected to the city north west), and the results this issue is shown of the fuzzy gamma operator very accurate and in greater detail with regard to a situation selected variables in the areas of study.

کلیدواژه‌ها [English]

  • Positioning
  • Development of optimal physical
  • FAHP
  • FUZZY GAMMA

مراجع

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سابقه مقاله

  • تاریخ دریافت: 08 دی 1395
  • تاریخ بازنگری: 10 مرداد 1396
  • تاریخ پذیرش: 03 دی 1396

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