140 publication(s) trouvée(s)
Article scientifique
Urban flood vulnerability mapping of part of the Lagos metropolis
Abstract. Flooding is the most common of all environmental hazards with vast devastating effect due to enormous losses to lives …
Article scientifique
Climatic variability in the Sine-Saloum basin and its impacts on water resources: case of the Sob and Diohine watersheds in the region of Niakhar
Abstract. Local peoples from Niakhar in the Senegalese peanut basin highlight a dramatic increase of water access problems due to …
Article scientifique
Past and future drought in Northwestern Algeria: the Beni Bahdel Dam catchment
Abstract. In last decades, the impact of climate change started to appear in the semi-arid regions of the Mediterranean Basin. …
Article scientifique
Calibration of the hydrological model GR4J from potential evapotranspiration estimates by the Penman-Monteith and Oudin methods in the Ouémé watershed (West Africa)
Abstract. The Ouémé watersheds at Bétérou and Bonou has been recently facing increased sensitivity to extreme hydroclimatic phenomena that occurred …
Article scientifique
Detection of sinkhole occurrence, experiences from South Africa
Abstract. Sinkholes are alarming and dangerous events, they have a worldwide occurrence, and are imposing a potential risk to urban …
Article scientifique
Sinkhole collapse propagation studies through instrumented small-scale physical models
Abstract. Sinkholes are common geohazards, frequently responsible for sudden catastrophic ground collapse. Thus, effective monitoring would allow for further understanding …
Article scientifique
Evapotranspiration and evaporation/transpiration partitioning with dual source energy balance models in agricultural lands
Abstract. EvapoTranspiration (ET) is an important component of the water cycle, especially in semi-arid lands. Its quantification is crucial for …
Article scientifique
Guidelines for rainwater harvesting system design and assessment for the city of Johannesburg, South Africa
Abstract. As water demand increases rainwater harvesting (RWH) systems are increasingly being installed for water supply but comprehensive hydrologic design …
Article scientifique
The socio-economics dynamics of Dam on Rural Communities: A case study of Oyan Dam, Nigeria
Abstract. Dams construction and operations have many benefits, nevertheless, they have also led to lots of negative social, health and …
Article scientifique
Understanding the Impacts of Climate Change in the Tana River Basin, Kenya
Abstract. In the Tana River Basin in Kenya, six Regional Circulation Models (RCMs) simulating two Representative Concentration Pathways (RCPs) (i.e., …
Article scientifique
Fuzzy and process modelling of contour ridge water dynamics
Abstract. Contour ridges are an in-situ rainwater harvesting technology developed initially for soil erosion control but are currently also widely …
Éditorial
Preface: Understanding spatio-temporal variability of water resources and the implications for IWRM in semi-arid eastern and southern Africa
Article scientifique
Mapping groundwater availability and adequacy in the Lower Zambezi River basin
Abstract. Groundwater plays an important role as a source of water for various socio-economic uses and environmental requirements in the …
Article scientifique
Impacts of landcover changes on streamflows in the Middle Zambezi Catchment within Zimbabwe
Abstract. We investigate the impacts of land cover changes on the river flows of the Middle Zambezi tributary catchments in …
Article scientifique
Near real time water quality monitoring of Chivero and Manyame lakes of Zimbabwe
Abstract. Zimbabwe's water resources are under pressure from both point and non-point sources of pollution hence the need for regular …
Article scientifique
Modelling of channel transmission loss processes in semi-arid catchments of southern Africa using the Pitman Model
Abstract. Water availability is one of the major societal issues facing the world. The ability to understand and quantify the …
Article scientifique
Isotopic composition and elemental concentrations in groundwater in the Kuiseb Basin and the Cuvelai-Etosha Basin, Namibia
Abstract. We assessed environmental tracers in groundwater in two contrasting basins in Namibia; the Kuiseb Basin, which is a predominantly …
Article scientifique
Spatio-temporal variations of hydrochemical and isotopic patterns of groundwater in hand-dug wells: the Cuvelai-Etosha Basin, Namibia
Abstract. The rural population in parts of the Cuvelai-Etosha Basin (CEB) in Namibia depends on groundwater as a source for …
Article scientifique
Water management challenges at Mushandike irrigation scheme in Runde catchment, Zimbabwe
Abstract. Mushandike Irrigation Scheme, constructed in 1939, is located in Masvingo District and is one of the oldest irrigation schemes …
Article scientifique
Water use dynamics of young and mature apple trees planted in South African orchards: a case study of the Golden Delicious and Cripps' Pink cultivars
Abstract. Apple orchards have previously been bearing 60–80 t ha−1 at most. However in recent years yield has increased to …