:: Volume 27, Issue 3 (2012) ::
GeoRes 2012, 27(3): 65-86 Back to browse issues page
Recognition of Isfahan weather types
S.Abolfazl Masoodian *
, s.a.masoudian@geo.ui.ac.ir
Abstract:   (2516 Views)
In order to recognize Isfahan weather types، in this research 22 variables including temperature، precipitation، atmospheric humidity and wind were studied in Isfahan synoptic station from Dey،11th،1339 (January،1st،1960) to Dey،11th، 1383(December،31st2004،). A Cluster analysis on the Euclidean distance of standardized matrix of data and linking days on the basis of ward method showed that Isfahan has 9 weather types (WT) including: 1.Cold، frosty، calm WT،2.Very cold، frosty، calm، foggy WT،3.Rainy WT،4.Cold، frosty، dry WT،5.Cold، windy WT، 6.Windy WT،7.Moderate WT، 8.Warm، dry WT and 9.Hot، dry WT. Based on this research''s results، hot and dry WT is the most dominant and durable، and rainy WT is the least frequent and short-lived weather type.
Keywords: Synoptic climatology, Weather type, Cluster analysis
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Article Type: Original Research | Subject: Special
Received: 2018/07/28 | Accepted: 2018/07/28 | Published: 2018/07/28

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Volume 27, Issue 3 (2012) Back to browse issues page