Dr. Ahmed Abdalla

In front of the Harbour Bridge, 2010. Sydney, Australia

Contact

Email : aabdalla1[a]lsu.edu
              ahmed.abdalla[a]uofk.edu
              ahmed.abdalla[a]live.se

Assistant Research Professor
Center for Geoinformatics (C4G)
Louisiana State University
Baton Rouge, LA 
USA

Former Assistant Professor
Dept. of Surveying Engineering
University of Khartoum
Khartoum, Sudan

Former Visiting Scientist at:

Institute of Geodesy
Leibniz University of Hannover
Schneiderberg 50, 30161
Hannover, Germany


Find me on the following links
My Google Scholar Profile
My ResearchGate Profile
Linkedin


Former PhD Student at:

National School of Surveying
University of Otago
310 Castle Street
Dunedin, 9016
New Zealand
Phone: +64 3 479 5240
Mobile: +64 226 003 753
Fax     : +64 3 479 7586


Education history


Awards
  • Merit Scholarship for High Technology by Islamic Development Bank (IDB), Jeddah 2016
  • The University of Otago Research Bursary for postgraduate students 2013, New Zealand.
  • NZ Geoscience Travel Grant 2012, Hamilton -New Zealand. 
  • NZ Geoscience Travel Grant 2011, Nelson -New Zealand.
  • International Union of Geodesy and Geophysics (IUGG) Student Grant June 28 to Jul 7, 2011, Melbourne, Australia.
  • NZ Geoscience Travel Grant 2010, Auckland- New Zealand.
  • University of Otago Postgraduate Scholarship, New Zealand. Jan, 2010-Dec, 2012.
  • School of Surveying Postgraduate Scholarship - University of Otago, New Zealand. Nov to Dec, 2009.
  • Sudanese Engineering Society prize for best academic performance in graduation project (Thesis) at Department of Surveying Engineering, University of Khartoum (2002-2003), Sudan.


Academic Career
  • Teaching the following courses (2014-update) at University of Khartoum
      • Geometrical Geodesy 1 (SE411)
      • Geometrical Geodesy 2 (SE421)
      • Satellite Geodesy (SE511)
      • Physical Geodesy (SE521)
      • Graduation Projects for final-year Students
    • Visiting Scientist at Leibniz University of Hanover (2017-2018)
    • Teaching a Geodesy introductory course at Faculty of Geography and Environment, University of Khartoum May 2015 - update 
    • (2015-2016)Omdurman Islamic University
      • Error and Adjustment (SE322)
      • Physical Geodesy (SE424)
      • Graduation Projects for final-year Students
    • Teaching assistant for land surveying course at Unitec Institute of Technology, Auckland, New Zealand (Aug 2013 t0 Nov 2013)
    • Worked as a teaching assistant (during my PhD) of the following courses : 
      • Surveying Mathematics (Surv202) : 2011 and 2012
      • Surveying Methods 2 (Surv301): 2012  
      • Surveying Methods 3 (Surv451): 2011 and 2012
    Professional Career
    • Surveyor at John Fillmore Contractors (JFC), Aukland, New Zealand
    • Surveyor at Elnefeidi Group, Khartoum, Sudan, from 2003 to 2008


      Memberships 
      • A steering committee member of the Sudanese Geoinformatics Society (SGS) - Since 2014 (under establishment)
      • Member of Sudanese Engineering Council, Sudan
      • African Gravity and Geoid Regional Sub-commission 2.4d - International Association of Geodesy  (IAG) - Steering committee full member.
      • Associate Editor of Journal of Geodetic Science , Versita


      Editorial board member at 

           
       Reviewing Experience (2011- to date)
        
      Textbooks
      1. Abdalla A, (2015) Error and Adjustment, Lecture notes for 3rd-year students, Dept. of Surveying Engineering, Omdurman Islamic University, Sudan (in progress)
      2. Abdalla A, (2015) Physical Geodesy, Lecture notes for 4th-year students, Dept. of Surveying Engineering, Omdurman Islamic University, Sudan (in progress)
      3. Abdalla A, (2014) Geometrical Geodesy, Lecture notes for 4th-year students, Department of Surveying Engineering, University of Khartoum, Khartoum, Sudan.
      4. Abdalla A and Denys P., (2011) Matlab Tutorials in Surveying Mathematics, Tutorials for 2nd-year students, School of Surveying, University of Otago, Dunedin, New Zealand.
      Conference presentations
      1. Abdalla A, Fernandes R, Bos M, Fadil A,  Ferreira V, Mugnier C, Cavell J. A (2019) Monitoring of Land Subsidence in Louisiana from GNSS Observations. American Geophysical Union, 9-13 December 2019, San Francisco, USA, (poster presentation). 
      2. Abdalla A,   Ferreira V, Mugnier C, Elzein  A (2019) On the optimization of spherical convolution integral: Efficiency and analysisInternational Conference on Computer, Control, Electrical, and Electronics Engineering (ICCCEEE), 21-23 September 2019, Khartoum, Sudan(poster presentation). 
      3. Abdalla A, Fadil A, Fernandes R, Bos M, Ferreira V Mugnier C, Cavell J. A (2019) Preliminary Results of Land Subsidence Monitoring in Louisiana from GNSS Observations. International Union of Geodesy and Geophysics (IUGG) General Assembly, 8-18 July 2019, Montreal, Canada, (poster presentation). 
      4. Abdalla A, Mugnier C, Cavell J. A, Ferreira V, Bos M, Fernandes R (2019) Enhancement of Louisiana Gravity Field towards a Two-centimeter Geoid Model using a Combination of Heterogeneous Gravity Data. International Union of Geodesy and Geophysics (IUGG) General Assembly, 8-18 July 2019, Montreal, Canada, (poster presentation). 
      5. Abdalla A, Mugnier C (2019) On the refinement and validation of the terrestrial and coastal airborne gravity data over Louisiana. U.S. Hydro 2019 Conference 19-21 March 2019, Biloxi, Mississippi, USA, (poster presentation). 
      6. Abdalla A, Mugnier C (2018) Geoid enhancement in the Gulf Coast Region: Physical Geodesy & Real-Time Network ObservationsAPSG Fall Meeting, 9 Nov 2018, Houston- USA. (oral presentation).
      7. Abdalla A, Ali A (2018) Combined refinement for DEM using low-pass convolution filters and a fitting model. International Conference on Computer, Control, Electrical, and Electronics Engineering (ICCCEEE), 12-14 August 2018, Khartoum, Sudan, (oral presentation).
      8. Mustafa M, Abdalla A (2018) Determination of horizontal displacement in a part of Sudan conventional triangulation network using GNSS. International Conference on Computer, Control, Electrical, and Electronics Engineering (ICCCEEE), 12-14 August 2018, Khartoum, Sudan, (oral presentation).
      9. Abdalla A, Green C (2018) GEOWARE: An optimised Matlab software for determination of high-frequency geoid model using relational operators. International Conference on Computer, Control, Electrical, and Electronics Engineering (ICCCEEE), 12-14 August 2018, Khartoum, Sudan (oral presentation).
      10. Abdalla A, ,Heiner D, Müller J (2018) A Combined optimisation of local and global gravimetric data to improve geoid modelling in Sudan. EGU2018-5241, European Geosciences Union (EGU),  8-13 April 2018, Vienna, Austria, (poster presentation).
      11. Abdalla A, Naeimi M, Weigelt M, Müller J (2018) On the hydrological mass variations in Sudan: Based on GRACE satellite gravimetry and global hydrological models. EGU2018-5255, European Geosciences Union (EGU),  8-13 April 2018, Vienna, Austria, (poster presentation).
      12. Elmahal  A E, Abdalla  A (2017)  Assessing  the  Impacts  of  Bridges  on  the  Development  of  Fluvial Islands Using Remote Sensing and GIS: Case Study on the Islands of Khartoum State up to Sabaloka Gorge.  ICRSG 2017 : 19th International Conference on Remote Sensing and Geomorphology, 30-31 January 2017, Khartoum State, Sudan (oral presentation).
      13. Mohammed I, Abdalla A, Nuh H (2017) Estimating Soil Erosion Using Universal Soil Loss Equation and GIS in Algash Basin. ICRSG 2017 : 19th International Conference on Remote Sensing and Geomorphology, 30-31 January 2017, Jeddah, Saudi Arabia (oral presentation).
      14. Elmahal A, Khidir N, Elkhidir S, Abdalla A, Elsheikh, A (2015) Hydro-geomorphological Interpretations from Watershed and Change detection investigations using Remote Sensing and GIS Techniques. 4th International Geoscience and Geomatics Conference, 23-25 November 2015, Manama, Bahrain (oral presentation
      15. Elmahal A, Ganawa E, Abdalla A, Salih A (2015) Understanding the Common Morphometric Relationships in Hyper-arid Regions Using Remote Sensing and GIS Techniques Case Study: Northern  State,  Sudan. International Forum on the scarcity and water harvesting, control in semi-arid areas, Hurghada, Egypt (oral presentation)  
      16. Abdalla A, Elmahal A (2015) Augmentation of vertical accuracy of digital elevation model using Gaussian linear convolution filter International Conference on Computing, Control, Networking, Electronics and Embedded Systems Engineering, 2015, ICCNEEE15, 7-9 Sept, 2015, Khartoum, Sudan (oral presentation).
      17. Abdalla A, Tenzer R (2012) Improved gravimetric solution for the height reference surface in New Zealand. The Geosciences 2012, The annual conference of the Geoscience Society of New Zealand, 25-28 November, 2012, Hamilton, New Zealand (poster presentation).
      18. Abdalla A, Tenzer R (2012) Accuracy assessment of the global and regional gravimetric geoid/quasigeoid. The Geosciences 2011, The annual conference of the Geoscience Society of New Zealand, 25-28 November, 2012, Hamilton, New Zealand (poster presentation).
      19. Tenzer R, Abdalla ANovák P (2012) New experimental quasigeoid model for New Zealand - OTG12Session 4: Advances in Precise Local and Regional High‐Resolution Geoid Modeling, International Symposium on Gravity, Geoid and Height Systems GGHS 2012, October 9-12, 2012, Venice, Italy (poster presentation).
      20.  Abdalla A, Tenzer R, Gan L (2011) Towards improvement of the vertical reference system in New Zealand using GPS, levelling, gravity and altimetry data. The Geosciences 2011, The annual conference of the Geoscience Society of New Zealand, 27 November – 1 December, 2011, Nelson, New Zealand (oral presentation).
      21. Abdalla A, Tenzer R (2011) New approach for the gravimetric quasigeoid modelling using Green’s discretized integral equations and Molodensky’s types of expressions. The Geosciences 2011, The annual conference of the Geoscience Society of New Zealand, 27 November – 1 December, 2011, Nelson, New Zealand (poster presentation).
      22. Abdalla A, Tenzer R (2011) The integral-equation-based approaches for modelling the local gravity field in the remove-restore scheme. The Geosciences 2011, The annual conference of the Geoscience Society of New Zealand, 27 November – 1 December, 2011, Nelson, New Zealand (poster presentation).
      23. Abdalla A., Tenzer, R., (2012) The integral-equation-based approaches for modelling the local gravity field in the remove-restore schemeInternational Association of Geodesy Symposia, UGG General Assembly, Australia, Melbourne, 2011 
      24. Tenzer, R., Abdalla A.,Gan, L (2012) The differences between the normal, orthometric and normal orthometric heights in New ZealandInternational Association of Geodesy Symposia, IUGG General Assembly, Australia, Melbourne, 2011 
      25. Tenzer, R., Abdalla A., Gan, L (2012) Joint adjustment of the levelling networks in New Zealand using levelling, tide-gauge, and EGM08 gravity dataInternational Association of Geodesy Symposia, UGG General Assembly, Australia, Melbourne, 2011 
      26. Tenzer R, Abdalla AVatrt V, Dayoub N (2010) Average offsets of the local vertical datums in New Zealand relative to the World Height SystemSession MPRG5/G17From large to small scales for potential fields - tools and models European Geosciences Union (EGU) General Assembly 2010, May 2-7, 2010, Vienna, Austria (poster presentation).
      27. Tenzer R, Abdalla A, Novák P (2010) Global maps of the ellipsoidal corrections to gravity disturbances and gravity anomalies computed using the EGM2008 global geopotential model. Session MPRG5/G17: From large to small scales for potential fields - tools and models European Geosciences Union (EGU) General Assembly 2010, May 2-7, 2010, ViennaAustria (poster presentation).
      28. Mikuška J, Marušiak I, Tenzer R, Abdalla A (2010) The topographic gravity correction computed based on the 2-D digital rock density model of New Zealand. GeoNZ2010 conference of Geoscience Society of New Zealand and New Zealand Geothermal Workshop, Symposium 21: New frontiers and general geosciences, November 22-24, 2010, AucklandNew Zealand (poster presentation).
      29. Čunderlík R, Tenzer R, Abdalla A (2010) The dynamic surface topography offshore New Zealand derived from the DNSC08 mean sea surface and the BEM marine geoid (preliminary study). Active Earth Processes Workshop 2010, Otago University, Dunedin, 18 November 2010 (poster presentation).
      30. Abdalla A, Tenzer R, Čunderlík R (2010) A comparison of the currently available global and regional geoid/quasigeoid models in New Zealand. Active Earth Processes Workshop 2010, Otago UniversityDunedin, 18 November 2010 (poster presentation).
      31.  Čunderlík R, Tenzer R, Abdalla A (2010) Gravimetric quasigeoid modelling using the boundary element method (a case study for New Zealand). Active Earth Processes Workshop 2010, Otago University, Dunedin, 18 November 2010 (poster presentation).
      32. Gregory K, Tenzer R, Denys P, Hannah J, Abdalla A (2010) Decoupling the glacial isostatic adjustment and vertical tectonic motions from GPS time series and ICE-5G data (case study for New Zealand)Active Earth Processes Workshop 2010, Otago University, Dunedin, 18 November 2010 (poster presentation).
      33. Tenzer R, Novák P, Abdalla A, Vajda P, Ellmann A (2011) A spectral modelling of the gravitational contribution of the far-zone topography. Session G1.1: Geodetic Theory - Recent Developments in Geodetic Theory, April 3-8, 2011, Vienna, Austria (poster presentation).
      34. Tenzer R, Abdalla A, Čunderlík R (2011) Comparison of the dynamic sea surface topography with the ocean currents in the Southwest Pacific Ocean and Tasman Sea. Session OS1.1: Ocean General Circulation and Climate - Open session on ocean circulation, April 3-8, 2011, Vienna, Austria (poster presentation).
      Research seminars
      1. Abdalla A (2017) Geoid modelling in Sudan. Leibniz University of Hannover, Hannover, Sudan, 26th  Nov 2017 (oral presentation).
      2. Abdalla A (2017) Progress of Surveying profession. Engineer's Week 17, University of Khartoum, Khartoum, Sudan, 23rd May 2017 (oral presentation).
      3. Abdalla A (2016) Applications of satellite technology in Earth Sciences. Space Week, Future University, Khartoum, Sudan, 5th Oct 2016 (oral presentation).
      4. Abdalla A (2015) GPS fundamentals and applications. Darfur development workshop , Future University, Khartoum, Sudan, 29th Aug 2015 (oral presentation).
      5. Abdalla A (2015) Modern Applications of Geomatics. Surveying Engineering Students Association, University of Khartoum, Khartoum, Sudan, 3rd June 2015 (oral presentation).
      6. Abdalla A (2015) Contribution of Modern Geodesy in Earth Sciences and Engineering. Surveying Engineering Students Association, Engineer's Week 16,  University of Khartoum, Khartoum, Sudan, 23rd April 2015 (oral presentation).
      7. Abdalla A (2015) Space Technologies (Anticipated uses!). Sudanese Geoinformatics Society (SGS), First Scientific meeting, Future Universiy, Khartoum, Sudan, 31st January 2015 (oral presentation).
      8. Abdalla A (2013) The role of modern geodesy in academia and Society. Division of Geomatics, Universiy of Cape Town, Cape Town, South Africa, 15th February 2013 (oral presentation).
      9. Tenzer R, Abdalla A (2012) Gravimetric quasigeoid modeling using the discretized integral-equation approach. School of Geodesy and Geomatics, Wuhan University, Wuhan, China, 30 November 2012 (oral presentation).
      10. Abdalla ATenzer , (2012) New experimental regional model of New Zealand (OTG12), Surveying Research Workshop, School of Surveying, Otago University, Dunedin, New Zealand, 2nd of August, 2012 (oral presentation). 
      11. Rýznarová L ,Tenzer Abdalla AWiart A (2012) Regional validation of GRACE monthly solutions using oceanographic datasets, Surveying Research Workshop, School of Surveying, Otago University, Dunedin, New Zealand, 2nd of August, 2012 (oral presentation). 
      12. Abdalla A, (2011)  Accuracy analysis of state-of-the-art global gravity models using GPS-levelling and gravity data – a New Zealand case studySurveying research seminar series, School of Surveying, Otago University, Dunedin, New Zealand, 18th of August, 2011 (oral presentation).
      13. Tenzer R, Gan L, Čunderlík R, Abdalla A (2011) On some problems with the realization of the World Height System in New Zealand. Institute of Geodesy and Photogrammetry, Malaysia University of Technology, Skudai, Johor, Malaysia, 1st of April 2011 (oral presentation).
      14. Abdalla A, Tenzer R (2010) A compilation of the new geoid model in New Zealand using the KTH method. Active Earth Processes Workshop 2010, Otago UniversityDunedin, 18 November 2010 (oral presentation).
      15. Abdalla A, Tenzer R (2010) First results of a new gravimetric geoid model for New Zealand. Surveying research seminar series, School of Surveying, Otago University, Dunedin, New Zealand, 12th of February, 2010 (oral presentation).
      16. Tenzer R, Abdalla A (2010) Comparison of the new gravimetric geoid model KTH-NZ2010.v1 with existing quasigeoid models for New Zealand. Surveying research seminar series, School of Surveying, Otago University, Dunedin, New Zealand, 12th of February, 2010 (oral presentation).
      Conference proceedings
      1. Abdalla A, Ferreira, V., Mugnier, C., Elzein, A (2019) On the optimization of spherical convolution integral: Efficiency analysis. International Conference on Computer, Control, Electrical, and Electronics Engineering (ICCCEEE), 19-22 Septmper 2019, Khartoum, Sudan
      2. Abdalla A, Ali A (2018) Combined refinement for DEM using low-pass convolution filters and a fitting model. International Conference on Computer, Control, Electrical, and Electronics Engineering (ICCCEEE), 12-14 August 2018, Khartoum, Sudan
      3. Mustafa M, Abdalla A (2018) Determination of horizontal displacement in a part of Sudan conventional triangulation network using GNSS. International Conference on Computer, Control, Electrical, and Electronics Engineering (ICCCEEE), 12-14 August 2018, Khartoum, Sudan
      4.  Abdalla A, Green C (2018) GEOWARE: An optimised Matlab software for determination of high-frequency geoid model using relational operators. International Conference on Computer, Control, Electrical, and Electronics Engineering (ICCCEEE), 12-14 August 2018, Khartoum, Sudan 
      5. Abdalla A., Anwar, A., Jaafar, M. Elmontasir, M and Eltayeb, Y., Multi-station baseline calibration of errors induced by phase inhomogeneity in electronic distance measurement devices (in progress)
      6. Abdalla A., Elmahal, A., (2015) Augmentation of Vertical Accuracy of Digital Elevation Models Using Gaussian Linear Convolution Filter, International Conference on Computing, Control, Networking, Electronics and Embedded Systems Engineering, 2015, Khartoum, Sudan
      7. Elmahal A, Ganawa E, Abdalla A, Salih A (2015) Understanding the Common Morphometric Relationships in Hyper-arid Regions Using Remote Sensing and GIS Techniques Case Study: Northern  State,  Sudan.   International  Forum  on  the  scarcity  and  water  harvesting,  control  in  semi-arid areas, Hurghada, Egypt
      8. Abdalla A., Tenzer, R., (2012) The integral-equation-based approaches for modelling the local gravity field in the remove-restore schemeInternational Association of Geodesy Symposia, 2011
      9. Tenzer, R., Abdalla A., Gan, L (2012) The differences between the normal, orthometric and normal orthometric heights in New ZealandInternational Association of Geodesy Symposia
      10. Tenzer, R., Abdalla A., Gan, L (2012) Joint adjustment of the levelling networks in New Zealand using levelling, tide-gauge, and EGM08 gravity dataInternational Association of Geodesy Symposia, 2011
        Peer-reviewed papers
        1. Ferreira, V., Ndehedehe, C., Montecino, H., Yong, B., Yuan, P., Abdalla, A., Mohammed, A (2019) Prospects for Imaging Terrestrial Water Storage in South America Using Daily GPS Observation, Remote Sensing, MDPI
        2. Mohammed I, Nuh H, Abdalla A (2017) Coupling Universal Soil Loss Equation and GIS Techniques for Estimation of Soil Loss and Sediment Yield in Algash Basin. International Journal of Advanced Remote Sensing and GIS
        3. Abdalla, A., Green, C. (2015) Utilisation of Fast Fourier Transform and Least-squares Modification of Stokes formula to compile an approximate geoid model over Khartoum State: Sudan
        4. Abdalla, A., Mohamed, A., Khabeer, A. (2015) Adjustment and gross errors detection of free triangulation geodetic network using minimum-norm least-squares inverses and data snooping
        5. Abdalla, A., Mogren, S. (2015) Implementation of a rigorous least-squares modification of Stokes formula to compute a precise geoid model over Saudi Arabia (SAGEO13). Canadian Journal of Earth Sciences. DOI: 10.1139/cjes-2014-0192
        6. Abdalla, A. (2014) Comparison of different interpolation methods for evaluating and gridding terrestrial gravity data for the sake of geoid determination (In preparation)
        7. Abdalla, A. (2014) Temporal variations of the Earth gravity field and gravimetric geoid model captured by time series of GRACE monthly data (In progress)
        8. Abdalla, A. (2014) Contribution of linear convolution filters, GOCE geopotential models and residual terrain model in refining the gravity anomaly data grid: A proactive strategy (In progress)
        9. Abdalla, A. (2015)  Application of a cross validation scheme for gross error detection and refining terrestrial gravity data(In progress
        10. Abdalla, A. (2014) Effect of Linear Gaussian filter on geoid height determination: A comparison study over Sudan and New Zealand.  (Under review)
        11. Abdalla, A. (2014) Infuence of Linear Convolution filters on gravity data smoothing and noise ellimination (In progress)
        12. Abdalla, A. (2014) The use of discretised integral equations to compute gravimetric geoid-quasigeoid models: A comparison between Stokes integral and Green integral equations. (In progress)
        13. Abdalla, A., Tenzer,  R.  (2013) Effect of reference field and topography corrections on the accuracy of New Zealand quasigeoid model using Green's integral approach (In progress)
        14. Abdalla, A. (2014) Inter-comparisons of global digital elevation models and levelling data for vertical accuracy assessment of the orthometric heights. (In progress)
        15. Abdalla, A., Tenzer, R (2012)  Compilation of the regional quasigeoid model for New Zealand using the discretized integral-equation approachJournal of Geodetic Science. 
        16. Abdalla, A., Fashir, H.H., Ali, A., Fairhead, D., (2012) Validation of Recent GOCE/GRACE Geopotential Models Over Khartoum State – Sudan  Journal of Geodetic Sciences, DOI: 10.2478/v10156-011-0035-6.
        17. Tenzer,  R., Dayoub, N. and Abdalla, A. (2012) Analysis of a relative offset between vertical datums at the North and South Islands of New Zealand Journal of Applied Geomatics.
        18. Abdalla, A., Tenzer, R., (2012) The global geopotential and regional gravimetric geoid/quasigeoid models testing using the newly adjusted levelling dataset for New Zealand Applied Geomatics, DOI:10.1007/s12518-012-0089-x.
        19. Tenzer,  R.,  Čunderlík, R., Dayoub, N. and Abdalla, A. (2011) Application of the BEM approach for a determination of the regional marine geoid model and the mean dynamic topography in the Southwest Pacific Ocean and Tasman Sea., Journal of Geodetic Science, DOI:  10.2478/v10156-011-0019-6.
        20. Tenzer R, Vatrt V, Luzi G, Abdalla ADayoub N (2011) Combined approach for the unification of levelling networks in New Zealand. Journal of Geodetic Sciences.
        21. Abdalla A, Fairhead D (2011) A new Geoid model for Sudan using the KTH method. J of African Earth Sciences, DOI:10.1016/j.jafrearsci.2011.02.012.
        22. Abdalla A, Tenzer R (2010) The evaluation of the New Zealand’s geoid model using the KTH method. Journal of Geodesy and Cartography. doi:10:3846/13921341-2011-558326.
        23. Tenzer R,  Novák P, Vajda P, Ellmann AAbdalla A (2011) Far-zone gravity field contributions corrected for the effect of topography by means of Molodensky’s truncation coefficients. Studia Geophysica et Geodaetica, DOI:10.1007/s11200-011-0004-7.
        24. Tenzer R, Abdalla A, Vajda P, Hamayun (2010) The spherical harmonic representation of the gravitational field quantities generated by the ice density contrast. Contributions to Geophysics and Geodesy, 40(3): 207-223, DOI:10.2478/v10126-010-0009-1.
        25. Čunderlík R, Tenzer R, Abdalla A , Mikula K (2010) The quasigeoid modelling in New Zealand using the boundary element method. Contributions to Geophysics and Geodesy, DOI:10.2478/v10126-010-0011-7.
        26. Tenzer R, Vatrt V, Abdalla A, Dayoub N (2010) Assessment of the LVD offsets for the normal-orthometric heights and different permanent tide systemsApplied Geomatics, DOI:10.1007/s12518-010-0038-5.
        Supervisions
        Master's Level
        (2015-2016)

        1. Mohamed Ahmed Eltigani Khatam (University of Khartoum), Completed 26-01-2016
        2. Bahaeldin Mohamed Adam (University of Khartoum),  Completed 23-03-2016
        3. Esameldin Mohamed Elshiekh (University of Khartoum),  Completed 29-03-2016

        Undergrad Theses 

        (2015-2016)

        1. Mohamed Elmuntasir (University of Khartoum)
        2. Mohamed Jaafar (University of Khartoum)
        3. Alwaleed Abdelmajeed (University of Khartoum)
        4. Fakhr Eldeen Elmahy (University of Khartoum)
        5. Hussien Awadelkareem (University of Khartoum)
        6. Mazin Elsadig (University of Khartoum)
        7. Elmustafa Tajelsir (University of Khartoum)
        8. Mowafag Mohamed (University of Khartoum)
        9. Ayman Osman (University of Khartoum)
        10. Mohamed Luai (University of Khartoum)
        11. Tarig Babikir (University of Khartoum)
        12. Mustafa Omer (University of Khartoum)
        13. Ahmed Izzeldin (University of Khartoum)
        14. Ahmed Eisa (Omdurman Islamic University)
        15. Abdelkarim Ali (Omdurman Islamic University)
        16. Mohamed Ahmed (Omdurman Islamic University)
        17. Elwasila Osman (Omdurman Islamic University)
        18. Mubashar Ali (Omdurman Islamic University)
        19. Elsiddig Mohamed (Omdurman Islamic University)
        20. Omer Tarig (Omdurman Islamic University)
        21. Imad Abdalla (Omdurman Islamic University)
        22. Abdelhalim Elrayah (Omdurman Islamic University)
        23. Omer Osman (Omdurman Islamic University)
        24. Ahmed Ali (Omdurman Islamic University)
        25. Eltahir Ahmed (Omdurman Islamic University)
        (2014-2015)
        1. Mohtadi Mohamed (University of Khartoum)
        2. Mohamed Elfadil (University of Khartoum)
        3. Bushra Jamaleldin (University of Khartoum)
        4. Mosaab Omer (University of Khartoum)
        5. Mohamed Abdelrahman (University of Khartoum)
        6. Mohamed Samual (University of Khartoum)
        7. Mohamed Elmustafa (University of Khartoum)
        8. Mohamed Sami  (University of Khartoum)
        9. Abdelrashid Tahir (University of Khartoum)

         


        Effects of filtering on several DEMs over Khartoum area


        Countries I stuck around, visited or stopped over


        hans holger albrecht