آینده‌پژوهی پارامترهای اقلیمی در مواجهه با مناطق شهری (نمونه موردی: شهر اصفهان)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشیار گروه شهرسازی، دانشکده معماری، شهرسازی و هنر، دانشگاه ارومیه، ارومیه، ایران.

2 دانشجوی کارشناسی ارشد برنامه‌ریزی شهری، دانشکده معماری، شهرسازی و هنر، دانشگاه ارومیه، ارومیه، ایران.

چکیده

تغییرات اقلیمی در ایران با افزایش ناهنجاری‌های جوی نظیر بارش ناگهانی و سیل‌آسا، کاهش باران، افزایش متوسط دمای برخی شهرها و ایجاد خشک‌سالی گسترده همراه بوده است؛ بنابراین در این پژوهش سعی بر این است که تأثیر تغییرات اقلیمی بر شهرهای حساس به آب، به‌خصوص شهر اصفهان، ارزیابی‌شده و نیز به پیش‌بینی این تغییرات پرداخته شود. روش تحقیق در این مقاله بر اساس هدف، کاربردی و نیز بر اساس ماهیت، اکتشافی می‌باشد. همچنین از مدل دمارتن برای سنجش ضریب خشکی اصفهان استفاده‌شده است. در ادامه با استفاده از مطالعات اسنادی و کتابخانه‌ای و به کمک اطلاعات ایستگاه‌های سینوپتیک شهر اصفهان و با استفاده از نرم‌افزار SDSM ابتدا تأثیرات مهم اقلیم سنجیده شده و سپس به تأثیرات تغییرات اقلیمی بر این شهر در آینده نیز پرداخته‌شده است. یافته‌های این پژوهش حاکی از آن است که شهر اصفهان به لحاظ آب و هوایی شرایط بسیار بحرانی را سپری می‌کند. اگر روند این تغییرات به‌گونه‌ای مهار نشود، در آینده‌ای نه‌چندان دور شاهد تغییرات عظیمی در شهر اصفهان خواهیم بود. با توجه به نتایج روش دمارتن، مشاهده می‌شود که اصفهان در محدوده خشک و بیابانی قرار داشته و تغییرات اقلیمی به‌شدت بر آن تأثیرگذار است. علاوه بر این، نتایج به‌دست‌آمده از شبیه‌سازی‌ها در نرم‌افزار SDSM که با داده‌های NCEP (بارش و دما) مورد ارزیابی قرار گرفت، نشان داد که شهر اصفهان تا سال ۲۰۵۰ شاهد گرم شدن ۲ درجه سانتی‌گرادی خواهد بود که این دما با تأثیرگذاری در کل شرایط جوی باعث بر هم خوردن الگوهای بارش و سایر متغیرهای ۲۶ گانه سازمان هواشناسی خواهد شد. این در حالی است که اگر تا سال ۲۰۵۰ تمهیداتی برای مهار افزایش دما (مبتنی برافزایش گازهای گلخانه‌ای) اندیشیده نشده باشد، این افزایش روند صعودی به خود گرفته و تا ۴ درجه سانتی‌گراد در سال ۲۰۸۰ افزایش خواهد داشت.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Future research of climatic parameters facing urban areas (Case Study: Isfahan City)

نویسندگان [English]

  • Asghar Abedini 1
  • Negin Habib Pour 2
  • Fatemeh Khojasteh Maghal 2
1 Associate Professor in Department of Urban Planning, Faculty of Architecture, Urban Planning and Art, Urmia University, Urmia, Iran.
2 MA Student of Urban Planning, Faculty of Architecture, Urban Planning and Art, Urmia University, Urmia, Iran.
چکیده [English]

Climatic changes in Iran have been associated with increasing weather anomalies such as sudden and heavy rains, decreasing rain, increasing the average temperature of some cities, and causing widespread drought. Therefore, in this research, an attempt is made to evaluate the impact of climate changes on water-sensitive cities, especially the city of Isfahan, and to predict these changes. The research method in this article is applied based on its purpose and exploratory based on its nature. Also, Demartin's model has been used to measure the dryness factor of Isfahan. In the following, using document and library studies and with the help of information from synoptic stations of Isfahan city and using SDSM software, first the important effects of climate have been measured and then the effects of climate change on this city in the future have also been discussed. The findings of this research indicate that the city of Isfahan is going through very critical conditions in terms of climate. If the process of these changes is not curbed, we will see huge changes in the city of Isfahan in the not-too-distant future. According to the results of Demartin's method, it can be seen that Isfahan is located in a dry and desert region and climate changes strongly affect it. In addition, the results obtained from simulations in SDSM software, which were evaluated with NCEP data (rainfall and temperature), showed that Isfahan City will witness a warming of 2 degrees Celsius by the year 2050, which will affect the entire climate. It will cause the precipitation patterns and the other 26 variables of the Meteorological Organization to collide. This is despite the fact that if measures are not taken to curb the increase in temperature (based on the increase in greenhouse gases) by 2050, this increase will take an upward trend and will increase up to 4 degrees Celsius in 2080.

کلیدواژه‌ها [English]

  • Future studies
  • Climate change
  • canESM2
  • Urban areas
  • Isfahan
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