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Paper Information

Journal:   MODARRES HUMAN SCIENCES   SUMMER 2003 , Volume 7 , Number 2 (TOME 29); Page(s) 163 To 182.
 
Paper: 

MODELLING THE RELATION OF PRECIPITATION WITH ELEVATION IN THE ZAGROS REGION

 
 
Author(s):  MOJARAD F., MORADIFAR H.*
 
* Kermanshah
 
Abstract: 
In order to estimate the precipitation rate in the central and northwestern Zagros, ‎linear regression, logarithmic and exponential models with two-and multi-variable ‎were used. Results show that two-variable models are not suitable for the estimation ‎of precipitation rate, because of their low and unsignificant correlation coefficients ‎and also their weakness to cover the whole region. But among multi-variable models, ‎the linear model was chosen for the estimation of precipitation rate, in the case that ‎the region is divided to windward and leeward areas. T-test did not reveal any ‎significant difference between observed and estimated values of precipitation‏. ‏
Based upon estimated values, seasonal and annual maps of precipitation and elevation ‎estimation and annual amount of precipitation were prepared. It seems that the ‎precipitation decreases with increasing of elevation in the windward area. Increasing ‎of latitude and longitude mostly decreases the precipitation in all periods‎‏.‏
 
Keyword(s): MODELLING, PRECIPITATION, ELEVATION, REGRESSION, ZAGROS
 
References: 
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