تجزیه و تحلیل پایداری زیست‌محیطی محلات شهر همدان براساس مقایسۀ روش‌های تصمیم‌گیری چندمعیاره و دیدگاه ساکنین

نوع مقاله : مقالات مستقل پژوهشی

نویسندگان

1 استادیار گروه علوم محیط زیست دانشکده علوم دریایی و محیطی، دانشگاه مازندران، بابلسر، ایران

2 گروه جغرافیا و برنامه ریزی شهری، دانشگاه آزاد واحد سمنان

3 گروه علوم محیط زیست دانشگاه مازندران

چکیده

پایداری محیط و کیفیت محیط شهری یکی از مسائل شهری است که به دلیل اینکه به‌صورت جدی با زندگی ساکنین در ارتباط است، مورد توجه محققین قرار گرفته است. هدف از این پژوهش ارزیابی و اولویت‌بندی پایداری زیست‌محیطی در محلات شهری همدان است. ابتدا به روش نمونه گیری خوشه‌ای و سپس تصادفی ساده 8 محله انتخاب گردید تا خانوارهای ساکن در این محلات به عنوان افراد آزمودنی انتخاب شوند. حجم نمونه با استفاده از روش کوکران برابر با 368 نفر بود. ابزار اندازه‌گیری پایداری زیست‌محیطی، شامل 12 معیار و 71 گویه بود. تجزیه و تحلیل داده‌ها با استفاده از نرم افزار SPSS و GIS انجام شد. برای پایداری زیست‌محیطی محلات از 12 معیار اصلی استفاده شد. با توجه به پرسش‌نامۀ ساکنین، میزان توجه و اهمیت زیرمعیارها مشخص شد. با استفاده از روش‌های AHP و ANP  میزان اهمیت معیارها مشخص گردید و براساس آن معیارهای کیفیت مکان، آزردگی ناشی از حجم ترافیک، چالش‌های زیست‌محیطی و اقدامات حفاظتی مصرف آب چهار معیار مهم بودند. با توجه به تحلیل صورت گرفته آزمون T تک نمونه‌ای مشخص شد که شاخص‌های اقدامات حفاظتی مصرف آب، رضایتمندی از شاخص تحرک و دسترسی، آزردگی ناشی از حجم ترافیک، نارضایتی از صدا و چالش‌های زیست‌محیطی در محلات شهر همدان مطلوب نیستند. نقشۀ پایداری محلات شهر همدان براساس معیارهای مورد استفاده، روش‌های AHP و ANP و آنالیزهای GIS تهیه شد. نتایج نشان داد که با استفاده از هر دو روش محلات پایدار و ناپایدار مشترک هستند (در برخی موارد تفاوت رتبه وجود دارد) که این نشان می‌دهد شهر همدان از لحاظ پایداری چندان پایدار نیست چرا که فاصلۀ محلات پایدار و ناپایدار از سایر محلات زیاد است. از لحاظ فضایی، محلات با پایداری بسیار بالا عموماً در جنوب شهر قرار گرفتند. محلات بلوار ارم و بوستان ارم دارای بالاترین پایداری و محلات قلیانی و چاپارخانه دارای پایین‌ترین پایداری هستند.

کلیدواژه‌ها


عنوان مقاله [English]

Analyzing the Environmental Sustainability of Hamedan City Neighborhoods Based on the Comparison of Multi-criteria Decision-making Methods and Residents' Views

نویسندگان [English]

  • mohammad rahmani 1
  • komeil abdi 2
  • ahmad mohammadi 3
1 Assistant Professor, Department of Environmental Sciences, University of Mazandaran, Babolsar, Iran
2 Department of Geography and Urban Planning, Azad University of Semnan
3 Department of Environmental Sciences, Mazandaran University
چکیده [English]

The sustainability of the environment and the quality of the urban environment is one of the issues that have received the attention of researchers because it is seriously related to the residents’ lives. The purpose of this research is to evaluate and prioritize environmental sustainability in the urban areas of Hamadan. First, eight neighborhoods were selected by cluster sampling and then by simple random sampling, the households living in these neighborhoods were selected as subjects. The sample size using Cochran's method was equal to 368 people. The instrument for measuring environmental sustainability included 12 criteria and 71 items. Data analysis was done using SPSS and GIS software. The 12 main criteria were used for the environmental sustainability of localities. The level of attention and importance of the sub-criteria was determined according to the residents' questionnaire. Using AHP and ANP methods, the importance of the criteria was determined and based on that criteria, quality of place, annoyance caused by traffic volume, environmental challenges, and protective measures of water consumption were considered the four important criteria. According to the analysis of the T single-sample, it was found that the indicators of water consumption protection measures, satisfaction with the mobility and accessibility index, annoyance caused by the volume of traffic, dissatisfaction with noise, and environmental challenges in Hamedan city are not favorable. Hamedan neighborhood sustainability map was prepared based on the criteria used, AHP and ANP methods, and GIS analysis. Findings revealed that Hamadan City is not very stable in terms of sustainability. The results also demonstrated that by using both methods, stable and unstable neighborhoods are the same (in some cases, there is a difference in rank), which shows that Hamadan city is not very stable in terms of sustainability, because the distance between stable and unstable neighborhoods is large. Eram Boulevard and Eram Bostan neighborhoods had the highest stability while Qalani and Chaparkhaneh neighborhoods had the lowest stability.

کلیدواژه‌ها [English]

  • Environmental sustainability
  • urban areas
  • quality of life
  • GIS
  • Hamadan city
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