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| Titel |
The Volta Basin Water Allocation System: assessing the impact of small-scale reservoir development on the water resources of the Volta basin, West Africa |
| VerfasserIn |
C. Leemhuis, G. Jung, R. Kasei, J. Liebe |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1680-7340
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| Digitales Dokument |
URL |
| Erschienen |
In: Transdisciplinary concepts and modelling strategies for the assessment of complex environmental systems ; Nr. 21 (2009-08-11), S.57-62 |
| Datensatznummer |
250014529
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| Publikation (Nr.) |
 copernicus.org/adgeo-21-57-2009.pdf |
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| Zusammenfassung |
| In the Volta Basin, infrastructure watershed development with respect to the
impact of climate conditions is hotly debated due to the lack of adequate
tools to model the consequences of such development. There is an ongoing
debate on the impact of further development of small and medium scale
reservoirs on the water level of Lake Volta, which is essential for
hydropower generation at the Akosombo power plant. The GLOWA Volta Project
(GVP) has developed a Volta Basin Water Allocation System (VB-WAS), a
decision support tool that allows assessing the impact of infrastructure
development in the basin on the availability of current and future water
resources, given the current or future climate conditions. The simulated
historic and future discharge time series of the joint climate-hydrological
modeling approach (MM5/WaSiM-ETH) serve as input data for a river basin
management model (MIKE BASIN). MIKE BASIN uses a network approach, and
allows fast simulations of water allocation and of the consequences of
different development scenarios on the available water resources. The impact
of the expansion of small and medium scale reservoirs on the stored volume
of Lake Volta has been quantified and assessed in comparison with the impact
of climate variability on the water resources of the basin. |
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