Seyed Pedram Nainiva; Kaka Shahedi; Salahudin Zahedi; Hersh Entezami
Abstract
Snow cover has a significant role in management and supply of water resources in mountainous basins. In this order, this study aimed at estimating of contribution the snowmelt runoff in Chehelgazi Sub-basin at Kurdistan Province in supplying water requirements of its farmlands during 2012 and 2014. To ...
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Snow cover has a significant role in management and supply of water resources in mountainous basins. In this order, this study aimed at estimating of contribution the snowmelt runoff in Chehelgazi Sub-basin at Kurdistan Province in supplying water requirements of its farmlands during 2012 and 2014. To do so, SRM model and MODIS satellite images were applied to estimate runoff from the snowmelt and CROPWAT model was implemented to determine water requirements of farmlands. Through the findings, it was found that SRM model with coefficient of determination (R2) of 0.97 and volume difference percentage of 0.14 for the calibration year (2012-2013) and coefficient of determination of 0.96 and volume difference percentage of 0.66 for validation year (2013-2014) was able to estimate snowmelt runoff. Moreover, the result from CROPWAT model showed that water requirement for farmlands in Chehelgazi Sub-basin was 1939371 m3yr-1. Ultimately, it was shown through the model that runoff from the snowmelt has 100 % potential in supplying water requirements in the basin. The result from this study can be used to provide a model for water planning in Chehelgazi Sub-basin.
