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:: Volume 4, Issue 4 (3-2017) ::
2017, 4(4): 57-66 Back to browse issues page
Assessment and determination of water balance components of the Gamasiab Basin
Mahdi Artimani * , Hosein Zeinivand , Naser Tahmasebi , Ali Haghizadeh
University of Lorestan
Abstract:   (4555 Views)

Due to the importance of analyzing the hydrological behavior of basin, especially basins with no hydrometric station, applying new methods for predicting water balance is necessary. Therefore, in this research daily runoff stream of Gamasiab basin in the south of Hamadan and Kermanshah provinces was simulated based on cellular network using hydrological spatially distributed WetSpa model in GIS. Digital maps of DEM, land use and soil texture and continuous time series of temperature, precipitation, evapotranspiration and discharge are main model inputs. Model in any cellular network by using rainfall, temperature and evaporation data, simulates all water balance components. Calibration of model parameters for the last 20 years of the studied period (1991 to 2010) and validation of model for the first 5 years (1986 to 1990) was done. The results of the model application showed good agreement between observed and simulated data based on statistical criteria of Nash- Sutcliffe efficiency criterion with accuracy above 0.6 .This model based on the coefficient of performance showed that ability to simulate rainfall-runoff in major sub basins is satisfactory.


 

Keywords: Daily statistics, Flow simulation, Gamasiab, WetSpa model
Full-Text [PDF 1388 kb]   (37 Downloads)    
Type of Study: Research | Subject: Special
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Artimani M, Zeinivand H, Tahmasebi N, Haghizadeh A. Assessment and determination of water balance components of the Gamasiab Basin. Journal of Rainwater Catchment Systems 2017; 4 (4) :57-66
URL: http://jircsa.ir/article-1-236-en.html


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Volume 4, Issue 4 (3-2017) Back to browse issues page
مجله علمی سامانه های سطوح آبگیر باران Iranian Journal of Rainwater Catchment Systems
تکمیل و ارسال فرم تعارض منافع
نویسنده گرامی ، پس از ارسال مقاله ، جهت دریافت فرم، لطفا بر روی کلمه فرم تعارض منافع کلیک نمایید و پس از تکمیل، در فایل های پیوست مقاله قرار دهید.
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