Modeling and forecasting of rainfall and determining withdrawal water on agricultural sector in Kabodarahang, Hamadan

Document Type : Research Paper

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Abstract

This study forecasts rainfall volume with the use of time series approach in Kabodar Ahang district which located in north part of Hamadan province. Seasonal model results revealed that precipitation data in mentioned district has non-periodic characteristic. Also, HEGY test results show no root in monthly and seasonal data. So, ARMA (4.4), can forecasts and exhibits mentioned region’s rainfall pattern mannerly. By determining rainfall volume and applying underground water balance of Kabodar Ahang, accessible water of agriculture sector is estimated for 2008 through 2010 equal to 257.77, 267.56 and 254.87.

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