Comprehensive performance evaluation of satellite-based and reanalysis rainfall estimate products in Ethiopia: For drought, flood, and water resources applications.
Study Region Ethiopia: This study assessed the accuracy of ten satellite-based and reanalysis rainfall estimation products across Ethiopia via direct comparisons with 430 in-situ datasets from 2001 to 2020. The performance of these rainfall products at various spatial and temporal scales was validat...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-02-01
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| Series: | Journal of Hydrology: Regional Studies |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214581824004993 |
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| author | Desta Yoseph Wodebo Assefa M Melesse Tekalegn Ayele Woldesenbet Kirubel Mekonnen Ahmed Amdihun Diriba Korecha Hailay Zeray Tedla Gerald Corzo Asaminew Teshome |
| author_facet | Desta Yoseph Wodebo Assefa M Melesse Tekalegn Ayele Woldesenbet Kirubel Mekonnen Ahmed Amdihun Diriba Korecha Hailay Zeray Tedla Gerald Corzo Asaminew Teshome |
| author_sort | Desta Yoseph Wodebo |
| collection | DOAJ |
| description | Study Region Ethiopia: This study assessed the accuracy of ten satellite-based and reanalysis rainfall estimation products across Ethiopia via direct comparisons with 430 in-situ datasets from 2001 to 2020. The performance of these rainfall products at various spatial and temporal scales was validated via five continuous and six categorical metrics to identify the most reliable products for the application of drought monitoring, flood risk analysis, and water resources management in 92 zonal administrative and 76 subbasins boundaries in Ethiopia. New hydrological insights for the region: This study revealed that the performance of rainfall products varies over space and time and is heavily impacted by the diverse climate and topography of Ethiopia. In general: ARCv2.0 and CHIRPSv2.0 detected rainfall of less than 1 mm and well-captured drought-year monthly products, making them suitable for drought monitoring. The IMERG-Fv6B and TAMSATv3.1 products were found to be reliable for detecting heavy rainfall and suggested for flood monitoring. Similarly, for water resources potential studies, CHIRPSv2.0 and MSWEPv2.8 were identified as reliable products at all 50 spatial scales of the analysis. This study offers multiple novel perspectives for selecting location-specific suitable rainfall products as decision-support information for water resources, flood risk management, and drought monitoring in Ethiopia. The findings also imply the importance of bias correction or blending of satellite data for a better representation of the true value. |
| format | Article |
| id | doaj-art-c4b58594ca35400da5c3e317a3cb0962 |
| institution | Kabale University |
| issn | 2214-5818 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Hydrology: Regional Studies |
| spelling | doaj-art-c4b58594ca35400da5c3e317a3cb09622025-01-22T05:42:13ZengElsevierJournal of Hydrology: Regional Studies2214-58182025-02-0157102150Comprehensive performance evaluation of satellite-based and reanalysis rainfall estimate products in Ethiopia: For drought, flood, and water resources applications.Desta Yoseph Wodebo0Assefa M Melesse1Tekalegn Ayele Woldesenbet2Kirubel Mekonnen3Ahmed Amdihun4Diriba Korecha5Hailay Zeray Tedla6Gerald Corzo7Asaminew Teshome8Ethiopian Institute of Water Resources, Addis Ababa University, Addis Ababa, Ethiopia; Corresponding author.Department of Earth and Environment, Institute of Environment, Florida International University, Miami, USAEthiopian Institute of Water Resources, Addis Ababa University, Addis Ababa, EthiopiaInternational Water Management Institute, Addis Ababa P.O. Box 5689, EthiopiaIGAD Climate Prediction and Applications Centre, Nairobi P.O. BOX 10304 -00100, KenyaUniversity of California Santa Barbara, Climate Hazards Center, Famine Early Warning Systems Network, Addis Ababa P.O. Box 17483, EthiopiaWater and Environmental Engineering, Department of Built Environment, Aalto University, Aalto, FinlandHydroinformatics Department, IHE Delft Institute for Water Education, Westvest 7, Delft 2611 AX, NetherlandsEthiopian Meteorological Institute, Addis Ababa P.O. BOX 1090, EthiopiaStudy Region Ethiopia: This study assessed the accuracy of ten satellite-based and reanalysis rainfall estimation products across Ethiopia via direct comparisons with 430 in-situ datasets from 2001 to 2020. The performance of these rainfall products at various spatial and temporal scales was validated via five continuous and six categorical metrics to identify the most reliable products for the application of drought monitoring, flood risk analysis, and water resources management in 92 zonal administrative and 76 subbasins boundaries in Ethiopia. New hydrological insights for the region: This study revealed that the performance of rainfall products varies over space and time and is heavily impacted by the diverse climate and topography of Ethiopia. In general: ARCv2.0 and CHIRPSv2.0 detected rainfall of less than 1 mm and well-captured drought-year monthly products, making them suitable for drought monitoring. The IMERG-Fv6B and TAMSATv3.1 products were found to be reliable for detecting heavy rainfall and suggested for flood monitoring. Similarly, for water resources potential studies, CHIRPSv2.0 and MSWEPv2.8 were identified as reliable products at all 50 spatial scales of the analysis. This study offers multiple novel perspectives for selecting location-specific suitable rainfall products as decision-support information for water resources, flood risk management, and drought monitoring in Ethiopia. The findings also imply the importance of bias correction or blending of satellite data for a better representation of the true value.http://www.sciencedirect.com/science/article/pii/S2214581824004993Satellite and reanalysis rainfall productsValidationApplicationsFloodDroughtWater resources |
| spellingShingle | Desta Yoseph Wodebo Assefa M Melesse Tekalegn Ayele Woldesenbet Kirubel Mekonnen Ahmed Amdihun Diriba Korecha Hailay Zeray Tedla Gerald Corzo Asaminew Teshome Comprehensive performance evaluation of satellite-based and reanalysis rainfall estimate products in Ethiopia: For drought, flood, and water resources applications. Journal of Hydrology: Regional Studies Satellite and reanalysis rainfall products Validation Applications Flood Drought Water resources |
| title | Comprehensive performance evaluation of satellite-based and reanalysis rainfall estimate products in Ethiopia: For drought, flood, and water resources applications. |
| title_full | Comprehensive performance evaluation of satellite-based and reanalysis rainfall estimate products in Ethiopia: For drought, flood, and water resources applications. |
| title_fullStr | Comprehensive performance evaluation of satellite-based and reanalysis rainfall estimate products in Ethiopia: For drought, flood, and water resources applications. |
| title_full_unstemmed | Comprehensive performance evaluation of satellite-based and reanalysis rainfall estimate products in Ethiopia: For drought, flood, and water resources applications. |
| title_short | Comprehensive performance evaluation of satellite-based and reanalysis rainfall estimate products in Ethiopia: For drought, flood, and water resources applications. |
| title_sort | comprehensive performance evaluation of satellite based and reanalysis rainfall estimate products in ethiopia for drought flood and water resources applications |
| topic | Satellite and reanalysis rainfall products Validation Applications Flood Drought Water resources |
| url | http://www.sciencedirect.com/science/article/pii/S2214581824004993 |
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