Volume 17, Issue 47 (12-2017)                   2017, 17(47): 241-257 | Back to browse issues page

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azizi G, sharifi L. Spatial Analysis of thunder storm in Iran. Journal of Applied researches in Geographical Sciences. 2017; 17 (47) :241-257
URL: http://jgs.khu.ac.ir/article-1-2914-en.html
1- University of Tehran , ghazizi@ut.ac.ir
2- University of Tehran
Abstract:   (2497 Views)
Thunderstorms are major climatic events due to the significant effects and catastrophic consequences on humans and the natural environment. The researches have shown that the elevation and latitude factors are two variables that can affect the occurrence of this phenomenon. Therefore, the main aim of this study is to investigate the spatial analysis of the effects of lightning and its effects on the components such as elevation and geographic extent in Iran. Apart from this fact, firstly, the monthly data of thunderstorms occurrence in 118 synoptic stations of Iran, from 1991 to 2010 on a basis from the countrychr('39')s meteorological organization were obtained and GIS software was produced by the annual and seasonal maps of Iran. Then, for the spatial analysis of this climatic phenomenon, the method of landing statistics of the Kriging (Universal) method was to examine its seasonal and annual status. In order to better understand the effect of Thunder hurricanes from altitude and latitude using Curve Expert software, seasonal and annual charts, along with the correlation of each production, were analyzed. The results show that the highest annual thunderstorms occur in the northwest of Iran, and the least amount is consistent with the central and eastern parts of the country. In addition, according to seasonal analysis, although the station has the highest rate at 800 to 1,300 meters, the maximum occurrence of this phenomenon varies from 0 to 2200 meters in different seasons of the stations. The overall result shows that the factor of height is slightly correlated with the occurrence of the Thunder storm phenomenon and the highest correlation is due to the latitude factor.
Full-Text [PDF 1475 kb]   (606 Downloads)    
Type of Study: Research | Subject: climatology
Received: 2017/11/15 | Accepted: 2018/02/3 | Published: 2018/02/25

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