Identification of Trend in Spatial and Temporal Dry and Wet Periods in Northwest of Iran Based on SPI and RAI Indices

Introduction: Droughts are natural extreme phenomena, which frequently occur around the world. This phenomenon can occur in any region, but its effects will be more severe in arid and semi-arid regions. Several studies have highlighted the increasing of droughts trend around the world. The majority...

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Bibliographic Details
Main Authors: Majid Montaseri, Babak Amirataee, Keyvan Khalili
Format: Article
Language:fas
Published: Ferdowsi University of Mashhad 2017-02-01
Series:مجله آب و خاک
Subjects:
RAI
SPI
Online Access:http://jsw.um.ac.ir/index.php/jsw/article/view/39679