تحقیقات کاربردی علوم جغرافیایی

تحقیقات کاربردی علوم جغرافیایی

بررسی رابطه الگوهای فضایی کاربری زمین شهری بر رشد و گسترش شاخک های خزنده شهری (مطالعه موردی شهر رشت)

نویسندگان
رسول حیدری سورشجانی
احمد علی بیگی
دانشگاه کاشان
10.29252/jgs.18.51.65
چکیده
یکی از مسائل مهم شهرها، رشد افقی شهرها و به تبع آن گسترش شاخک­های خزنده شهری بر اراضی پیراشهری می­باشد، که پیامدهای مختلف زیست محیطی، کالبدی، اجتماعی و اقتصادی را در پی داشته است. در سالهای اخیر شهر رشت نیز مانند سایر شهرها با افزایش جمعیت و رشد شاخک های خزنده شهری مواجه بوده، تغییر و تحولات قابل توجهی در کاربری اراضی شهری این شهر رونما گردیده است. در وضعیت موجود، علت اصلی گسترش شاخک های خزنده شهری، گسترش شهرنشینی و اراضی مسکونی است لکن فضای وسیعی از این شاخک ها را کاربری های غیر مسکونی تصاحب کرده و می توان از وجود رابطه بین کاربری های غیر مسکونی و گسترش شاخک های شهری بحث کرد. تحقیق حاضر در پی ارزیابی و شناسایی رشد شاخک های خزنده شهر رشت در طی سالهای 1998-2016 میلادی در رابطه با الگو های فضایی کاربری زمین شهری است. روش تحقیق این پژوهش، تحلیلی و توصیفی و استفاده از داده های زمین مرجع از جمله تصاویر ماهواره ای است که با استخراج تصاویر تصاویر زمانی ماهواره لندست TM در نرم افزار ادریسی جهت های رشد شاخک های خزنده شهری مشخص گردید و سپس با استفاده از الگوی نقشه فضایی Hot spot کاربری ها، رابطه بین این شاخک های خزنده و توزیع فضایی کاربری های شهری پرداخته بررسی شد. نتایج پژوهش نشان می دهد که طی مدت 18 سال، مساحت شهر از 4941.76 هکتار به 6202 هکتار رسیده و شهر رشت با رشدی معادل 1260 هکتار مواجه شده است. رشد شاخک های خزنده در سمت غرب شهر، تحت تأثیر کاربری های تجاری، جهانگردی، آموزشی و معابربین شهری بیشتر از سایر جهت ها بوده است.
کلیدواژه‌ها
سمت
گسترش افقی
مجاورت
مساحت
نقطه داغ

عنوان مقاله English

Survey the Relationship between Urban Use land Spatial Patterns in the Growth of Urban Growth directions (Case Study: Rasht City)

نویسندگان English

Rasoul Heidari Sourehjani
Ahmad Ali Beigi
Assistant Professor of Geography Department of Kashan University, Kashan, Iran .
چکیده English

At present, one of the issues of all cities is the urbanization and, consequently, the development of urban reptile tentacles on parakeet lands, the consequences of which are: Marginalization, destruction of agricultural lands, population growth of cities, failure to respond to certain services and utilities in the city, physical tissue fractures, environmental problems, especially pollution and urban disruption. In recent years, urban sprawl in many cities of Iran particularly, the boundaries of cities are affected by the urbanization process and the need of citizens. New housing has been transformed into user data and land. Considering that the city of Rasht is similar to other cities in recent years, there has been an increase in population, and has made significant changes in the use of urban land in this city. The present study seeks to evaluate the landslide changes in Rasht city during the years 1998-2016, using different patterns. Hence, to find out the type and extent of changes in the data and the factors influencing urban growth in the above area from the available AutoCAD files, detailed plan of Rasht city and also from Landsat TM imagery to measure urban growth in different directions from the hot spot of all urban users based on the proximity and the area, the results are shown Which has the user density to different levels and the breadth of applications in development and urban growth has played a significant role. Also for horizontal expansion of the city Fuzzy and Cause pattern and Markov chain network in Edrisi software is evaluated and shows that over the course of 18 years Rasht area was 4941.76 hectares It reaches 6202 hectares and represents 1260.243 hectares.



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کلیدواژه‌ها English

: hot spot
side
proximity
area
sprawl
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