نتایج جستجو برای: urban green area

تعداد نتایج: 855804  

Journal: :جغرافیا و توسعه ناحیه ای 0
خاکپورali خاکپور رفیعی رفیعی صالحی فرد صالحی فرد توانگر توانگر

the main purpose of this paper is to study urban management performance in public green spaces (parks) based on economical indexes, social indexes and environmental indexes. for this purposes, we use topsis method that is one of the methods of multiple criteria decision making. the data was obtained through interview and also a questionnaire which was distributed among about 1000 families of ma...

Journal: :Environmental pollution 2011
Wenqi Lin Tinghai Wu Chengguo Zhang Ting Yu

Green areas cool the climate of a city, reduce the energy consumption caused by the urban heat island (UHI) effect, and bring along carbon savings. However, the calculation of carbon savings due to the cooling effect of green areas is still not well understood. We have used a Landsat Enhanced Thematic Mapper Plus (ETM+) image of Beijing, to identify the cooled areas, compute the possible energy...

2016
Nadja Kabisch Dagmar Haase Matilda Annerstedt van den Bosch

Research suggests that there is a relationship between the health of urban populations and the availability of green and water spaces in their daily environment. In this paper, we analyze the potential intra-urban relationships between children's health determinants and outcomes and natural areas in Berlin, Germany. In particular, health indicators such as deficits in viso-motoric development i...

خواجه الدین, سید جمال الدین, سفیانیان, علیرضا, ضیائی, حمیدرضا, فلاحتکار, سامره,

Remote sensing is the main technology for assessing expansion and rate of land cover changes. Knowing the different kinds of land cover changes and human activities in different parts of lands, as the base information for different planning is especially important. In this study, the land cover changes of Isfahan city that is consist of Isfahan and its` surrounded area was studied for the past ...

Alireza Abdolahzadefard Alireza Andalib,

Historic urban areas are a significant part of each city not only due to having irreplaceable cultural and social resources, but also due to their attractive patterns of life. They have being threatened by strong development trends. This paper aims to investigate the impacts of redevelopment trends in the historic city of Shiraz, Iran. The paper begins by highlighting historical development in ...

Journal: :international journal of environmental research 2012
j.o. odindi p. mhangara

given the critical role played by urban green spaces and the emergence of remote sensing as avaluable natural resource management tool, this study sought to identify trends in green spaces within thecontext of south africa’s transition period (1990 - 2000). using the city of port elizabeth as a case study, threesets of landsat - 5 thematic mapper images (1990, 1995 and 2000) were geo-processed,...

Journal: :international journal of environmental research 0
m. r. masnavi university of tehran, iran h. tasa university of tehran, iran m. ghobadi university of lorestan, iran m. r. farzad behtash tehran urban planning and research center, iran s. negin taji tehran urban planning and research center, iran

tehran city has been subject of critical environmental challenges during the course of 20th. century namely: massive population growth, broad expansion, reduction in urban open/green spaces, increasing in energy consumption and waste production. releasing industrial wastewater into river valleys have led to considerable changes in structure of city's natural landscape. the natural structur...

Journal: :Annals of behavioral medicine : a publication of the Society of Behavioral Medicine 2013
Ming Wen Xingyou Zhang Carmen D Harris James B Holt Janet B Croft

BACKGROUND Little national evidence is available on spatial disparities in distributions of parks and green spaces in the USA. PURPOSE This study examines ecological associations of spatial access to parks and green spaces with percentages of black, Hispanic, and low-income residents across the urban-rural continuum in the conterminous USA. METHODS Census tract-level park and green space da...

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