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View article: Evaluation of SENTINEL-2 products-based algorithms in estimating water pollutants of the River Niger in Bamako
Evaluation of SENTINEL-2 products-based algorithms in estimating water pollutants of the River Niger in Bamako Open
Monitoring surface water quality on a spatio-temporal scale is very important to restrict the entry of polluting components into water bodies, particularly rivers. Traditional techniques of assessing water quality are typically costly and …
View article: PV-Wind Hybrid System Optimization Using Improved Fuzzy Logic Control
PV-Wind Hybrid System Optimization Using Improved Fuzzy Logic Control Open
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\nRenewable energy production sources became very attractive in recent years due to environmental problems and their enormous potential. Many studies have been done on these systems alone and combined operation. Among these combined sys…
View article: A drought-triggered hydrological tipping point in the central Sahel: an attribution study using system dynamics modelling
A drought-triggered hydrological tipping point in the central Sahel: an attribution study using system dynamics modelling Open
West Africa experienced severe drought between the 1970s and 1990s. A shift in the hydrological regime was observed in most of the catchments of the central Sahel (the semi-arid fringe south of the Sahara): from the drought onward, runoff …
View article: Sustainability assessment of energy supply scenarios: case study of Mali
Sustainability assessment of energy supply scenarios: case study of Mali Open
Mali is endowed with significant untapped renewable energy potentials paradoxically the country is identified as an energy-poor nation characterized by very high dependency on imports of petroleum products and heavy reliance on biomass (wo…
View article: Performance Evaluation of an Installed On-Grid Photovoltaic System at Bamako
Performance Evaluation of an Installed On-Grid Photovoltaic System at Bamako Open
The primary goal of this paper is to analyze the performance of an installed on-grid photovoltaic 100 kW system installed on the roof of a building at the Institute of Applied Sciences, University of Sciences, Techniques and Technologies o…
View article: Landscape pattern analysis using GIS and remote sensing to diagnose soil erosion and nutrient availability in two agroecological zones of Southern Mali
Landscape pattern analysis using GIS and remote sensing to diagnose soil erosion and nutrient availability in two agroecological zones of Southern Mali Open
Background Soil is a basic natural resource for the existence of life on earth, and its health is a major concern for rural livelihoods. Poor soil health is directly associated with reduced agricultural land productivity in many sub-Sahara…
View article: Tipping points in hydrology: attribution of regime shifts using historical climate simulations and dynamical system modeling
Tipping points in hydrology: attribution of regime shifts using historical climate simulations and dynamical system modeling Open
The Sahel (the semi-arid fringe south of the Sahara) experienced a severe drought in the 70s-90s. During this drought, an hydrological regime shift was observed for most watersheds in the Central Sahel: runoff has significantly increased d…
View article: Tipping points in continental hydrology : developing a system dynamics approach to represent the interfaces in the critical zone and built a decade-scale hydrologic model.
Tipping points in continental hydrology : developing a system dynamics approach to represent the interfaces in the critical zone and built a decade-scale hydrologic model. Open
<p><span>W</span><span>e develop a holistic approach of watershed hydrology, focusing on the interfaces between critical zone components and relying on interdisciplinarity. We mainly explore the first Unsolved Probl…
View article: Tipping points in hydrology: observed regional regime shift and System Dynamics modeling
Tipping points in hydrology: observed regional regime shift and System Dynamics modeling Open
<div> <p>River runoff and climate data existing from 1950 to present time in West Africa are analyzed over a climatic gradient from the Sahel (semi-arid) to the Gulf of Guinea (humid). The region experienced a severe drought in…
View article: Rural Electrification Pathways: An Implementation of LEAP and GIS Tools in Mali
Rural Electrification Pathways: An Implementation of LEAP and GIS Tools in Mali Open
Remote rural populations do not often have the luxury of viable multisource electricity generation systems. Considering fossil fuels for remote populated areas is not often a viable option due to the fuel transportation costs and the popul…
View article: Spatiotemporal Response of Vegetation to Rainfall and Air Temperature Fluctuations in the Sahel: Case Study in the Forest Reserve of Fina, Mali
Spatiotemporal Response of Vegetation to Rainfall and Air Temperature Fluctuations in the Sahel: Case Study in the Forest Reserve of Fina, Mali Open
Forests constitute a key component of the Earth system but the sustainability of the forest reserves in the semi-arid zone is a real concern since its vegetation is very sensitive to the climate fluctuation. The understanding of the mechan…
View article: Spatiotemporal Response of Vegetation to Rainfall and Temperature fluctuations in the Sahel. Case study in the Forest Reserve of Fina, Mali
Spatiotemporal Response of Vegetation to Rainfall and Temperature fluctuations in the Sahel. Case study in the Forest Reserve of Fina, Mali Open
Forests constitute a key component of the Earth system but the sustainability of the forest reserves in the semi-arid zone is a real concern since its vegetation is very sensitive to the climate fluctuation. The understanding of the mechan…
View article: A leaf area index data set acquired in Sahelian rangelands of Gourma in Mali over the 2005–2017 period
A leaf area index data set acquired in Sahelian rangelands of Gourma in Mali over the 2005–2017 period Open
The leaf area index of Sahelian rangelands and related variables such as the vegetation cover fraction, the fraction of absorbed photosynthetically active radiation and the clumping index were measured between 2005 and 2017 in the Gourma r…
View article: Natural Radioactivity Measurement and Dose Assessment in Soil Samples from Some Selected Areas of Mali
Natural Radioactivity Measurement and Dose Assessment in Soil Samples from Some Selected Areas of Mali Open
This is the first time that a study applies the gamma ray spectroscopy using a high purity germanium to evaluate the terrestrial gamma radiation level by detector in selected regions of Mali. The results reveal that the activity concentrat…
View article: A leaf area index, LAI, data set acquired in Sahelian rangelands (Gourma, Mali) over the 2005–2017 period
A leaf area index, LAI, data set acquired in Sahelian rangelands (Gourma, Mali) over the 2005–2017 period Open
The leaf area index, LAI, of Sahelian rangelands and related variables such as the vegetation cover fraction, fCover, the fraction of absorbed photosynthetically active radiation, fAPAR, and the clumping index, λo, were measured in the Gou…
View article: Supplementary material to "A leaf area index, LAI, data set acquired in Sahelian rangelands (Gourma, Mali) over the 2005–2017 period"
Supplementary material to "A leaf area index, LAI, data set acquired in Sahelian rangelands (Gourma, Mali) over the 2005–2017 period" Open
Table S1.General characteristics of the monitored sites.
View article: Evolution of the Performances of Radar Altimetry Missions from ERS-2 to Sentinel-3A over the Inner Niger Delta
Evolution of the Performances of Radar Altimetry Missions from ERS-2 to Sentinel-3A over the Inner Niger Delta Open
Radar altimetry provides unique information on water stages of inland hydro-systems. In this study, the performance of seven altimetry missions, among the most commonly used in land hydrology (i.e., European Remote-Sensing Satellite-2 (ERS…
View article: Capability of Visible-Near Infrared Spectroscopy in Estimating Soils Carbon, Potassium and Phosphorus
Capability of Visible-Near Infrared Spectroscopy in Estimating Soils Carbon, Potassium and Phosphorus Open
The spectroscopy technique has many advantages over conventional analytical methods since it is fast and easy to implement and with no use of chemical extractants. The objective of this study is to quantify soil total Carbon (C), available…
View article: Farmers’ Perception and Adaption to Land Use Change and Climate Variability in Fina Reserve, Mali.
Farmers’ Perception and Adaption to Land Use Change and Climate Variability in Fina Reserve, Mali. Open
Like the whole sub-Sahara Africa, rainfall in Fina reserve is subject of strong inter-annual variability. This paper assesses farmers’ perception on land use utilised in the Fina biosphere reserve and their adaptation measures to climate v…