Articles | Volume 27, issue 21
https://doi.org/10.5194/hess-27-4057-2023
© 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-27-4057-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
13 Nov 2023
Research article |
| 13 Nov 2023
| 13 Nov 2023
Inferring reservoir filling strategies under limited-data-availability conditions using hydrological modeling and Earth observations: the case of the Grand Ethiopian Renaissance Dam (GERD)
Awad M. Ali
CORRESPONDING AUTHOR
Hydrology and Quantitative Water Management Group, Department of Environmental Sciences, Wageningen University & Research, P.O. Box 47, 6700 AA Wageningen, the Netherlands
Water Research Center, Faculty of Engineering, University of Khartoum, P.O. Box 321, Khartoum, Republic of the Sudan
Lieke A. Melsen
Hydrology and Quantitative Water Management Group, Department of Environmental Sciences, Wageningen University & Research, P.O. Box 47, 6700 AA Wageningen, the Netherlands
Hydrology and Quantitative Water Management Group, Department of Environmental Sciences, Wageningen University & Research, P.O. Box 47, 6700 AA Wageningen, the Netherlands
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Cited
20 citations as recorded by crossref.
- Incorporating multi-timescale data into a single long short-term memory network to enhance reservoir-regulated streamflow simulation L. Lang et al.
- Detecting land use and land cover changes and quantifying soil erosion and sediment export using GIS and remote sensing in the GERD catchment, Ethiopia S. Wassie et al.
- Towards cooperation on transboundary rivers: achieving a win–win balance between upstream hydropower generation and downstream water demand under climate change T. Abraham et al.
- Watching the Grand Ethiopian Renaissance Dam from a distance: Implications for sustainable water management of the Nile water K. Abdelmohsen et al.
- Hydrological insights: Comparative analysis of gridded potential evapotranspiration products for hydrological simulations and drought assessment M. Abdallah et al.
- Recent Developments in the Grand Ethiopian RenaissanceDam (GERD) and Its Effects on Ethiopia-Egypt Relations T. Tessema
- Enhancing Transboundary Water Governance Using African Earth Observation Data Cubes in the Nile River Basin: Insights from the Grand Ethiopian Renaissance Dam and Roseries Dam B. Arebu et al.
- Towards global mapping of dynamic surface water extents using Sentinel-1 SAR data J. Jung et al.
- Assessing the Flood and Drought Regulation Capacity of Dams in a Changing Climate: An Application to the Largest Hydropower Dam in Africa T. Abraham et al.
- Spatiotemporal analysis of land use and land cover using random forest in Google Earth engine: A case study of the Grand Ethiopian Renaissance Dam basin and reservoir, Upper Blue Nile, Ethiopia Y. Bihon et al.
- Beyond streamflow: Plausible hydrological modelling for the Upper Blue Nile Basin, Ethiopia A. Mohamed et al.
- Three-stage hybrid modeling for real-time streamflow prediction in data-scarce regions A. Ali et al.
- The world's largest saddle dam at risk: Multisensor geohazard analysis and downstream impacts H. El-Askary et al.
- Monitoring the Impact of Urban Development in Magok on Surface Urban Heat Island Intensity S. Kim et al.
- Investigating the role of ENSO in groundwater temporal variability across Abu Dhabi Emirate, United Arab Emirates using machine learning algorithms K. Alghafli et al.
- Refining hydropower operation by dynamic control of cascade reservoir water levels with flood season segmentation S. He et al.
- Enhancing Hydrological Model Calibration for Flood Prediction in Dam-Regulated Basins with Satellite-Derived Reservoir Dynamics C. Li et al.
- Climate change in Ethiopia L. Adjaoud
- Climate change impact on effective water use for hydropower generation of the Grand Ethiopian Renaissance Dam T. Abraham & Y. Liu
- Enhancing the prediction of suspended sediment load in the Blue Nile River using machine learning under data-limited conditions I. Osman et al.
20 citations as recorded by crossref.
- Incorporating multi-timescale data into a single long short-term memory network to enhance reservoir-regulated streamflow simulation L. Lang et al.
- Detecting land use and land cover changes and quantifying soil erosion and sediment export using GIS and remote sensing in the GERD catchment, Ethiopia S. Wassie et al.
- Towards cooperation on transboundary rivers: achieving a win–win balance between upstream hydropower generation and downstream water demand under climate change T. Abraham et al.
- Watching the Grand Ethiopian Renaissance Dam from a distance: Implications for sustainable water management of the Nile water K. Abdelmohsen et al.
- Hydrological insights: Comparative analysis of gridded potential evapotranspiration products for hydrological simulations and drought assessment M. Abdallah et al.
- Recent Developments in the Grand Ethiopian RenaissanceDam (GERD) and Its Effects on Ethiopia-Egypt Relations T. Tessema
- Enhancing Transboundary Water Governance Using African Earth Observation Data Cubes in the Nile River Basin: Insights from the Grand Ethiopian Renaissance Dam and Roseries Dam B. Arebu et al.
- Towards global mapping of dynamic surface water extents using Sentinel-1 SAR data J. Jung et al.
- Assessing the Flood and Drought Regulation Capacity of Dams in a Changing Climate: An Application to the Largest Hydropower Dam in Africa T. Abraham et al.
- Spatiotemporal analysis of land use and land cover using random forest in Google Earth engine: A case study of the Grand Ethiopian Renaissance Dam basin and reservoir, Upper Blue Nile, Ethiopia Y. Bihon et al.
- Beyond streamflow: Plausible hydrological modelling for the Upper Blue Nile Basin, Ethiopia A. Mohamed et al.
- Three-stage hybrid modeling for real-time streamflow prediction in data-scarce regions A. Ali et al.
- The world's largest saddle dam at risk: Multisensor geohazard analysis and downstream impacts H. El-Askary et al.
- Monitoring the Impact of Urban Development in Magok on Surface Urban Heat Island Intensity S. Kim et al.
- Investigating the role of ENSO in groundwater temporal variability across Abu Dhabi Emirate, United Arab Emirates using machine learning algorithms K. Alghafli et al.
- Refining hydropower operation by dynamic control of cascade reservoir water levels with flood season segmentation S. He et al.
- Enhancing Hydrological Model Calibration for Flood Prediction in Dam-Regulated Basins with Satellite-Derived Reservoir Dynamics C. Li et al.
- Climate change in Ethiopia L. Adjaoud
- Climate change impact on effective water use for hydropower generation of the Grand Ethiopian Renaissance Dam T. Abraham & Y. Liu
- Enhancing the prediction of suspended sediment load in the Blue Nile River using machine learning under data-limited conditions I. Osman et al.
Saved (final revised paper)
Latest update: 28 Apr 2026
Short summary
Using a new approach based on a combination of modeling and Earth observation, useful information about the filling of the Grand Ethiopian Renaissance Dam can be obtained with limited data and proper rainfall selection. While the monthly streamflow into Sudan has decreased significantly (1.2 × 109–5 × 109 m3) with respect to the non-dam scenario, the negative impact has been masked due to higher-than-average rainfall. We reveal that the dam will need 3–5 more years to complete filling.
Using a new approach based on a combination of modeling and Earth observation, useful...
