It is a great pleasure for me to attend the Fourth Annual Forum on City Informatization in the Asian-Pacific Region while having this opportunity to exchange views with the distinguished guests. IT Promotes Development, the theme of the annual forum which fully reveals the significance of sustainable development of informatization and its role in the development. This is a theme which attracts ...

Most existing spatio-temporal urban expansion models consider urban land-use as a binary process, through the identification of urban versus non-urban areas. The main aim of this study is to analyze and model the expansion of multiple urban densities in Wallonia, Belgium. To this end, this study employs a multinomial logistic regression model that enables to visualize the consequence of differe...

The contribution from different emission sources and atmospheric processes to gaseous elemental mercury (GEM), gaseous oxidized mercury (GOM), particulate bound mercury (PBM) and mercury deposition in eastern China were quantified using the Community Multi-scale Air Quality (CMAQ-Hg) modeling system run with a nested domain. Natural sources (NAT) and six categories of anthropogenic mercury sour...

Introduction Conclusions References Tables Figures Back Close Abstract Introduction Conclusions References Tables Figures Back Close Abstract The urban boundary layer (UBL), in comparison with " rural " homogeneous atmospheric boundary layers, is characterised by greatly enhanced mixing, resulting from both the large surface roughness and increased surface heating, and by horizontal heterogene-...

Data from the urban renewal experience in Syracuse, New York are used to examine the impact of race on patterns of intra-urban migration. The results show that, overall, the migration patterns exhibited an exponential decay in frequency with increasing distance. Both blacks and whites display this pattern, but blacks tend to cluster more closely around the point of origin. Indirect evidence is ...

The purpose of this research was to study the role of non-governmental organization inpreserving of urban green areas in the city of Tehran. This is a descriptive-correlationresearch method. Population of this study was 120 active members of two non-governmentalorganizations in Tehran. After distributing the questionnaires, 62 questionnaires werereturned. Content and face validity of the instru...

To determine the prevalence of intestinal parasites in school children of Shariar, 1902 students (58 % male, 42 % female) were randomly selected from 22 schools in rural and urban regions of Shahriar. After filling out a questionnaire from the selected students, fresh stool samples were examined for the presence of intestinal parasites and determining this tynos. The age of study population wa...

in this study, the environmental effects of land use changes on vegetation cover and emitted land surface temperature in two urban and non-urban areas of ardakan in yazd province, iran, were studied and compared temporally, using remote sensing technique. for this purpose, contemporary land sat satellite images in 1990 and 2002 were acquired and used. then vegetation cover maps were generated u...

This article contributes to the nascent literature on the health of urban Aboriginal people by comparing the health status and determinants of health of the urban Aboriginal and urban non-Aboriginal population in Canada. Data for the research were taken from the 2001 Aboriginal Peoples Survey (APS) and the 2000–2001 Canadian Community Health Survey (CCHS) Cycle 1.1. Framed within a population h...