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- Publications
- Influence
Analysis of a Sahelian annual rainfall index from 1896 to 2000; the drought continues
- Yann L'hote, G. Mahé, B. Some, J. P. Triboulet
- Geology
- 1 August 2002
Abstract Since 1970 the West African Sahel has experienced a significant drought which, according to some authors, corresponds to a discontinuity (abrupt change) in the rainfall series. An annual… Expand
Spatiotemporal variations in hydrological regimes within Central Africa during the XXth century
- A. Laraque, G. Mahé, D. Orange, B. Marieu
- Geology
- 1 May 2001
Abstract Using several statistical tests, we divided into homogeneous segments the XXth century long discharges data series and the rainfall data series of the Congo River and of several of its right… Expand
Rainfall and Water Resources Variability in Sub-Saharan Africa during the Twentieth Century
- D. Conway, Aurelie S. A. Persechino, Sandra Ardoin-Bardin, H. Hamandawana, C. Dieulin, G. Mahé
- Environmental Science
- 1 February 2009
Abstract River basin rainfall series and extensive river flow records are used to characterize and improve understanding of spatial and temporal variability in sub-Saharan African water resources… Expand
The impact of land use change on soil water holding capacity and river flow modelling in the Nakambe River, Burkina-Faso
- G. Mahé, J. Paturel, E. Servat, D. Conway, A. Dezetter
- Environmental Science
- 10 January 2005
Abstract The annual hydrological regime of the Nakambe River shows substantial changes during the period 1955–1998 with a shift occurring around 1970. From 1970 to the mid-1990s, despite a reduction… Expand
Spatio-temporal variability of hydrological regimes around the boundaries between Sahelian and Sudanian areas of West Africa: A synthesis
- L. Descroix, G. Mahé, +12 authors D. Sighomnou
- Environmental Science
- 30 August 2009
Abundant information is available on West African drought and its hydrological and environmental impacts. Land-use and climatic changes have greatly modified the conditions of Sudanian and Sahelian… Expand
The Epidemiology and Geographic Distribution of Relapsing Fever Borreliosis in West and North Africa, with a Review of the Ornithodoros erraticus Complex (Acari: Ixodida)
Background Relapsing fever is the most frequent bacterial disease in Africa. Four main vector / pathogen complexes are classically recognized, with the louse Pediculus humanus acting as vector for B.… Expand
Water, agriculture and poverty in the Niger River basin
- A. Ogilvie, G. Mahé, +12 authors Jean Charles Clanet
- 4 November 2010
Livelihoods in the Niger River basin rely mainly on rainfed agriculture, except in the dry extreme north. Low yields and water productivity result from low inputs, short growing seasons, dry spells,… Expand
Hydrologie, agro-écologie et superficies d’inondation dans le delta intérieur du Niger
- D. Orange, G. Mahé, L. Dembelé, C. H. Diakité, M. Kuper, Jean-Claude Olivry
- Geography
- 2002
Dans cette etude, nous reprenons un modele d'extension maximale annuelle d'inondation du delta interieur construit a partir d'un decoupage agro-ecologique que nous testons a partir de donnees… Expand
The nature and impact of climate change in the Challenge Program on Water and Food (CPWF) basins
- M. Mulligan, M. Fisher, +8 authors M. Ahmad
- 20 January 2011
In this article the authors assess the potential impacts of projected climate change on water, livelihoods and food security in the Basin Focal Projet basins. The authors consider expected change… Expand
Trends and discontinuities in regional rainfall of West and Central Africa: 1951–1989
- G. Mahé, Yann L'hote, J. C. Olivry, G. Wotling
- Geology
- 1 April 2001
Abstract Standardized regional mean annual rainfall series are analysed over the period 1951–1989 from a data set of 891 rainfall stations which covers 23 countries of West and Central Africa.… Expand