the main objective of this study was to arak city zoning geomorphological parameters of the model using fuzzy logic. in order to realize these objectives, 10 parameters including of height, distance from fault, distance from the main channel, distance from sub-channel, distance from road, slope percent, distance from settlements, terrain type, erosion potential and seismic vulnerability in the ...

abstract fars province with a share of more than 16 percent holds the highest rank in producing tomato in iran. this study aims at determining priorities for tomato processing centers in fars province’s townships. to achieve the study objective a distance minimizing pattern was used for transportation network between producing and processing centers as well as processing and consumption centers...

The spatial arrangement of urban hubs and centers and how individuals interact with these centers is a crucial problem with many applications ranging from urban planning to epidemiology. We utilize here in an unprecedented manner the large scale, real-time 'Oyster' card database of individual person movements in the London subway to reveal the structure and organization of the city. We show tha...

This studyutilized the mobile signaling data to conductthe impact analysis of jobs-housing spatial mismatch on commuting behavior, with eight typical employment centers of three categories selected as the research subjects. Based on the analysis of the characteristics and indictors including commuting distance, accessibilities from cumulative opportunity model etc., this study demonstrates that...

introduction: attention to food safety and health at all stages from production to consumption is inevitable. inappropriate sanitary status of the food production, distribution and supply centers caused food-borne diseases. the aim of this study was to evaluate the environmental health indicators of halva and tahini production centers in the city of ardakan in 2013. materials & methods: this is...

extended abstract 1. introduction one of the important issues in crisis management is providing settlement and help to the injured. in fact, the location of rescue and help centers should be designed in such a way that after the incident, there is the best chance ofgiving response to victims. in this regard, one of the important tasks of urban planners is to identify suitable locations for evac...

Since cities become more complex and some of large cities are likely to be polycentric, a better understanding of cities requires a clear topology that reveals how city centers are spatially distributed and interacted. The identification of city center that aims to find out accurate location of city center or delineate city center with a precise boundary becomes vital. This work attempts to ach...