Articles | Volume 27, issue 11
https://doi.org/10.5194/hess-27-2189-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-27-2189-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
14 Jun 2023
Research article |
| 14 Jun 2023
| 14 Jun 2023
Hydrological regime of Sahelian small waterbodies from combined Sentinel-2 MSI and Sentinel-3 Synthetic Aperture Radar Altimeter data
Mathilde de Fleury
CORRESPONDING AUTHOR
Géosciences Environnement Toulouse (GET), UMR 5563, Université Toulouse 3, CNRS, IRD, 14 Av. Edouard Belin, OMP, 31400 Toulouse CEDEX 9, France
Laurent Kergoat
Géosciences Environnement Toulouse (GET), UMR 5563, Université Toulouse 3, CNRS, IRD, 14 Av. Edouard Belin, OMP, 31400 Toulouse CEDEX 9, France
Géosciences Environnement Toulouse (GET), UMR 5563, Université Toulouse 3, CNRS, IRD, 14 Av. Edouard Belin, OMP, 31400 Toulouse CEDEX 9, France
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Cited
16 citations as recorded by crossref.
- Air quality, metal(loid) sources identification and environmental assessment using (bio)monitoring in the former mining district of Salsigne (Orbiel valley, France) A. Calas et al. https://doi.org/10.1016/j.chemosphere.2024.141974
- Effects of climate change on the dynamics of small Sahelian water bodies over the period 1972-2020: a case study in the Logone-Cameroon floodplain (Lake Chad basin) S. Piih et al. https://doi.org/10.1016/j.sciaf.2026.e03270
- Serendipity in Settings and Hydrologic Processes Helped People Survive Extreme Environments of the Sahara Desert F. Schwartz & G. Liu https://doi.org/10.3390/hydrology13080207
- Application of Multispectral Imagery and Synthetic Aperture Radar Sensors for Monitoring Algal Blooms: A Review V. Mishra et al. https://doi.org/10.3390/phycology5040071
- Highly turbid and eutrophic small water bodies in West Africa well identified by a CNN U-Net algorithm M. de Fleury et al. https://doi.org/10.1016/j.rsase.2024.101412
- Monitoring Indian ungauged small reservoirs volume from remote sensing: Feasibility, bias and perspectives C. Pascal et al. https://doi.org/10.1371/journal.pwat.0000260
- Hydro-meteorological drivers of spatiotemporal variability in lake water storage across China: Evidence from ICESat-2 H. Xu et al. https://doi.org/10.1016/j.jhydrol.2026.135449
- Dynamic interaction between lakes, climate, and vegetation across northern Africa during the mid-Holocene N. Specht et al. https://doi.org/10.5194/cp-20-1595-2024
- Monitoring water surface elevation dynamics in the Brazilian Pantanal wetland using radar altimetry U. Ribeiro et al. https://doi.org/10.1016/j.rsase.2025.101805
- Fish Farming Effects on Infiltration Dynamics in Runoff Water Harvesting Ponds: An Experimental Study in Semi-Arid Burkina Faso M. Kanazoe et al. https://doi.org/10.2174/0118741495426250251112184540
- Evaluation using in-situ observations from national governments and Citizen Scientists suggests nadir altimeters can accurately measure water level changes regardless of lake area A. Gómez et al. https://doi.org/10.1080/15481603.2025.2543521
- Assessment of the hydrodynamic and salinity behaviour of Gatun lake, Panama M. Hasan et al. https://doi.org/10.1080/23249676.2026.2727467
- Monitoring inland water via Sentinel satellite constellation: A review and perspective F. Zeng et al. https://doi.org/10.1016/j.isprsjprs.2023.09.011
- Assessing SWOT interferometric SAR altimetry for inland water monitoring: insights from Lake Léman H. Bazzi et al. https://doi.org/10.3389/frsen.2025.1572114
- Groundwater-lake interactions in a dune field system and their implications in the hydrochemical variability: Assessing the role of vegetation in groundwater recharge C. Echegoyen et al. https://doi.org/10.1016/j.jsames.2026.106169
- Monitoring small water bodies using SWOT PIXC water level data; insight from On-farm reservoirs A. Karami et al. https://doi.org/10.1016/j.rsase.2026.102209
16 citations as recorded by crossref.
- Air quality, metal(loid) sources identification and environmental assessment using (bio)monitoring in the former mining district of Salsigne (Orbiel valley, France) A. Calas et al. https://doi.org/10.1016/j.chemosphere.2024.141974
- Effects of climate change on the dynamics of small Sahelian water bodies over the period 1972-2020: a case study in the Logone-Cameroon floodplain (Lake Chad basin) S. Piih et al. https://doi.org/10.1016/j.sciaf.2026.e03270
- Serendipity in Settings and Hydrologic Processes Helped People Survive Extreme Environments of the Sahara Desert F. Schwartz & G. Liu https://doi.org/10.3390/hydrology13080207
- Application of Multispectral Imagery and Synthetic Aperture Radar Sensors for Monitoring Algal Blooms: A Review V. Mishra et al. https://doi.org/10.3390/phycology5040071
- Highly turbid and eutrophic small water bodies in West Africa well identified by a CNN U-Net algorithm M. de Fleury et al. https://doi.org/10.1016/j.rsase.2024.101412
- Monitoring Indian ungauged small reservoirs volume from remote sensing: Feasibility, bias and perspectives C. Pascal et al. https://doi.org/10.1371/journal.pwat.0000260
- Hydro-meteorological drivers of spatiotemporal variability in lake water storage across China: Evidence from ICESat-2 H. Xu et al. https://doi.org/10.1016/j.jhydrol.2026.135449
- Dynamic interaction between lakes, climate, and vegetation across northern Africa during the mid-Holocene N. Specht et al. https://doi.org/10.5194/cp-20-1595-2024
- Monitoring water surface elevation dynamics in the Brazilian Pantanal wetland using radar altimetry U. Ribeiro et al. https://doi.org/10.1016/j.rsase.2025.101805
- Fish Farming Effects on Infiltration Dynamics in Runoff Water Harvesting Ponds: An Experimental Study in Semi-Arid Burkina Faso M. Kanazoe et al. https://doi.org/10.2174/0118741495426250251112184540
- Evaluation using in-situ observations from national governments and Citizen Scientists suggests nadir altimeters can accurately measure water level changes regardless of lake area A. Gómez et al. https://doi.org/10.1080/15481603.2025.2543521
- Assessment of the hydrodynamic and salinity behaviour of Gatun lake, Panama M. Hasan et al. https://doi.org/10.1080/23249676.2026.2727467
- Monitoring inland water via Sentinel satellite constellation: A review and perspective F. Zeng et al. https://doi.org/10.1016/j.isprsjprs.2023.09.011
- Assessing SWOT interferometric SAR altimetry for inland water monitoring: insights from Lake Léman H. Bazzi et al. https://doi.org/10.3389/frsen.2025.1572114
- Groundwater-lake interactions in a dune field system and their implications in the hydrochemical variability: Assessing the role of vegetation in groundwater recharge C. Echegoyen et al. https://doi.org/10.1016/j.jsames.2026.106169
- Monitoring small water bodies using SWOT PIXC water level data; insight from On-farm reservoirs A. Karami et al. https://doi.org/10.1016/j.rsase.2026.102209
Saved (final revised paper)
Latest update: 08 Oct 2026
Short summary
This study surveys small lakes and reservoirs, which are vital resources in the Sahel, through a multi-sensor satellite approach. Water height changes compared to evaporation losses in dry seasons highlight anthropogenic withdrawals and water supplies due to river and groundwater connections. Some reservoirs display weak withdrawals, suggesting low usage may be due to security issues. The
satellite-derived water balance thus proved effective in estimating water resources in semi-arid areas.
This study surveys small lakes and reservoirs, which are vital resources in the Sahel, through a...
