نتایج جستجو برای: spatial distribution
تعداد نتایج: 914935 فیلتر نتایج به سال:
The study of the roles and functions of cities and their developments is an important question in modern geographic studies. The unbalanced spatial distribution of populations, irregular migration to metropolises and imbalances in the distribution of economic opportunities between regions have led to focus on the idea of medium-sized cities as one of the most effective approaches to planning ...
many studies on precipitation trend have been performed in recent years (e.g., brunetti et al., 2006; rodrigo et al., 2007; turkesh, 1996), but spatial analysis of the sign of trends is rarely carried out (suppiah and hennessy, 1998; de luis et al., 2000). in the present paper we analyze the observational precipitation data from some oldest meteorological stations to investigate the possible sy...
abstractprecipitation could be regarded as a complex and a very vital element in the earth atmosphere and its spatial-temporal changes can control iran's climate. in the current research, in order to model the spatial-temporal changes of annual precipitation, the data taking from 50 synoptic stations, have been analyzed during the years 1966-2005, with a suitable distribution. the most dat...
Villages located in Isfahan province are one of the areas prone to the spread of cutaneous leishmaniasis, which is characterized by the occurrence of wounds on the skin. To predict the future prevalence of cutaneous leishmaniasis, Continuous monitoring of the spatial distribution of this disease is essential. Disease modeling was performed using two machine learning algorithms called support ve...
nowadays, with the development of human societies and more mastery over the environment, to environmental changes caused by the faster and wider than before the occurrence of the joins. so having the necessary information about these changes and to manage the natural order is essential to sustainable ecosystems, metrics of landscape is tools landscape situation are few mechanisms that cause the...
Background: World Health Organization has proposed age-friendly cities as an urban development approach. Likewise, the spatial distribution of urban facilities can be considered an important issue among urban planners. Method: In 2019, a sample of 770 elderly people was selected by the multi-stage sampling method. Data collection was accomplished using a standard questionnaire of the World Heal...
contemporary cities from many aspects have challenges with the phenomenon of injustice and in different areas suffer from the distribution of benefits, housing, and access to services. meanwhile, the spatial justice and related studies have raised in response to these issues as an emerging and interdisciplinary field. hence, justice has become a principal goal of urban planning in its instituti...
Objectives Considering the migration age pattern and the aging trend in Iran, this study aims to investigate the migration effect on the aging spatial distribution of the country during 2006-2016. Methods & Materials This study is a secondary and descriptive-analytical analysis. The source used is the data of the general population and housing census and the analysis unit is the counties of th...
This research aimed to investigate plant species diversity and spatial distribution of five dominant species i.e. Phragmites australis, Tamarix meyeri, Aeluropus littoralis, Aeluropus lagopoides and Cynodon dactylon in Hamoon international wetlands in 2015. To this end, a randomize-systematic sampling method was used according to w pattern by four strip transect at 5000 m2 at each station. The ...
Background: Improper distribution of medical care creates access inequality to the services in developing countries. This study aimed at investigating inequalities in access to medical facilities in Kermanshah's Metropolitan Area. Materials and Methods: The study was an applied and descriptive – analytical one. Due to the spatiotemporal nature of current research, Geographic Information Sys...
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