Yasir Mohamed

Visiting Associate Professor


Yasir A. Mohamed is a civil engineer by training and specialised in hydrology and water resources. He is presently professor of water resources management and Director General of the Hydraulics Research Centre, HRC-Sudan, and as a joint appointee, he is Associate Professor of water resources management at IHE Delft, The Netherlands. Yasir has wide experience in hydrological and hydraulics modelling, water resources systems, irrigation systems, remote sensing applications, and regional climate modelling. He started his career at the HRC-Sudan, in 1985, where he did research on irrigation systems, hydrology and hydraulics engineering. He obtained his diploma on Land and Water Development, and subsequently MSc on “operation of reservoir systems” in 1990 from IHE Delft, and later in 2005 his PhD – on “hydroclimatology of the Nile”, from the same institute. He worked for Deltares (WL|Delft Hydraulics)  on the development of the flood early warning system for the Nile River in Sudan (1991 to 92), and for the Indus System in Pakistan (1995 to 98). He worked between 1999 and 2002, on 2D and 3D modelling in Abu Dhabi, UAE. Between 2006 and 2009, Yasir joined the International Water Management Institute (IWMI), as a senior researcher at the Addis Ababa Office, where he led different research projects on hydrology and water resources, with emphasis on the Nile Basin. Since 2009, he returned back to HRC, where he became the DG in 2012, and leading the research work at the centre. As a joint appointee at IHE Delft since 2006, Yasir has been teaching and contributing to curriculum development in Delft, and in many other (developing) countries, in particular the Nile  basin countries and in Asia. He has supervised many MSc and several PhD students. Yasir has published widely in international journals and conferences. He is a guest editor of the Journal of Physics and Chemistry of the Earth, and Journal of Spatial Hydrology.




  • Yasir S. A. Ali, Paolo Paron, Alessandra Crosato, Yasir A. Mohamed,  2017.  Transboundary sediment transfer from source to sink using a mineralogical analysis. Case study: Roseires Reservoir, Blue Nile, Sudan.  https://doi.org/10.1080/15715124.2017.1411919 
  • K. Hassaballah, Y. A. Mohamed, S. Uhlenbrook, 2017. Analysis of streamflow response to land use and land cover changes using satellite data and hydrological modelling: case study of Dinder and Rahad tributaries of the Blue Nile (Ethiopia–Sudan). Hydrol. Earth Syst. Sci., 21, 5217–5242, 2017. https://doi.org/10.5194/hess-21-5217-2017.
  • T.G. Gebremicael, Y.A. Mohamed, P. van der Zaag, E.Y.Hagos, 2017. Quantifying longitudinal land use change from land degradation to rehabilitation in the headwaters of Tekeze-Atbara Basin, Ethiopia. Science of the Total Environment. https://doi.org/10.1016/j.scitotenv.2017.10.034.
  • Gebremicael. T.G, Y. A. Mohamed, P. van der Zaag, E. Y. Hagos, 2017. Temporal and spatial changes of rainfall and streamflow in the Upper Tekeze–Atbara river basin, Ethiopia. Hydrol. Earth Syst. Sci., 21, 2127–2142, 2017. doi:10.5194/hess-21-2127-2017 .
  • Reem F. Digna, Y. A. Mohamed, P. van der Zaag, S. Uhlenbrook & G. A. Corzo, 2016: Nile River Basin modelling for water resources management – a literature review, International Journal of River Basin Management, DOI: 10.1080/15715124.2016.1228656.
  • Zenebe TF, Mohamed Y, Haile AM, 2015. Mitigation of Sedimentation at the Diversion Intake of Fota Spate Irrigation: Case Study of the Gash Spate Irrigation Scheme, Sudan. Irrigat Drainage Sys Eng 4:138. doi:10.4172/2168-9768.1000138A.
  • Tilmant, G. Marques, and Y. Mohamed. 2015. A dynamic water accounting framework based on marginal resource opportunity cost. Hydrol. Earth Syst. Sci., 19, 1457–1467, www.hydrol-earth-syst-sci.net/19/1457/2015/, doi:10.5194/hess-19-1457-2015 [OPEN ACCESS].
  • Yasir S. A. Ali, Alessandra Crosato, Yasir A. Mohamed, Nigel G. Wright , J.A. Roelvink. 2015. Water resource assessment along the Blue Nile River, North Africa with a one-dimensional model. Water Management. Volume 167 Issue 7, pp. 394-413 DOI:10.1680/wama.13.00020 [OPEN ACCESS].
  • S Tekleab, S Uhlenbrook, HHG Savenije, Y Mohamed, J Wenninger, 2015. Modelling rainfall–runoff processes of the Chemoga and Jedeb meso-scale catchments in the Abay/Upper Blue Nile basin, Ethiopia. HSJ, DOI:10.1080/02626667.2015.1032292.
  • Arjoon, D., Mohamed, Y., Goor, Q.and Tilmant, A., 2014. Hydro-economic risk assessment in the eastern Nile River basin. Water Resources and Economics, vol 8, 16–31
  • Y. Mohamed, H H.G. Savenije. 2014. Impact of climate variability on the hydrology of the Sudd wetland: signals derived from long term (1900 to 2000) water balance computations. Wetlands Ecol Manage, 22:191-198, DOI 10.1007/s11273-014-9337-7 [OPEN ACCESS].
  • Muala, E., Y.A. Mohamed, Z. Duan, P. van der Zaag, 2014. Estimation of reservoir discharges from Lake Nasser and Roseires Reservoir in the Nile Basin using satellite altimetry and imagery data. Remote Sensing 6(8), 7522-7545 [doi:10.3390/rs6087522] [OPEN ACCESS]
  • Kiptala, J.K., M.L. Mul, Y. Mohamed, and P. van der Zaag, 2014. Modelling stream flow and quantifying blue water using modified STREAM model for a heterogeneous, highly utilized and data-scarce river basin in Africa. Hydrol. Earth Syst. Sci. 18, 2287–2303. [doi:10.5194/hess-10-18-2287-2014] [OPEN ACCESS]
  • Kiptala, J.K., Y. Mohamed, M.L. Mul, P. Van der Zaag, 2014. Mapping evapotranspiration trends using MODIS and SEBAL model in a data scarce and heterogeneous landscape in Eastern Africa. Water Resources Research 49, 8495–8510 [doi: 10.1002/2013WR014240].
  • Diane Arjoon, Yasir Mohamed, Quentin Goor, Amaury Tilmant, 2014. Hydro-economic Risk Assessment in the Eastern Nile River Basin, Water Resources and Economics. Available online, doi:10.1016/j.wre.2014.10.004
  • Yasir S. A. Ali, Alessandra Crosato, Yasir A. Mohamed, Seifeldin H. Abdalla, Nigel G. Wright, J.A. Roelvink. 2014. Sediment balances in the Blue Nile River Basin.International Journal of Sediment Research 29 (2014) 316-328.
  • S. Tekleab, Y. Mohamed, S. Uhlenbrook. 2013.  Hydro-climatic trends in the upper Abay / Upper Blue Nile basin, Ethiopia. Journal of Phys. & Chem. of the Earth, Special Issue on Nile, vol 61–62, p 32–42.
  • S. Tekleab ,  Y. Mohamed ,  S. Uhlenbrook ,  J. Wenninger, 2013. Hydrologic responses to land cover change: the case of Jedeb mesoscale catchment, Abay/Upper Blue Nile basin, Ethiopia. Hydrol. Process, doi:10.1002/hyp.9998.
  • Kiptala, J., M.J.M Cheema, M. Mul, Y. Mohamed, P. Van der Zaag, 2013. Land use and land cover classification using phenological variability from MODIS vegetation in the Upper-Pangani River Basin, Tanzania. Physics and Chemistry of the Earth 66: 112–122 [doi:10.1016/j.pce.2013.08.002]
  • T.Gebretsadkan, Y.A. Mohamed, G.D. Betrie, P. Van der Zaag, E.Teferi. 2012. Trend Analysis of Runoff and Sediment fluxes of the Upper Blue Nile Basin using: Statistical and Physically based model and LanduseLand use maps: Upper Blue Nile Basin. Journal of hydrology, http://dx.doi.org/10.1016/j.jhydrol.2012.12.023

Other information

Recent and ongoing research projects at IHE Delft

The Tekezze-Atbara River Basin Simulation

River basin simulation for improved transboundary water management in the Nile: Case study of the Tekezze-Atbara sub-basin. Research partners are: The Hydraulics Research Center of Sudan (leading), Ethiopian Institute of Water Resources (AAU) of Ethiopia, and IHE delft. The project is funded by DUPC2 program. More information at http://t-abasin.hrc-sudan.sd/

Water Accounting:

Water accounting analysis in the NENA countries, funded by : DUPC2, FAO. More information at http://wateraccounting.org/contact.html

Blue Nile

In Search of Sustainable Catchments and Basin-wide Solidarities; Transboundary Water Management of the Blue Nile River Basin; with IWMI, Addis Ababa and Khartoum Universities and Vrije Universiteit Amsterdam (NWO/WOTRO funded; 2008-2012); see http://www.un-ihe.org/BlueNile.


Recent and ongoing projects with HRC-Sudan

The downstream impacts of the Grand Ethiopian Renaissance Dam on hydrology and water resources

This project aims to assess the impact of the GERD on the downstream hydrology (river flow and water level), and the impacts on water resources (hydropower, irrigation), using a multiple of models: SOBEK for flow routing and estimation of water level; RIBASIM to assess impact on hydropower generation and irrigation water supply, and thirdly satellite images to estimate impact on flood plain agriculture. More information at https://hrc-sudan.sd/index.php/portfolio/project-1/

Africa to Asia and Back Again: Testing Adaptation in Flood-based Farming Systems

Project partners are: IWMI, ICRAF and MetaMeta as conveners of Spate Irrigation Network. It is funded by IFAD. The Sudan component focus on (i) research on on-farm water management, (ii) research on water governance, and (iii) strengthening networks of stakeholders working on flood-based farming. More information at: https://hrc-sudan.sd/index.php/portfolio/africa-to-asia-and-back-again/

Estimation of cropped areas in the Gezira Scheme using remote sensing data

This is a continuous research project to estimate cropped areas in the Gezira Scheme (1 million ha) using Landsat 8 satellite imageries. More information at http://hrc-sudan.sd/index.php/portfolio/mapping-of-cropped-area-in-gezira-irrigation-schame/

Smart ICT for Weather and Water Information and Advice to Smallholders in Africa, Sudan component

The objective of this project is to promote innovative approaches and ICT-based technologies for weather, water and crop related information and give advice to relevant end-users. Project has its pilot sites in Sudan, Ethiopia, Egypt and Mali. In Sudan the pilot site is located in the Gash River catchment and command area covers aspects related to agricultural water management and Flood Early Warning System (FEWS). The project is led by IWMI and funded by IFAD.


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