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Manuscript is devoted to comparative analysis of digital elevation models (DEMs) derived from data collected on the city road interchange of the Almaty by different methods. Nowadays this is an actual theme for the Almaty city, as the growing metropolitan area. Specifically, there is a traffic flow increase every year, and therefore it is necessary to solve the problem of the city?s road load by building new city road interchanges with greater capacity, at the same time, and to increase efficiency of existing road...

This study delineates groundwater potentiality assessment for growing population, irrigation and industrial development, combining with geo-informatics and field data for hydrological research in Kalmykia, Russia. Various thematic layers wear used along with existing maps to prepare groundwater potential zone (GWPZ) map. Weights were assigned to all above factors according to their effectiveness, sensitivity and relevance to groundwater potentiality. Furthermore the resulting groundwater potential map has been cla...

Air pollution is one of the main factors that affects human health. It may affect our health in many ways both long and short term. Exposure time of air pollution increases the risk of respiratory diseases, such as pneumonia, lung cancer, and causes cardiovascular diseases. Air pollution affects different groups of individuals in various ways. An objective of this study was to investigate the level of pollution in snow blanket in Jelgava city after exposition of 7 days and to determine the cause of pollution in di...