نتایج جستجو برای: amount of green space per person

تعداد نتایج: 21231974  

Journal: :تحقیقات جغرافیایی 0
ایوب منوچهری صابر محمد پور حسین حاتمی نژاد مهدی حسام

the criteria and standards of green space development should be specified before any planning for green space development. the cities' conditions not only rule the creation of vast and more importantly planned and organized green spaces but also demand vast green space in order to establish ecological balance against made environments. this research tries to study green space per capita in...

Journal: :محیط زیست طبیعی 0
زینت گومه کارشناس ارشد سنجش از دور و gis، دانشگاه شهید چمران اهواز کاظم رنگزن استادیار گروه سنجش از دور و gis، دانشکده علوم زمین، دانشگاه شهید چمران اهواز علی اکبر نظری سامانی استادیار گروه احیای مناطق خشک و کوهستانی، دانشکدۀ منابع طبیعی، دانشگاه تهران جمال قدوسی مدرس دانشگاه آزاد اسلامی، واحد علوم تحقیقات

urbanization and population growth along with an increase in the environmental pollution resulting from human activities which have dramatically changed the green space and land cover have been key factors in the sustainable development of land and the management of land use. to collect reliable data required for providing land cover maps as well as for investigating the environment, remote sen...

Journal: :desert 0
h. ahmadi professor, science and research branch, islamic azad university,tehran, iran h. azarnivand professor, faculty of natural resources, university of tehran, karaj, iran m.r. ekhtesasei associate prof., faculty of natural resources, yazd university, yazd, iran m. tazeh assist. prof., faculty of natural resources, ardakan university, ardakan, iran

there have been different indices identified for desertification. among these is technogenic desertification index which seems much more efficient. in this study, some of technogenic desertification indices were studied and evaluated. first land use maps of the region were taken from irs-pan satellite image and aerial photos analysis. after evaluating the area of different uses, lands that had ...

Journal: :desert 2013
h. ahmadi h. azarnivand m.r. ekhtesasei m. tazeh

there have been different indices identified for desertification. among these is technogenic desertification index which seems much more efficient. in this study, some of technogenic desertification indices were studied and evaluated. first land use maps of the region were taken from irs-pan satellite image and aerial photos analysis. after evaluating the area of different uses, lands that had ...

Journal: :international journal of advanced biological and biomedical research 2013
ahmad beiranvand amir eslam bonyad javad sousani

quantitative identification of physical changes, developments and dynamic position of urban green space is considered as the first step in its planning. by means of the aerial photos taken in 1956, 1974, and 1994 as well as the quick bird satellite image captured in 2006, this study has dealt with changes in per capita green space in khorramabad during these years. first, geometric corrections ...

Journal: Desert 2012
H. Ahmadi H. Azarnivand M. Tazeh M.R. Ekhtesasei

There have been different indices identified for desertification. Among these is technogenic desertification index which seems much more efficient. In this study, some of technogenic desertification indices were studied and evaluated. First land use maps of the region were taken from IRS-PAN satellite image and aerial photos analysis. After evaluating the area of different uses, lands that had ...

Journal: :تحقیقات جغرافیایی 0
کرامت اله زیاری دانشکده جغرافیا، دانشگاه تهران کرامت اله زیاری دانشکده جغرافیا، دانشگاه تهران فاطمه سالاروندیان دانشگاه تهران ایرج تیموری گروه جغرافیا و برنامه ریزی شهری، دانشگاه تبریز، پردیس بین المللی ارس

in the recent years, increasing of green house gases, degradation of environment, deforestation alongside with the limitation and decreasing of ecological foot print of the earth for supplementation of human needs are the main problems of the world. the carbon dioxide gas as a main factor of world climate change, carry out the 60 percent of the global heating or greenhouse effect. the main sour...

Journal: :جغرافیا و توسعه فضای شهری 0
راضیه تیموری رسول قربانی محمدرضا پورمحمدی محسن احدنژاد

extended abstract 1. introduction the important roles played by green space are the social, economic, cultural and environmental aspects of sustainable development. thus, the quality and quantity of green space should be appropriate to the physical size of the city and the needs of society and also it should be developed according to the ecological conditions of the city and its future developm...

Ahmad Beiranvand, Amir Eslam Bonyad Javad Sousani

Quantitative identification of physical changes, developments and dynamic position of urban green space is considered as the first step in its planning. By means of the aerial photos taken in 1956, 1974, and 1994 as well as the Quick Bird satellite image captured in 2006, this study has dealt with changes in per capita green space in Khorramabad during these years. First, geometric corrections ...

Ahmad Beiranvand, Amir Eslam Bonyad Javad Sousani

Quantitative identification of physical changes, developments and dynamic position of urban green space is considered as the first step in its planning. By means of the aerial photos taken in 1956, 1974, and 1994 as well as the Quick Bird satellite image captured in 2006, this study has dealt with changes in per capita green space in Khorramabad during these years. First, geometric corrections ...

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