نتایج جستجو برای: and urban

تعداد نتایج: 16863031  

Journal: :Remote Sensing 2017
Tao Pan Dengsheng Lu Chi Zhang Xi Chen Hua Shao Wenhui Kuang Wenfeng Chi Zhengjia Liu Guoming Du Liangzhong Cao

Rapid urbanization has occurred in northwestern China, threatening the sustainability of its fragile dryland ecosystems. A lack of precise urban land-cover information has limited our understanding on the urbanization in the dryland. Here, we examined urban land-cover changes from 2000 to 2014 in 21 major cities that comprise over 50% of the developed land in arid China, using Landsat Enhanced ...

This paper examines the inter-relationship of three major phenomena- population growth, uncontrolled urban expansion and urban development in Ado Ekiti, Nigeria. Uncontrolled urban expansion has a resultant effect on the urban development of a city whereas uncontrolled urban development is caused by uncontrolled population increase is caused by Migration. This work encapsulates how population g...

Journal: :معماری و شهرسازی 0
اسفندیار زبردست استاد دانشکده شهرسازی، پردیس هنرهای زیبا، دانشگاه تهران، تهران، ایران احمد خلیـلی پژوهشگر دکتری شهرسازی، دانشکده شهرسازی، پردیس هنرهای زیبا، دانشگاه تهران، تهران، ایران مصطفی دهقانی کارشناس ارشد شهرسازی، دانشکده شهرسازی، پردیس هنرهای زیبا، دانشگاه تهران، تهران، ایران

abstract in recent years, the old urban fabrics identification has become a challenging issue in urban planning society in iran. the insufficiency of triple indices which had been introduced by the high council on urban planning and architecture has been criticized by experts several times. in this paper we reconsider the existing urban fabrics identification method and introduce a suitable mod...

Journal: :journal of tethys 0

natural climatic conditions in urban areas can be changed by human physical environment. climate as a natural system and city as a human system have close mutual connections. urban population growth and consequent increase in urban physical expansion may lead to intensification in human activities and disturbances in the environment. this contributes to alterations in solar radiation, balance o...

Journal: :محیط زیست طبیعی 0
صبا رضا سلطانی گروه محیط زیست و انرژی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران سید مسعود منوری گروه محیط زیست و انرژی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران عبدالرسول سلمان ماهینی گروه محیط زیست، دانشگاه علوم کشاورزی و منابع طبیعی گرگان علی اصغر آل شیخ گروه مهندسی سیستم اطلاعات جغرافیایی، دانشگاه خواجه نصیرالدین طوسی

unplanned urban development imposes significant pressure on land resources and land use structures and brings about many negative socio-economic and environmental consequences. therefore, comprehensive studies should be applied to support urban land use management in the world and especially in developing countries. in iran, like many other developing countries, urban development is fast and of...

Journal: :international journal of architecture and urban development 2012
neda feizi najafi

the intervention of urban design in irans architectural structures has been for many years a challenging issue for architects and urban designers over their professional realm. the preservation of architectural structures in iran has always resorted to extremes. this control and direction has sometimes resulted in exclusion of architecture position and has sometimes, once faced with lack of pro...

Journal: :پژوهش های جغرافیایی (منتشر نمی‏شود) 0
محمد رضا پورمحمدی استاد گروه جغرافیا و برنامه ریزی شهری، دانشگاه تبریز فیروز جمالی استاد گروه جغرافیا و برنامه ریزی شهری، دانشگاه تبریز اکبر اصغری زمانی دانشجوی دکتری جغرافیا و برنامه ریزی شهری، دانشگاه تبریز

the complexity of urban systems in our recent world, make it difficult to evaluation and explanation of their changes with traditional and customarily methods. in the past, remote sensing has shown an ability to detect and describe urban growth patterns at different spatial scales. with new remote sensing devices (e.g. ikonos), with innovative image processing techniques and with further develo...

Journal: :international journal of architectural engineering and urban planning 0
mahdieh pazhouhanfar department of architecture, faculty of engeneering, golestan university, gorgan, golestan, iran

current literatures on urban parks and green spaces showed that people’s preference for visiting urban parks in various group users is different. people visit parks for various motives and activities, leading to several patterns of park usability. however, the patterns in urban park use in majority of iran cities are not yet known. this study presented the preference for activity in urban parks...

Journal: :جغرافیا و توسعه ناحیه ای 0
مشکینی مشکینی محمدپور محمدپور رحیمی رحیمی اکبرپور سراسکانرود اکبرپور سراسکانرود

urban green spaces are one of the most important services in modern cities and form a set of urban sustainable development factors which receive considerable attention from urban planners. this paper explains how land use can be optimally allocated to urban public green spaces. in this study, some of the factors influencing urban green spaces in a period from 1373 to 1384 were studied. moreover...

2015
Ying Zhang Yuanyi Zhang Anrong Dang

Urbanization is one of the great challenges of our time and unchecked haphazard urbanization is a serious threat both to the environment and social and economic balance. In order to meet global sustainability targets, rapid urban growth must be channelled into environmentally friendly, sustainable and liveable urban environments. Thus, this special issue focuses on sustainable urban design whic...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید