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:: Volume 27, Issue 4 (2013) ::
GeoRes 2013, 27(4): 159-178 Back to browse issues page
Annual Variation of Daily Precipitation Statistics of Zanjan during Last Decades
Hossein Asakereh *
Zanjan University
Abstract:   (2904 Views)
Variation of climatic elements could be estimated by standard deviation، coefficients of variation and so on. In Iranian climatological literature، variations of climatic elements have main attention during last decades. Meanwhile worldwide climatologist desired to study the characteristics of variations as well as the distribution of frequency average of these elements. In this paper، a useful pattern is presented for studying the variation characters and its trend، absolute and relative variation characters and frequency distribution of daily precipitation of Zanjan city have been analyzed for statistical period of 1961-2006. However there is significant relation between the precipitation and its characters، in spite of a limited variation in the amount of raining، but the character of frequency distribution of precipitation is not decreased. This means that every day have significant decreasing trend. Therefore، in total studying of the precipitation there is no significant variation
Keywords: Change, Variation, Daily Precipitation, Absolute variation Index, Relative Variation Index, Trend
Full-Text [PDF 625 kb]   (1287 Downloads)    
Article Type: Original Research | Subject: Climatology
Received: 2018/06/28 | Accepted: 2018/06/28 | Published: 2018/06/28
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Asakereh H. Annual Variation of Daily Precipitation Statistics of Zanjan during Last Decades . GeoRes 2013; 27 (4) :159-178
URL: http://georesearch.ir/article-1-537-en.html


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Volume 27, Issue 4 (2013) Back to browse issues page
تحقیقات جغرافیایی Geographical Researches
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