نتایج جستجو برای: urban pollution

تعداد نتایج: 233683  

2008
M. khalesian P. Pahlavani M. R. Delavar

Air pollution from motor vehicles is one of the most serious and rapidly growing problems in metropolitan areas. It is occurred especially in major arterial streets inside the metropolitan central district because of the heavy traffic congestion suffering. Although transportation networks operate as an integrated system, at a regional level we can safely assume that local urban congestion will ...

2008
Maya Kurteva Katerina Stambolieva

Acer pseudoplatanus L., Acer platanoides L. and Betula pendula Roth. have been studied under the urban pollution in Sofia during 3 years period. The aim of the study was, by statistical multifactorial analysis, to assess the value changes in morphological parameters of species under air pollution and potential for species usage as bioindicators in observed regions. The statistical analysis incl...

Journal: :ISPRS Int. J. Geo-Information 2016
Junyi Huang Qiming Zhou Zhifeng Wu

Rapid urbanization has caused many environmental problems, such as the heat island effect, intensifying air pollution, pollution from runoff, loss of wildlife habitat, etc. Accurate evaluations of these problems demand an accurate delineation of the spatial extent of the urban fringe. Conceptual and analytical ambiguity of the urban fringe and a general lack of consensus among researchers have ...

2015

A reliable urban transport system provides citizens’ access to workplaces, social engagements and other services (Browne and Ryan, 2011). At the same time, high levels of traffic impose negative externalities on society, including congestion, accidents, noise pollution or environmental damage (Santos et al., 2010). Decision-makers objectives are made up of a variety of different impacts (econom...

Journal: :Computers, Environment and Urban Systems 2008
Moira L. Zellner Thomas L. Theis Arunprakash T. Karunanithi Ahjond S. Garmestani Heriberto Cabezas

Urban systems emerge as distinct entities from the complex interactions among social, economic and cultural attributes, and information, energy and material stocks and flows that operate on different temporal and spatial scales. Such complexity poses a challenge to identify the causes of urban environmental problems and how to address them without causing greater deterioration. Planning has tra...

2004
Andrew M. Coutts Jason Beringer Nigel J. Tapper Helen Cleugh Andrew M Coutts

By the year 2003, 47% of the world’s 6.3 billion inhabitants were living in urban areas, while in more developed countries, 75% of the population (1.2 billion) lived in urban areas (Population Reference Bureau, 2003). As more and more people make their residencies in the heart of the industrial and commercial world, urbanisation will continue to grow. Alterations to the natural environment due ...

Journal: :iranian journal of public health 0
tao tian college of economics and management, anhui agricultural university, china. yuhuai chen college of humanities and social sciences, anhui agricultural university, china. jing zhu college of economics and management, anhui agricultural university, china. pengling liu college of economics and management, anhui agricultural university, china.

background : china has become an aging society, and the mental health problem of the elderly is increasingly becom-ing prominent. this paper aimed to analyze the effect of air pollution and rural-urban difference on mental health of the elderly in china. methods : using the data from the china health and retirement longitudinal survey (charls, 2013), after control-ling the social demography var...

Journal: :Logic Journal of the IGPL 2012
Angel Arroyo Emilio Corchado Verónica Tricio

Multidisciplinary research into statistical and soft computing models is detailed that analyses data on inmissions of atmospheric pollution in urban areas. The research analyzes the impact on atmospheric pollution of an extended bank holiday weekend in Spain. Levels of atmospheric pollution are classified in relation to the days of the week, seeking to differentiate between working days and non...

2014
Elisabetta Ceretti Donatella Feretti Gaia C V. Viola Ilaria Zerbini Rosa M. Limina Claudia Zani Michela Capelli Rossella Lamera Francesco Donato Umberto Gelatti

Air pollution has been recognized as a human carcinogen. Children living in urban areas are a high-risk group, because genetic damage occurring early in life is considered able to increase the risk of carcinogenesis in adulthood. This study aimed to investigate micronuclei (MN) frequency, as a biomarker of DNA damage, in exfoliated buccal cells of pre-school children living in a town with high ...

2003
Rainer Gross

Urbanization is one of the predominant demographic trends of the late 20th century, with populations in developing countries moving in ever greater numbers from the rural countryside to cities of all sizes. The nutrition community is logically mostly fixated on issues of intake of foods and determination by nutritional status, and see urbanization and urban populations through that prism. Aside...

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