Paper Information

Journal:   GEOGRAPHY AND ENVIRONMENTAL HAZARDS   FALL 2013 , Volume 2 , Number 7; Page(s) 27 To 30.
 
Paper: 

MAPPING SOIL SALINITY IN ARID AND SEMI-ARID SOIL BY GEOSTATISTIC THEORY (ESFAHAN PROVINCE)

 
 
Author(s):  SADR SOMAYEH*, AFYUNI MAJID, MOVAHEDI RAD ZAHRA
 
* PAYAM-NOUR UNIVERSITY OF KOSHKUEYEH, KERAMN, IRAN
 
Abstract: 

Introduction: Salinity is a highly important problem in arid and semi- arid region. In Iran, about 235,000 km 2 (or 14.2% of the total area of the country) area is salt-affected, which is equivalent to about 50% of irrigated lands in Iran (Pazira 1999). Irrigating of these lands causes to transfer salts to the area of root growth and thus increases the osmotic pressure and reduces the absorption of the nutrient elements and product. Some of researchers believe that this process is one of the disasters that threats development of human societies. Esfahan province is exposed to the danger of salinity.

 
Keyword(s): ELECTRICAL CONDUCTIVITY, VARIOGRAM, KRIGING, SPATIAL VARIABILITY
 
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