| Assessing the effects of climate variation and human activities on grassland degradation and restoration across the globe Y Liu, Z Zhang, L Tong, M Khalifa, Q Wang, C Gang, Z Wang, J Li, Z Sun Ecological Indicators 106, 105504, 2019 | 120 | 2019 |
| Spatio-temporal variations in climate, primary productivity and efficiency of water and carbon use of the land cover types in Sudan and Ethiopia M Khalifa, NA Elagib, L Ribbe, K Schneider Science of the total environment 624, 790-806, 2018 | 94 | 2018 |
| Assessing the impacts of drought on net primary productivity of global land biomes in different climate zones Y Liu, R Zhou, Z Wen, M Khalifa, C Zheng, H Ren, Z Zhang, Z Wang Ecological Indicators 130, 108146, 2021 | 60 | 2021 |
| Evaluation of land use/land cover changes due to gold mining activities from 1987 to 2017 using landsat imagery, East Cameroon MA Kamga, SC Nguemhe Fils, MO Ayodele, CO Olatubara, S Nzali, ... GeoJournal 85, 1097-1114, 2020 | 33 | 2020 |
| Performance of major mechanized rainfed agricultural production in Sudan: Sorghum vulnerability and resilience to climate since 1970 NA Elagib, M Khalifa, AE Rahma, Z Babker, SI Gamaledin Agricultural and Forest Meteorology 276, 107640, 2019 | 33 | 2019 |
| The water-energy-food security nexus: a review of nexus literature and ongoing nexus initiatives for policymakers HT Aboelnga, M Khalifa, I McNamara, L Ribbe, J Sycz Proceedings of Reports, 2018 | 33 | 2018 |
| Assessment of global sorghum production, tolerance, and climate risk M Khalifa, EAB Eltahir Frontiers in Sustainable Food Systems 7, 1184373, 2023 | 29 | 2023 |
| Assessing the dynamics of grassland net primary productivity in response to climate change at the global scale Y Liu, Y Yang, Q Wang, M Khalifa, Z Zhang, L Tong, J Li, A Shi Chinese Geographical Science 29, 725-740, 2019 | 29 | 2019 |
| Assessing the interaction of land cover/land use dynamics, climate extremes and food systems in Uganda LD Lunyolo, M Khalifa, L Ribbe Science of The Total Environment 753, 142549, 2021 | 27 | 2021 |
| Relative effects of climate variation and human activities on grassland dynamics in Africa from 2000 to 2015 L Tong, Y Liu, Q Wang, Z Zhang, J Li, Z Sun, M Khalifa Ecological Informatics 53, 100979, 2019 | 26 | 2019 |
| Demarcating the rainfed unproductive zones in the African Sahel and Great Green Wall regions NA Elagib, M Khalifa, Z Babker, AA Musa, AH Fink Land Degradation & Development 32 (3), 1400-1411, 2021 | 19 | 2021 |
| Will the Eastern Nile countries be able to sustain their crop production by 2050? An outlook from water and land perspectives S Ayyad, M Khalifa Science of The Total Environment 775, 145769, 2021 | 16 | 2021 |
| Exploring socio-hydrological determinants of crop yield in under-performing irrigation schemes: pathways for sustainable intensification M Khalifa, NA Elagib, BM Ahmed, L Ribbe, K Schneider Hydrological Sciences Journal 65 (2), 153-168, 2020 | 16 | 2020 |
| The water-energy-food security nexus HT Aboelnga, M Khalifa, I McNamara, L Ribbe, J Sycz Giz Nexus of, 2018 | 10 | 2018 |
| Drought versus flood: What matters more to the performance of Sahel farming systems? NA Elagib, IS Al Zayed, M Khalifa, AE Rahma, MMA Ali, K Schneider Hydrological Processes 37 (9), e14978, 2023 | 5 | 2023 |
| Estimates of Sudan’s historical water withdrawals from the Nile M Khalifa, NE Woods, EAB Eltahir Journal of Hydrology, 129858, 2023 | 4 | 2023 |
| Nationally determined contributions to foster water-energy-food and environmental security through transboundary cooperation in the Nile Basin B Khalifa,M., Bekchanov,M., Osman-Elasha Handbook of Energy- and Environmental Security, 2022 | 3 | 2022 |
| Climate Change Impact on “Outdoor Days” Over the United States YW Choi, M Khalifa, EAB Eltahir Geophysical Research Letters 51 (19), e2024GL111607, 2024 | 1 | 2024 |
| Response of Crop Productivity to Near-term Climate Change in East Africa M Khalifa, YW Choi, EAB Eltahir AGU Fall Meeting Abstracts 2023, GC06-04, 2023 | | 2023 |
| One Hundred Priority Questions for the Development of Sustainable Food Systems in Sub-Saharan Africa Land 12 (10), 2023 | | 2023 |
Nadir Ahmed ElagibInstitute of Geography, Faculty of Mathematics and Natural Sciences, University of Cologne, GermanyVerified email at uni-koeln.de