بررسي وضعيت فضاي سبز شهر اصفهان از ديدگاه توسعه پايدار با استفاد از رويكرد ديناميك سيستم ها

چكيده انگليسي :

A Survy on Green Space of Isfahan City from View Point of Sustainable Development Using System Dynamics Shaadi Rashtian s rashtian@ag iut ac ir July 31 2009 Department of Department of Agriculture Isfahan University of Technology Isfahan 84156 83111 Iran Degree M Sc Language Farsi Ahmad Khatun Abadi Ahmadkh2002@yahoo com Abstract Green space are undeniable necessity in the urban echosystems Isfahan regarding this fact that it has become the pivat of industrial development has been faced with some risks such as increased population the conversion of the valuable lands to the constructions and buildings progressive immigration from other areas decreased quality and quantity of water and soil resources and increased bio environmental pollution If these irregular trends continue to occure it will jeopardise the continuation of civil life in the city This research tries to clarifying the importance and the real place of green space in the process of continuous developement of the urban areas by using a systemic logic and introduces a methocl by which it could diagnose the effective factors related to par capita green space A method was purposed to determine the per capita greenbelt of Isfahan city as a model which was included effective parameters such as the needed areas for a tree to grow the temperature pollution and density of people in each room At the next phase by separating 12 districts of Isfahan city and combining the relative population method relative demand method and relative land method it was determined the changes in capitation for each district then evaluated against the other districts Also the dynamic systems method was used to analyze the trend of changes from 2004 to 2025 The results from analyzing the data showed that the desired capitation for green space in Isfahan is 56 m2 per person But considering the desired capitation 56 m2 per person in 12 districts their capitations would change and most of them wouldn t have the desired capitation 56 m2 per person due to low areas in relation to population ratio Meanwhile the district 9 has the relative needed capitation But higer land in relation to population ratio of the district 12 is higher than desire 56 m2 per person due to higher land in relation to population ratio The prediction of changes in green space in Isfahan based on system dynamics showed that the differences between desired green space and the present situation in the district 3 is decreasing due to the decreasing trend in population in addition to the efforts of related organizations in expanding the green space While the district 9 having a sharp slope upward in terms of the gap between the desired and the present green space is worsening However in other districts 12 10 8 6 and 5 the gap between the desired and the present green space is the highest due to increasing pollutions and population at the end of this period 2004 2025 because the ecologic capacity in the districts is tending to zero because of increasing population Key words Sustainable development Per capita green space desire green space dynamic system pdfMachine is a pdf writer that produces quality PDF files with ease Get yours now Thank you very much I can use Acrobat Distiller or the Acrobat PDFWriter but I consider your product a lot easier to use and much preferable to Adobe s A Sarras USA

رشتيان، شادي

بررسي وضعيت فضاي سبز شهر اصفهان از ديدگاه توسعه پايدار با استفاد از رويكرد ديناميك سيستم ها

سرانه فضاي سبز , جنگل شهري , پارك شهري , آلاينده ها