introductionpopulation data is easily accessible and shows the relationship between city size and other socio-economic factors in the city indirectly, so many geographers using this type of data to gain an understanding of the structure of the cities network and distribution of the people in the different levels of urban hierarchy. in fact, urban hierarchy is the best way of space organization ...

background :there is substantial lack of knowledge about the role of socioeconomic status (ses) indicators on life expectancy (le) within-cities, especially within mega-cities. we aimed to investigate the disparities of le within city districts of tehran, iran, and specify how ses inequalities play role on le.   methods : the death and population data for 2010 by different age, gender, and resi...

Dengue fever (DF) is a common and rapidly spreading vector-borne viral disease in tropical and subtropical regions. In recent years, this imported disease has posed an increasing threat to public health in China, especially in many southern cities. Although the severity of DF outbreaks in these cities is generally associated with known risk factors at various administrative levels, spatial hete...

in developing countries, the domination of peripheral and dependent capitalism relations and the lack of appropriate structures and channels of attracting, this system have caused some kind of spatial-anatomic unbalances that has resulted in the appearance of single cities with national and regional prevalence. this situation is the main reason for small, medium and intermediate cities to lose ...

in today's cities, especially metropolises, the issue of identity and its transformation has become one of the most important issues among urban authorities and designers. mean while, mashhad as the second religious metropolises in the world has an identity- causing and effective role among islamic cities of iran in recent decades, the amount of urban construction, especially in central pa...

We used data available from the literature and measurements from Baltimore, Maryland, to (i) assess inter-city variability of soil organic carbon (SOC) pools (1-m depth) of six cities (Atlanta, Baltimore, Boston, Chicago, Oakland, and Syracuse); (ii) calculate the net effect of urban land-use conversion on SOC pools for the same cities; (iii) use the National Land Cover Database to extrapolate ...

Scientists conducting research in the field of LGBTQ+ Mental Health, like scientists any other field, have option submitting their work to a more specialized or general interest jo...

looking at the structure of the cities, especially older parts of the city, it is seen that most of the urban public parts and elements are constructed not with any reliance on state resources and credits, but based on the consecration systems and public investments. added to the sublime religious, social and economic values latent in the consecration culture, its impact in creating identity an...