background : studies have shown that noise pollution has harmful effects on human health. the sound of traffic is the main source of noise pollution in cities. the purpose of this study was to determine noise pollution using a geographical information system (gis) in the main streets of kashan, iran. methods: in this study, 180 noise samples were collected from 20 regions of the main streets in...

the aim of this study was to present a model to identify and interpret sport places per capita according to distribution of thiessen networks in geographical information system (gis) space. to execute the model, three regions (5, 6 & 13) of isfahan city were considered and indoor pools were also considered as the sport place sample. dwg-format region maps and their blocks, spatial data and accu...

OBJECTIVE This study aimed to investigate the frequency of overweight and obesity among Iranian adolescent girls aged 14-17 years and its possible association with maternal education in Rasht city in 2005. DESIGN A cross-sectional survey on 1054 schoolgirls. SETTING High schools in Rasht city, Iran. METHODS A multistage sampling method was used and 1054 randomly selected schoolgirls were ...

STUDY OBJECTIVES To establish the geographical relation of health conditions to socioeconomic status in the city of Rio de Janeiro, Brazil. DESIGN All reported deaths in the municipality of Rio de Janeiro, from 1987 to 1995, obtained from the Mortality Information System, were considered in the study. The 24 "administrative regions" that compose the city were used as the geographical units. A...

rainfall is considered a highly valuable climatologic resource, particularly in arid regions. as one of the primaryinputs that drive watershed dynamics, rainfall has been shown to be crucial for accurate distributed hydrologicmodeling. precipitation is known only at certain locations; interpolation procedures are needed to predict this variablein other regions. in this study, the ordinary cokri...

 This paper discusses traditional development models of GIS and proposes another model, geographical information system shell(GISS). Following the thought of GISS, a geographic information query tool(GIQT) is developed. GIQT's main purpose and menu structure are introduced, as well as the classification and encoding. This paper especially describes the implementation of "two-direction multi-fu...

introduction: the process of urbanism in countries that are developing, like islamic republic of iran with increasing of the number and the size of cities and the fast accepting of population have been caused the forming of problems like an in-official economics and in-official settlement and was become creating high population in main and old places of city and increasing of air pollution and ...

There has been an increasing interest for what could be designated as 3D Cartography or 3D Geographical Information Systems which led to the development of web based technologies for visualization and interaction of 3D city models. The Open Geographic Consortium came out with the City Geography Markup Language as a industry standard for the modelling of city landscapes and the web 3D Consortium...