Validating the Soil Conservation Service Triangular Unit Hydrograph (SCS-TUH) model in estimating runoff peak discharge of a catchment in Masvingo, Zimbabwe
The knowledge of runoff discharged by a catchment at its outlet is important for water accounting and water allocation to competing uses. Runoff generated by a catchment is important in determining the catchment water balance, estimating pollutant loads, and quantifying sediment yield and delivery r...
| Autores principales: | , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Academic Journals
2013
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/40201 |
| _version_ | 1855523725930135552 |
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| author | Nhamo, Luxon Christopher, M. Chilonda, Pius |
| author_browse | Chilonda, Pius Christopher, M. Nhamo, Luxon |
| author_facet | Nhamo, Luxon Christopher, M. Chilonda, Pius |
| author_sort | Nhamo, Luxon |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | The knowledge of runoff discharged by a catchment at its outlet is important for water accounting and water allocation to competing uses. Runoff generated by a catchment is important in determining the catchment water balance, estimating pollutant loads, and quantifying sediment yield and delivery ratio. The Soil Conservation Service triangular unit hydrograph (SCS-TUH) model was used in this study to simulate water discharged into Siya Dam from Rosva River Catchment in Masvingo Province, Zimbabwe. The SCS-TUH model is preferred because it takes into consideration the physical and hydrological conditions of a catchment, as well, as the volume and flow variations of the entire rainfall event. The model simulates the peak runoff rate of a catchment using daily rainfall data. An overview of the methodology and the different steps followed are given. The model results were validated by comparing the simulated values with measured values recorded from a gauging station at the catchment outlet. The plotted hydrographs of both simulated and measured values coincided very well in height as well as in shape with great precision. The results showed that the SCS-TUH model can be used for simulating runoff discharge in ungauged catchments in the region. |
| format | Journal Article |
| id | CGSpace40201 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2013 |
| publishDateRange | 2013 |
| publishDateSort | 2013 |
| publisher | Academic Journals |
| publisherStr | Academic Journals |
| record_format | dspace |
| spelling | CGSpace402012025-06-17T08:23:38Z Validating the Soil Conservation Service Triangular Unit Hydrograph (SCS-TUH) model in estimating runoff peak discharge of a catchment in Masvingo, Zimbabwe Nhamo, Luxon Christopher, M. Chilonda, Pius soil conservation models runoff catchment areas flow discharge water management water availability water allocation water balance The knowledge of runoff discharged by a catchment at its outlet is important for water accounting and water allocation to competing uses. Runoff generated by a catchment is important in determining the catchment water balance, estimating pollutant loads, and quantifying sediment yield and delivery ratio. The Soil Conservation Service triangular unit hydrograph (SCS-TUH) model was used in this study to simulate water discharged into Siya Dam from Rosva River Catchment in Masvingo Province, Zimbabwe. The SCS-TUH model is preferred because it takes into consideration the physical and hydrological conditions of a catchment, as well, as the volume and flow variations of the entire rainfall event. The model simulates the peak runoff rate of a catchment using daily rainfall data. An overview of the methodology and the different steps followed are given. The model results were validated by comparing the simulated values with measured values recorded from a gauging station at the catchment outlet. The plotted hydrographs of both simulated and measured values coincided very well in height as well as in shape with great precision. The results showed that the SCS-TUH model can be used for simulating runoff discharge in ungauged catchments in the region. 2013 2014-06-13T14:47:09Z 2014-06-13T14:47:09Z Journal Article https://hdl.handle.net/10568/40201 en Open Access Academic Journals Nhamo, Luxon; Christopher, M.; Chilonda, Pius. 2013. Validating the Soil Conservation Service Triangular Unit Hydrograph (SCS-TUH) model in estimating runoff peak discharge of a catchment in Masvingo, Zimbabwe. International Journal of Water Resources and Environmental Engineering, 5(3):157-162. doi: https://doi.org/10.5897/IJWREE12.085 |
| spellingShingle | soil conservation models runoff catchment areas flow discharge water management water availability water allocation water balance Nhamo, Luxon Christopher, M. Chilonda, Pius Validating the Soil Conservation Service Triangular Unit Hydrograph (SCS-TUH) model in estimating runoff peak discharge of a catchment in Masvingo, Zimbabwe |
| title | Validating the Soil Conservation Service Triangular Unit Hydrograph (SCS-TUH) model in estimating runoff peak discharge of a catchment in Masvingo, Zimbabwe |
| title_full | Validating the Soil Conservation Service Triangular Unit Hydrograph (SCS-TUH) model in estimating runoff peak discharge of a catchment in Masvingo, Zimbabwe |
| title_fullStr | Validating the Soil Conservation Service Triangular Unit Hydrograph (SCS-TUH) model in estimating runoff peak discharge of a catchment in Masvingo, Zimbabwe |
| title_full_unstemmed | Validating the Soil Conservation Service Triangular Unit Hydrograph (SCS-TUH) model in estimating runoff peak discharge of a catchment in Masvingo, Zimbabwe |
| title_short | Validating the Soil Conservation Service Triangular Unit Hydrograph (SCS-TUH) model in estimating runoff peak discharge of a catchment in Masvingo, Zimbabwe |
| title_sort | validating the soil conservation service triangular unit hydrograph scs tuh model in estimating runoff peak discharge of a catchment in masvingo zimbabwe |
| topic | soil conservation models runoff catchment areas flow discharge water management water availability water allocation water balance |
| url | https://hdl.handle.net/10568/40201 |
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