نتایج جستجو برای: with population growth in urban areas

تعداد نتایج: 18705683  

Journal: :محیط شناسی 0
علی اکبر شمسی پور هیئت علمی دانشکده جغرافیا، دانشگاه تهران صدرالدین علوی پناه دانشجوی دکتری رشته تغییرات جهانی اقلیم و محیط زیست، دانشکده جغرافیا، دانشگاه هومبولت، برلین سلمان قریشی دانشکده جغرافیا، دانشگاه هومبولت، برلین

1. introductionhumans have actively managed and transformed the world’s landscapes for millennia. after the industrial revolution (between 1820 and 1840) with increase in sanitation, food security and quality of life the human population increased tremendously. urbanization, the demographic transition from rural to urban, is associated with shifts from an agriculture-based economy to mass indus...

Cities are growing and encountering many changes over time due to population growth and migration. Identification and detection of these changes play important roles in urban management and sustainable development. Urban growth models are divided into two main categories: first cellular models which are further divided into experimental, dynamic, and integrated models and second vector models. ...

Journal: :پژوهش و برنامه ریزی روستایی 0
مصطفی بیات زهره ستاری حسن محمدیان مصمم محمد رمضان جورنبیان

extended abstract 1. introduction spatial expression of increase in earth planet population as the consequence of industrialization, improving the living standards, and reducing the amount of epidemic diseases in the past century, has been the physical-spatial development of urban and rural settlements. this transformation, especially during past decade, beside the technological advances, has s...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1389

abstract the current study sets out 1) to investigate the strategic needs of iranian efl learners in reading literary and non-literary texts; 2) to shed some light on the differences between reading literary and non-literary texts; and 3) to specify the differences in the interaction of participants with texts while reading two literary subgenres ( i.e., short story and literary essays). to ...

Journal: :محیط شناسی 0
طاهره کوخائی کارشناسی ارشد مهندسی طراحی محیط زیست، دانشکدۀ محیط زیست، دانشگاه تهران محمدرضا مثنوی دانشیار گروه مهندسی طراحی محیط زیست، دانشکدۀ محیط زیست، دانشگاه تهران

introduction the urban population experienced rapid growth in the recent decades, particularly between 1975 and 2000 when it has reached from 1.5 to more than 2 billion people. by turn of the century; half of the world's populations are concentrated in cities. this would severely affect the quality of life in urban areas. accordingly, cities will be faced with significant challenges in inf...

Journal: :American journal of preventive medicine 2008
Semra A Aytur Daniel A Rodriguez Kelly R Evenson Diane J Catellier

BACKGROUND Urban containment policies attempt to manage the location, character, and timing of growth to support a variety of goals such as compact development, preservation of greenspace, and efficient use of infrastructure. Despite prior research evaluating the effects of urban containment policies on land use, housing, and transportation outcomes, the public health implications of these poli...

سلمان‌ماهینی, عبدالرسول, شیخ‌گودرزی, مهدی, علیزاده‌شعبانی, افشین, فقهی, جهانگیر,

  Urbanization is one of the most significant global changes. The rapid growth in urban area isimposing high pressure to land and their resources. With regard to various ecological services of the Hyrcanian ecosystems and the necessity to conserve them, this research aimed to investigate the growth trend of urban areas and their impacts on land suitability of the conservational patches in Korga...

2012
Anjali Srivastava

All life form on this planet depends on clean air. Air quality not only affects human health but also components of environment such as water, soil, and forests, which are the vital resources for human development. Urbanization is a process of relative growth in a country’s urban population accompanied by an even faster increase in the economic, political, and cultural importance of cities rela...

2014
Lior Weissbrod Dan Malkinson Thomas Cucchi Yuval Gadot Israel Finkelstein Guy Bar-Oz

Modern rapidly expanding cities generate intricate patterns of species diversity owing to immense complexity in urban spatial structure and current growth trajectories. We propose to identify and uncouple the drivers that give rise to these patterns by looking at the effect of urbanism on species diversity over a previously unexplored long temporal frame that covers early developments in urbani...

The aim of study is to survey the sustainability of Mashhad based on the Corridor and Transit–Oriented, Rail-Centered development approach. The research method is descriptive-analytical, to collect the data has been used library and field studies and available databases in GIS. The intended statistical population are those who are living within eight-hundred-meter radius of four areas aro...

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