Utilizing non-traditional data sources for estimating channel seepage losses |
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| Authors: | M A Alsmadi Q Abdelal |
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| Institution: | 1.Department of Civil and Environmental Engineering,The German Jordanian University,Amman,Jordan |
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| Abstract: | Accurate streamflow data, which constitute the basic component in estimating seepage losses or gains in streamflow are in short supply in developing countries. The lack of either financial or technical resources, or both, and at times, the lack of understanding of the importance of accurate streamflow measurements in supporting modeling and water resources decision making process hinder the installation and proper maintenance of streamflow gauges. Therefore, the current study adopted the aim of demonstrating the feasibility of utilizing alternative streamflow data sources in hydrologic studies. In the current study, such sources included effluent from a large wastewater treatment plant as an inflow to the river segment under consideration while the outflow from the same river segment was taken to be the flow discharged into a dam reservoir as calculated from daily dam reservoir water balance. A water balance was established for a 48 km segment on the Zarqa River in Jordan with components covering the inputs of discharge from springs, and wastewater treatment plants and outputs such as direct evaporation, and surface withdrawals for irrigation purposes. Channel seepage was estimated as the difference between inputs and outputs of the river segment water balance. Final results demonstrated the feasibility of utilizing non-traditional data sources, whenever available, to conduct analysis that traditionally has not been possible. |
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