Abstract
HEOU MALEKI BADJANA1,2,3, JORG HELMSCHROT4,5, WOLFGANG-ALBERT FLUGEL 2, KPERKOUMA WALA3, ABEL AFOUDA1 & KOFFI AKPAGANA3 1 West African Science Service Center on Climate Change and Adapted Land Use, Graduate Research Program of Climate Change and Water Resources, University of Abomey-Calavi, Cotonou, Benin maleki.badj@yahoo.fr 2 Department of Geoinformatics, Hydrology and Modelling, Friedrich-Schiller University of Jena, Germany 3 Laboratory of Botany and Plant Ecology, Faculty of Sciences, University of Lome, Togo 4 Biodiversity, Evolution and Ecology of Plants (BEE), University of Hamburg, Germany 5 Southern African Science Service Centre for Climate Change and Adaptive Land Management (SASSCAL)
Highlights
In most West African countries, the limited water resources are subject to several pressures including population growth and the associated increasing demand for water of sufficient quantity and quality for food production, changing land use and climate
The lack of representative hydro-meteorological time series and landscape information, and the complex climatic systems in West Africa call for the application of geoinformation technologies for an integrated water resources assessment
This includes remote sensing and GIS, climate and distributed hydrological models and decision support systems (Berger et al 2006, McCartney et al 2012). The integration of such tools helps to account for missing environmental data, the special landscape heterogeneity, the integrated and multi-scale river basin systems dynamics analysis, uncertainties reduction and decision making on the prediction and sustainable management of water resources
Summary
In most West African countries, the limited water resources are subject to several pressures including population growth and the associated increasing demand for water of sufficient quantity and quality for food production, changing land use and climate. Significant changes have occurred in land use and land cover (LULC) throughout the region, if compared to other environmental changes (Braimoh and Vlek 2004, Berger et al 2006, Badjana et al 2014). This calls for the integrated land and water resources management (ILWRM), an appropriate approach to strive for sustainable management of water resources and to adapt to global change impacts (Flügel 2010). This paper presents methodologies and tools that are in development and application, all supporting sustainable water management and food production in West Africa
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