نتایج جستجو برای: metropolitan regions

تعداد نتایج: 371066  

2006
Min Hwang John M. Quigley

This paper investigates the effects of national and regional economic conditions on outcomes in the single-family housing market: housing prices, vacancies, and residential construction activity. Our three-equation model confirms the importance of changes in regional economic conditions, income, and employment on local housing markets. The results also provide the first detailed evidence on the...

2010
Vincent Blondel Gautier Krings Isabelle Thomas Jane Corrigan

In this article, we examine the existence of regions and borders in Belgium by means of an original data set of more than 200 million mobile communications and a mathematical method which allows networks to be divided into coherent groups in a natural and automatic manner. A geography of mobile communications is thus proposed based on the relative frequency of communications as well as their av...

A. Adeli , A. Hossaini , B. Shabanpour , H. Salehi , T. Hasangholipour ,

  Status of fish consumption was analyzed by completing the 295 questionnaires in all 22 metropolitan regions of Tehran from different households in 2008. After reviewing the descriptive and statistics analysis along with the non-parametric statistics, the fish consumption per capita was extracted through formulas. The average and mode of purchasing of each household occurs 11 times per year wi...

2011
S. J. Lee T. Longcore J. P. Wilson

Nature’s services provided by green cover are important to environmental conditions in cities and their ability to adapt to climate change. Researchers using geospatial technologies have dramatically increased the spatial and temporal resolution of knowledge about the distribution of tree and shrub cover in cities. Much of the current research on tree cover in cities has concentrated on individ...

Journal: :Water science and technology : a journal of the International Association on Water Pollution Research 2012
A C D Morihama C Amaro E N S Tominaga L F O L Yazaki M C S Pereira M F A Porto P Mukai R M Lucci

One of the most important causes for poor water quality in urban rivers in Brazil is the low collection efficiency of the sewer system due to unforeseen interconnections with the stormwater drainage system. Since the beginning of the 20th century, Brazilian cities have adopted separate systems for sanitary sewers and stormwater runoff. Gradually these two systems became interconnected. A major ...

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