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Paper Information

Journal:   GEOGRAPHY (REGIONAL PLANNING)   SPRING 2012 , Volume 2 , Number 2; Page(s) 157 To 176.
 
Paper: 

FREQUENCY SURVEY OF DROUGHTS CODITIONS OF KHOUZESTAN PROVINCE WITH SPI AND USE OF GIS

 
 
Author(s):  JAMALIZADEH NAHID*, BORNA REZA
 
* AHVAZ BRANCH, ISLAMIC AZAD UNIVERSITY, AHVAZ, IRAN
 
Abstract: 

Thus statical data is fundamental in Khouzestan province for 20 years (1989-2000). In this paper, standard rain index (SIP) in short time scales (for 3, 6 months) and long time (for 12, 24, 48 months)are selected and analyzed by considering benefits of regional analysis, producing time relation among drought event in different area of arena and applying GIS software, IDW finding-average method and statical characteristics of monthly rain. Then in 1990 and 1989 years except for dry years there are the harshest drought of the province at 48, 24, scales which is occurred more in southern and central area in terms of frequency of occurring mean and minor drought in the province level. It is more than frequency of harshness or more harshness drought. But harshness and more harshness drought has more harshness and shorter time than minor and mean drought.

 
Keyword(s): DROUGHT, KHUZESTAN PROVINCE, ARENA, GIS, SPI
 
References: 
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