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)
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)
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)
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)
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)
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)
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)
Tenzer R, Abdalla A, Vatrt V, Dayoub N (2010) Average offsets of the local vertical datums in New Zealand relative to the World Height System. 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, Vienna, Austria (poster presentation).
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, Vienna, Austria (poster presentation).
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, Auckland, New Zealand (poster presentation).
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).
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 University, Dunedin, 18 November 2010 (oral presentation).
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 University, Dunedin, 18 November 2010 (poster presentation).
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).
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).
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).
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).
