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Modeling of discharge and sediment transport through the SWAT model in the basin of Harraza (Northwest of Algeria)

机译：通过哈拉萨盆地（阿尔及利亚西北部）的SWAT模型对排泄物和泥沙迁移进行建模

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The objective of this study is to model discharge and solid erosion quantification through a small agricultural watershed by applying the SWAT model (Soil and Water Assessment Tools) on the Wadi Harraza’s basin of which is part of Wadi Cheliff’s basin, with an average altitude of 500m, drains an area of 568sqkm. Soil and Water Assessment Tool (SWAT, version 2009) model integrated with Geographic Information System (ArcGIS, version 10.0) were used to simulate the discharge and sediment concentration of Wadi Harraza’s basin for the period from 2004 to 2009. Model calibration and validation were performed for monthly time periods using Sequential Uncertainty Fitting 2 (SUFI-2, version 2) within SWAT-CUP. Our calibration and validation outputs for monthly simulation showed a good model performance for discharges. Thus the evolution of the average total annual sediment in the Wadi Harraza’s basin which will be deposited in the Wadi Cheliff, is estimated at 54.24tha?1.
机译：这项研究的目的是通过在Wadi Harraza盆地（Wadi Cheliff盆地的一部分）上应用SWAT模型（土壤和水评估工具），通过一个小型农业流域对排放和固体侵蚀量化进行建模，该高原平均海拔500m ，排水面积568sqkm。使用集成了地理信息系统（ArcGIS，版本10.0）的土壤和水评估工具（SWAT，版本2009）模型来模拟Wadi Harraza盆地2004年至2009年的排放量和沉积物浓度。进行了模型校准和验证。使用SWAT-CUP中的顺序不确定性拟合2（SUFI-2，版本2）在每月的时间范围内。我们每月模拟的校准和验证输出显示了良好的放电模型性能。因此，瓦迪哈拉莎盆地年平均总沉积物的演变量估计为54.24tha？1。

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