بررسی نقش ژئومورفولوژی در توسعه فیزیکی شهرستان بندر لنگه با استفاده از مدل AHP

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استادیار گروه جغرافیا (ژئومورفولوژی)، واحد لارستان، دانشگاه آزاد اسلامی، لارستان، ایران

2 کارشناس ارشد سنجش از دور و GIS، دانشگاه تهران، تهران، ایران

3 دانشجوی دکتری ژئومورفولوژی، دانشگاه رازی، کرمانشاه، ایران

چکیده

توسعه فیزیکی در شهرهای ایران به دلیل ویژگی­های جغرافیایی و تراکم انسانی و نیز رشد جمعیت و مهاجرت های روستایی همواره با دگرگونی در ساختار شهر همراه بوده و در شکل گیری توسعه نامتوازن شهری اثر فراوان داشته است. بنابراین بـا توجـه بـه وضـعیت منـابع زیستی کشور، لازم است هرگونه برنامه ریزی درخصوص توسـعه و عمـران ملّـی و منطقـه ای بـا نگـرش بـه اسـتعداد و قابلیت­های سرزمین  صورت گیرد. پژوهش حاضر به عنوان یک مطالعه کاربردی با شیوه توصیفی – تحلیلی انجام گرفته است. جهت دستیابی به هدف از اسنادو مدارک مختلف مانند نقشه­های زمین شناسی 1:100000 موجود منطقه همچنین از لایه های خاک شناسی و کاربری اراضی و از آمارهای موجود در سازمان­های مربوط، مانند آمار جمعیتی و از نظرات 10 نفر از کارشناسان و اساتید دانشگاه­ها در رشته­های ژئومورفولوژی و سنجش از دور و نرم­افزارهای GIS و  Expert choice و مدل تحلیل سلسله مراتبی(AHP) استفاده شد، جهت تعیین اراضی مناسب برای توسعه آتی شهرستان بندرلنگه 9 معیار شیب، جهت شیب، ارتفاع، فرسایش خاک، لیتولوژی و زمین شناسی، کاربری اراضی، فاصله از گسل، فاصله از دریا و فاصله از رودخانه در نظر گرفته شد که بیشترین وزن در بین معیارها با 305/0متعلق به کاربری اراضی می­باشد. اراضی شهرستان بندرلنگه برای توسعه آتی شهرستان در 5 طبقه دسته بندی شد، بر اساس نقشه نهایی می­توان گفت اراضی مناسب جهت توسعه شهرستان عمدتاً بطور پراکنده در مرکز و شمال شهرستان قرار گرفته­اند و قسمت­های جنوبی و غربی شهرستان به دلیل وجود گنبدهای نمکی و بدلندها و قرار گیری آبراهه های فصلی برای توسعه مناسب نمی­باشند.

کلیدواژه‌ها


عنوان مقاله [English]

The Role of Geomorphology in Physical Development ofBandar Lengeh (Hormozgan Province) Using AHP Model

نویسندگان [English]

  • A Ansari Lari 1
  • H Teimouri 2
  • M Ansari 3
1 Larestan azad university
2 Tehran university
چکیده [English]

       Physical development in Iranian cities has been accompanied with changes in the structure of city, due to the geographical characteristics, human density, population growth and rural migrations. It has been affected in the formation of the unbalanced development of urban. So according to the biological resources situation of the country, it is necessary to be done any planning about development of national and regional with regard to the susceptibilities of the land. This study has been done as an applied research with descriptive - analytic manner. To achieve the goal various documents were used such as geological maps available from region with a scale of 1:100,000, soil map, land use/land cover map, available statistics in related organizations, such as demographic statistics, the opinions of 10 experts and professors in the field of geomorphology, remote sensing, GIS, Expert choice and AHP model. To identify suitable land for future development of Bandar Lengeh 9 criterions were considered that include slope, aspect, elevation, soil erosion, geological, land use, distance to fault, distance from the sea and from the river.  The maximum weight among the criterions is owned land use with 0.305. Lands of Bandar Lengeh were classified for future development in fifth classes. Based on the final map can be said that suitable lands for development of the city were mainly in the center and north. The southern and western parts of the city due to the presence of salt domes and badlands and seasonal streams are not suitable for development.

کلیدواژه‌ها [English]

  • physical development
  • Geomorphology
  • AHP model
  • Bandar Lengeh
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