Dr. Saher Ayyad
Dr.
Technische Hochschule Köln
Robertstraße 2
51105 Köln
Raum KR 3.02
Postanschrift
+49 221-8275-2316
saher.ayyad@th-koeln.de
Funktionen
- Researcher: Water and Land Resources Management | Water Use Efficiency | Sustainable Intensification | Remote Sensing
- Lecturer: Water and Agriculture | Watershed Management
Aufgabenbereiche
- Researching water and land resources management, sustainable intensification, and water-food nexus strategies and tools.
- Lecturing in the modules “Water and Agriculture”, “Watershed Management”, and "Water Resources Management" as part of the master program “Integrated Water Resources Management”
- Coordinating the Nile Research Partnership (NiReP).
- Supervising bi-annual semester projects and M.Sc. theses of ITT students
- Assisting in project/fund acquisition and proposal writing.
- Providing training on applications of remote sensing in monitoring water and land resources
- Refined satellite-based evapotranspiration datasets over the Nile Basin (project of the Nile Basin Initiative)
- Lectured (1) data for quantifying nexus components, (2) nexus interconnections, (3) food security, and (4) nexus solutions in the summer school “Data to decision: assessment of the WEF security nexus”
Sonstiges
Publications:
Peer-reviewed journal articles:
• Saleh, S., Ayyad, S., Ribbe, L. 2025. Satellite-based approach for crop type mapping and assessment of irrigation performance in the Nile Delta. Earth, 6, 80. https://doi.org/10.3390/earth6030080
• Ayyad, S., Karimi, P., Ribbe, L., Becker, M., 2024. Potential improvements in crop production in Egypt and implications for future water and land demand. International Journal of Plant Production. https://doi.org/10.1007/s42106-024-00301-7
• Ayyad, S., Karimi, P., Langensiepen, M., Ribbe, L., Rebelo, L.-M., Becker, M., 2022. Remote sensing assessment of available green water to increase crop production in seasonal floodplain wetlands of sub-Saharan Africa. Agricultural Water Management 269, 107712. https://doi.org/10.1016/j.agwat.2022.107712
• Ayyad, S., Khalifa, M., 2021. Will the Eastern Nile countries be able to sustain their crop production by 2050? An outlook from water and land perspectives. Science of The Total Environment 775, 145769. https://doi.org/10.1016/j.scitotenv.2021.145769
• McNamara, I., Baez-Villanueva, O.M., Zomorodian, A., Ayyad, S., Zambrano-Bigiarini, M., Zaroug, M., Mersha, A., Nauditt, A., Mbuliro, M., Wamala, S., Ribbe, L., 2021. How well do gridded precipitation and actual evapotranspiration products represent the key water balance components in the Nile Basin? Journal of Hydrology: Regional Studies 37, 100884. https://doi.org/10.1016/j.ejrh.2021.100884
• Ayyad, S., Al Zayed, I.S., Ha, V.T.T., Ribbe, L., 2019. The Performance of Satellite-Based Actual Evapotranspiration Products and the Assessment of Irrigation Efficiency in Egypt. Water, 11, 1913. https://doi.org/10.3390/w11091913
Selected conference contributions:
• 2025. Irrigation efficiency improvements in Egypt. Cairo Water Week. Cairo, Egypt.
• 2023. Crop production using available green water in sub-Saharan Africa. Cairo Water Week. Cairo, Egypt.
• 2022. Increasing cropping options in seasonal floodplain wetlands of sub-Saharan Africa: A remote-sensing approach for assessing available green water for cultivation. EGU General Assembly, Vienna, Austria.
• 2021. Sustainability of agricultural systems in the Eastern Nile countries: Trajectories, opportunities, and constraints. Cairo Water Week. Cairo, Egypt.
• 2021. Green water for productive cultivation of seasonal floodplain wetlands in sub-Saharan Africa. Delft International Conference on Sociohydrology. Delft, The Netherlands.
• 2021. The water and land demands of croplands in the Eastern Nile Basin. Nile Basin Development Forum. Online event.
• 2019. Vertical or horizontal growth? Food production in the Eastern Nile Basin. Water Security & Climate Change Conference. San Luis Potosí, Mexico.