ارزیابی و تحلیل اکولوژیک توسعه فیزیکی شهر دُرچه

نوع مقاله : مقاله علمی پژوهشی

نویسندگان

1 دکتری برنامه ریزی شهری، واحد نجف آباد، دانشگاه آزاد اسلامی، نجف آباد، ایران

2 کارشناس ارشد برنامه ریزی شهری، دانشگاه اصفهان، اصفهان، ایران

چکیده
زمینه و هدف: رشد فزاینده محیط های شهری مشکلات زیست محیطی شهرهای قرن بیست ویکم را به همراه داشته است. این مشکلات موجب بروز ناپایداری محیط های شهری شده است. رویکردهای مختلفی برای رسیدن به تعادل و پایداری شهری ارائه شده است یکی از این رویکردها شهراکولوژیک است. هدف این پژوهش بررسی نقش توسعه فیزیکی و فشردگی شهری در راستای دستیابی به توسعه اکولوژیک در شهر درچه است.
روش شناسی: روش تحقیق در پژوهش حاضر از نظر پارادایمی کمی، از نظر هدف کاربردی و از نظر ماهیت توصیفی - تحلیلی است. روش گردآوری اطلاعات به صورت کتابخانه ای و پیمایشی بوده است؛ جهت ارزیابی رشد پراکنده شهری از مدل آنتروپی شانون و هلدرن استفاده شده است و برای تحلیل اطلاعات از نرم افزار GIS وSPSS استفاده شده است.
نتایج و یافته ها: نتایج پژوهش از طریق مدل آنتروپی شانون نشان می دهد مقدار H بین سال های 1390و 1400 به ترتیب 5165/1و 4084/1 است و مقدار (7) Ln برابر با 9459 /1 است و ضریب آنتروپی بین سال های 1390 تا 1400 کاهش یافته است؛ نتایج مدل هلدرن نشان می دهد که در فاصله سالهای 1400 -1335 حدود 92 درصد از رشد فیزیکی شهر مربوط به رشد جمعیت و 8 درصد مربوط به رشد افقی و اسپرال شهر بوده است؛ بنابراین شرایط برای شکل گیری کاربری مختلط و فشرده به لحاظ ساختار اکولوژیک در این شهر فراهم است. همچنین با توجه به مطالعات انجام شده از سال 1390 تا امروز (1404) رشد شهری تحت کنترل در آمده است و مساحت محدوده شهر نسبت به محدوده مصوب طرح های قبلی36 هکتار کاهش یافته است و از گسترش افقی و بی قواره شهر جلوگیری شده است؛ در واقع این تغییر باعث شده است حرکت شهر به سوی شهر فشرده باشد، این گونه رشد در راستای توان اکولوژیک آن است و می تواند از جهت اقتصادی، کالبدی و فیزیکی به توسعه اکولوژیک و پایداری شهر کمک کند.

کلیدواژه‌ها

موضوعات

عنوان مقاله English

Ecological Assessment and Analysis of Physical Development of Dorcheh City

نویسندگان English

Ebrahim Barati 1
Hosein Esmaeil Zadeh 2
1 Ph.D in Urban Planning, Najaf Abad Branch, Islamic Azad University, Najaf Abad, Iran
2 MSc of Urban Planning, University of Isfahan, Isfahan, Iran
چکیده English

Background and Objective: The increasing growth of urban environments has brought environmental problems to cities in the 21st century. These problems have led to the instability of urban environments. Various approaches have been proposed to achieve urban balance and sustainability, one of which is ecological city. The aim of this research is to investigate the role of physical development and urban density in achieving ecological development in the city of Dorche.
Methodology: The research method in the present study is quantitative in terms of paradigm, applied in terms of purpose, and descriptive-analytical in nature. The method of data collection was library and survey; Shannon and Holdern entropy model was used to evaluate urban sprawl, and GIS and SPSS software were used to analyze the data.
Results and findings: The results of the research through the Shannon entropy model show that the value of H between 1390 and 1400 is 1.5165 and 1.4084 respectively and the value of Ln (7) is 1.9459 and the entropy coefficient has decreased between 1390 and 1400; the results of the Holdern model show that between 1335 and 1400, about 92 percent of the city's physical growth was related to population growth and 8 percent was related to the city's horizontal and spiral growth; therefore, the conditions for the formation of mixed and intensive use in terms of ecological structure are available in this city. Also, according to the studies conducted from 1390 to today (1404), urban growth has been controlled and the area of ​​the city's boundary has decreased by 36 hectares compared to the area approved in previous plans, and the horizontal and irregular expansion of the city has been prevented; In fact, this change has caused the city to move towards a compact city. This type of growth is in line with its ecological potential and can contribute to the ecological development and sustainability of the city economically, physically, and socially.

کلیدواژه‌ها English

Evaluation
Physical Development
Shannon entropy
Dorcheh city
Ecological City
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  • تاریخ دریافت 05 آذر 1404
  • تاریخ بازنگری 07 دی 1404
  • تاریخ پذیرش 20 بهمن 1404
  • تاریخ اولین انتشار 21 بهمن 1404
  • تاریخ انتشار 01 آذر 1405