نتایج جستجو برای: urban area

تعداد نتایج: 729707  

2015
Wang Zihan Ren Hong

Under the background of new urbanization and industry-city integration (I-C Integ. for short), this paper concerns about the rising phenomenon of large residential area and innovation industry, and suggests that the key of I-C Integ. is co-development of urban service industry with the two formers. Then, this paper reviews the concept of Urban Complex and its relationship with I-C Integ., and c...

Introduction Nowadays, economic, social and technological changes namely in the area of transportation affect urban-rural relations to a great extent. That is current urban rural conditions are predominately affected by the quantity and quality of these relations. This study aims to investigate the impacts of these economic relations upon socialeconomic status of rural areas of Chehelcha loc...

2013
Shuqing Zhao Chao Zhu Decheng Zhou Dian Huang Jeremy Werner

China has been experiencing rapid urbanization in parallel with its economic boom over the past three decades. To date, the organic carbon storage in China's urban areas has not been quantified. Here, using data compiled from literature review and statistical yearbooks, we estimated that total carbon storage in China's urban areas was 577 ± 60 Tg C (1 Tg = 10(12) g) in 2006. Soil was the larges...

The main goal of the present study was to implement a hybrid pattern of cellular automata model and particle swarm optimization algorithm based on TM and ETM+ imagery of landsat satellite from 1988 to 2010 for simulating the urban sprawling. In this study, an alternative model was implemented in two ways: the first method was based on two images (1988 and 2010) and the second one was based on t...

2012
Ruifang Hao Wei Su Deyong Yu

Urban sprawl is a hot topic of global concern with increasing dramatically and impact on ecological environment. But there is not a mature method to explain the detail of process of urban sprawl and dynamic changes. In this paper, the dynamic changes of urban is studied based on 1980, 1988, 1994, 2000 and 2005 five remote sensing images of Shenzhen. It is distinguished three types including inf...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی و علوم دریایی 1388

this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...

Journal: :Remote Sensing 2017
Rui Yao Lunche Wang Xin Huang Xian Guo Zigeng Niu Hongfu Liu

The urbanization effects on land surface phenology (LSP) have been investigated by many studies, but few studies focused on the temporal variations of urbanization effects on LSP. In this study, we used the MODIS EVI, MODIS LST data and China’s Land Use/Cover Datasets (CLUDs) to investigate the temporal variations of urban heat island intensity and urbanization effects on LSP in Northeast China...

Journal: :The Journal of the American Board of Family Practice 1991
S C Stripe J Susman

BACKGROUND Provision of emergency medical services (EMS) in the rural United States presents a unique challenge. While rural and urban EMS outcomes have been compared, differing urban-rural population characteristics and roles for rural ambulance teams can confound such comparisons. METHODS A year-long study of the prehospital EMS was conducted in rural Richardson County, Nebraska. Data were ...

Journal: :جغرافیا و توسعه فضای شهری 0
طاهره صادقلو مهدی بازرگان علی بهشتیان مسکران

now days, citizens safety in urban spaces is one of the most important worries of urban managers. this may be reflected in different characters of urban spaces such as physical, social and economical and even political characters. with regard to increasing crimes and complexities of urban spaces, trying for achieve to sustainable, healthy and good cities mean in providing the safety environment...

Mortezavi, Morteza , Sheykh, Reza ,

Abstract: One of the main responsibilities of urban managers is to create justice in the area of fair and equal access of citizens to urban services. By objective realization of spatial justice concept, while providing the citizens with the appropriate services, the ground of reducing urban problems is prepared. Spatial justice is one of the main concepts of sustainable urban development. This ...

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