ارزیابی ظرفیت برد زیر ساخت های عملکردی-محیط زیستی استانی در ایران

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه فناوری های محیط زیست، پژوهشکده علوم محیطی، دانشگاه شهید بهشتی، تهران، ایران

2 گروه برنامه ریزی و طراحی محیط، پژوهشکده علوم محیطی، دانشگاه شهید بهشتی، تهران، ایران

چکیده

سابقه و هدف : زیرساخت­ های عملکردی به ­عنوان یک سیستم یکپارچه برای حمایت از توسعه پایدار عمل می­ کنند. هدف این مطالعه برآورد و مقایسه ظرفیت ­های برد زیرساخت ­های عملکردی- محیط زیستی استان­ ها می باشد.
مواد و روش ­ها : در این تحقیق برای ارزیابی تعادل بین ظرفیت برد زیرساخت ­های عملکردی- محیط زیستی در استان ­های ایران از مدل 1(FCM) استفاده شده است. این مدل، روش ­های تجزیه و تحلیل میانگین واریانس2 ((MVA و روش مسیر بحرانی  3(CPM) را به ­کار می­ گیرد، همچنین در جهت انعکاس سطح پشتیبانی زیرساخت­ های عملکردی- محیط زیستی مدل بار–حامل4  مد نظر قرار گرفته است. سنجه­های مورد مطالعه با مرور منابع علمی معتبر در زمینه زیرساخت­ های عملکردی از سال­های 2015 تا 2020 و داده­ های مورد استفاده از آخرین آمار موجود از داده ­های تجربی جمع آوری شده از استان­­ های کشور استخراج شده است.
نتایج و بحث: نتایج این بررسی نشان داد که استان گیلان در زیر ساخت ­های فضای سبز و استان تهران در زیر ساخت های عملکردی مرسوم و محیط زیستی بالاترین ظرفیت را دارد و همچنین استان تهران از نظر زیرساخت­ ها رتبه اول کشور را به خود اختصاص می­ دهد و در رابطه باتحلیل بار – حامل انعکاس سطح پشتیبانی زیرساخت­ های عملکردی محیط زیستی نشان می­ دهد که استان ­هایی از جمله تهران برخلاف ارزیابی خوبی که در سنجش ظرفیت برد نشان دادند، با توجه به حجم بار موجود، سطح پشتیبانی خوبی ارائه نمی­ دهند و برعکس استان­ هایی از جمله قم که ظرفیت برد ضعیفی در این زمینه نشان دادند در مورد برخی فاکتورها در تحلیل بار – حامل انعکاس سطح پشتیبانی زیرساخت­ های عملکردی محیط زیستی خوبی را ثبت کردند.
نتیجه ­گیری: در ظرفیت برد زیرساخت ­های عملکردی بین استان­ ها تفاوت وجود دارد و درمنطقه­ هایی با فاکتورهای ویژه ازجمله سیاسی، صنعتی، توریستی و ... بالاترازسایر استان­ ها است و درجه تعادل بین ظرفیت برد زیرساخت­ های عملکردی به ­طور کلی در استان ­های ایران ضعیف و همچنین انعکاس سطح پشتیبانی زیرساخت­ های عملکردی محیط زیستی دارای نوسان­ منفی است. به ­طور کلی در ارزیابی ظرفیت برد زیر ساخت­ های عملکردی کشور، نیاز به اقدام ­های مدیریتی احساس می ­شود.

کلیدواژه‌ها

عنوان مقاله [English]

Evaluation of carrying capacity of provincial functional-environmental infrastructures in Iran

نویسندگان [English]

  • Maryam Saberian Sani 1
  • Romina Sayyahnia 2
1 Department of Environmental Technologies, Institute of Environmental Sciences, Shahid Beheshti University, Tehran, Iran
2 Department of Environmental Planning and Design, Institute of Environmental Sciences, Shahid Beheshti University, Tehran, Iran
چکیده [English]

Introduction: Functional infrastructures act as an integrated system to support sustainable development. Therefore, it is worthwhile to use appropriate methods to evaluate the range capacities of functional infrastructures and the balance between them.
Material and methods: In this research, the FUICC Catastrophe Model (FCM1) was used to evaluate the balance between the range capacity of functional infrastructures in the provinces of Iran. This model uses the methods of analysis of mean variance (MVA) and Critical Path Method (CPM), also the Load-Carrier mode
was used to reflect the level of support for functional environmental infrastructure. The studied indicators were extracted from experimental data collected from 31 provinces of Iran by reviewing valid scientific sources in the field of functional infrastructure from 2015 to 2020 and the data used using the latest available statistics.
Results and discussion: The results of this study showed that Gilan Province has the highest range capacity in green space infrastructure and Tehran Province has the highest range capacity in conventional functional and environmental infrastructures and also Tehran Province ranks first in the country in terms of balance between infrastructures. Regarding load-bearing analysis, the reflection of the level of support of functional environmental infrastructures shows that provinces such as Tehran, contrary to the good evaluation they showed in measuring range capacity. Due to the existing cargo volume, they do not provide a good level of support, and on the contrary, provinces such as Qom, which showed poor range capacity in this field, recorded good environmental performance for some factors in load-bearing analysis.
Conclusion: There is a difference in the range capacity of functional infrastructure between provinces and in some areas with factors such as political, industrial, tourist, etc., it is higher than other provinces and the degree of balance between the capacity of functional infrastructure is generally weak in the provinces of Iran. Also, the reflection of the level of support of functional infrastructures has negative fluctuations and in general, in assessing the range capacity of functional infrastructures, there is a need for management measures .

کلیدواژه‌ها [English]

  • carrying Capacity
  • Functional Infrastructure
  • Sustainable Development
  • FCM

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فصلنامه علوم محیطی
دوره 20، شماره 2
1401
صفحه 19-40

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