Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Simulation of runoff for the Black Volta Basin using satellite observation data
Daily tropical rainfall measuring mission (TRMM)-based rainfall and Landsat-derived land-cover maps were used to retrospectively simulate runoff for the Black Volta Basin. This was to ascertain the usefulness of the increasingly available satellite observation data to augment ground-measured hydrometeorological data for unguaged basins or basins with inadequate data. Both visual and statistical comparison of TRMM-based rainfall with the gauged rainfall indicates that the monthly rainfall data are statistically comparable. Seasonal upward adjustment of the monthly TRMM-based rainfall improved the rainfall correlation giving a Nash–Sutcliffe model efficiency of the simulated runoff of 89.5%. Thus, monthly TRMM-based rainfall estimate can be used to augment existing ground-measured rainfall data and together with Landsat-derived land-cover maps be used to estimate runoff for unguaged basins in the West African sub-region. The study is useful for Sub-Saharan Africa, where sustainable water management is sometimes hampered due to the absence of reliable and consistent data.
Simulation of runoff for the Black Volta Basin using satellite observation data
Daily tropical rainfall measuring mission (TRMM)-based rainfall and Landsat-derived land-cover maps were used to retrospectively simulate runoff for the Black Volta Basin. This was to ascertain the usefulness of the increasingly available satellite observation data to augment ground-measured hydrometeorological data for unguaged basins or basins with inadequate data. Both visual and statistical comparison of TRMM-based rainfall with the gauged rainfall indicates that the monthly rainfall data are statistically comparable. Seasonal upward adjustment of the monthly TRMM-based rainfall improved the rainfall correlation giving a Nash–Sutcliffe model efficiency of the simulated runoff of 89.5%. Thus, monthly TRMM-based rainfall estimate can be used to augment existing ground-measured rainfall data and together with Landsat-derived land-cover maps be used to estimate runoff for unguaged basins in the West African sub-region. The study is useful for Sub-Saharan Africa, where sustainable water management is sometimes hampered due to the absence of reliable and consistent data.
Simulation of runoff for the Black Volta Basin using satellite observation data
Shaibu, Salamatu (Autor:in) / Odai, Samuel Nii (Autor:in) / Adjei, Kwaku Amaning (Autor:in) / Osei, Edward MatthewJnr (Autor:in) / Annor, Frank Ohene (Autor:in)
International Journal of River Basin Management ; 10 ; 245-254
01.09.2012
10 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Simulation of runoff for the Black Volta Basin using satellite observation data
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