{"id":47,"date":"2016-09-26T10:54:17","date_gmt":"2016-09-26T10:54:17","guid":{"rendered":"http:\/\/staffpages.uofk.edu\/ahmed-m-abdalla\/?page_id=47"},"modified":"2016-09-26T10:54:17","modified_gmt":"2016-09-26T10:54:17","slug":"research-seminars","status":"publish","type":"page","link":"https:\/\/staffpages.uofk.edu\/ahmed-m-abdalla\/?page_id=47","title":{"rendered":"Research seminars"},"content":{"rendered":"

Research seminars<\/b><\/span><\/p>\n

    \n
  1. Abdalla A\u00a0<\/b>(2015) Contribution of Modern Geodesy in Earth Sciences and Engineering<\/span><\/span>. Surveying Engineering Students Association,\u00a0Engineer\u2019s Week 16,\u00a0\u00a0University of\u00a0Khartoum,\u00a0Khartoum, Sudan,\u00a023rd<\/sup>\u00a0<\/span><\/span>April 2015 (oral presentation).<\/span><\/span><\/li>\n
  2. Abdalla A\u00a0<\/b>(2015) Space Technologies (Anticipated uses!)<\/span><\/span>. Sudanese Geoinformatics Society (SGS), First Scientific meeting, Future Universiy,\u00a0Khartoum, Sudan,\u00a031st<\/sup>\u00a0<\/span><\/span>January 2015 (oral presentation).<\/span><\/span><\/li>\n
  3. Abdalla A\u00a0<\/b>(2013) The role of modern geodesy in academia and Society<\/span><\/span>. Division of Geomatics, Universiy of Cape Town,\u00a0Cape Town, South Africa, 15th<\/sup> <\/span><\/span><\/span> February 2013 (oral presentation).<\/span><\/span><\/li>\n
  4. Tenzer R<\/span>, Abdalla A (2012) Gravimetric quasigeoid modeling using the discretized integral-equation approach<\/span><\/span>. School of Geodesy and Geomatics, Wuhan University, Wuhan, China, 30 November 2012 (oral presentation).<\/span><\/b><\/span><\/li>\n
  5. Abdalla\u00a0<\/b><\/span>A<\/span><\/b>,\u00a0<\/span>Tenzer\u00a0<\/span>R\u00a0<\/span>,<\/span>\u00a0(2012)\u00a0<\/span>New experimental regional model of New Zealand (OTG12)<\/span><\/span>, Surveying Research Workshop,\u00a0<\/span>School of Surveying, Otago University, Dunedin, New Zealand, 2nd<\/sup>\u00a0of August, 2012 (oral presentation).<\/span>\u00a0<\/span><\/li>\n
  6. R\u00fdznarov\u00e1\u00a0<\/span>L<\/span>\u00a0<\/span>,<\/span>Tenzer\u00a0<\/span>R\u00a0<\/span>,\u00a0Abdalla\u00a0<\/b><\/span>A<\/span><\/b>,\u00a0<\/span>Wiart\u00a0<\/span>A<\/span>\u00a0(2012)\u00a0<\/span>R<\/span><\/span>egional validation of GRACE monthly solutions using oceanographic datasets<\/span><\/span>, Surveying Research Workshop,\u00a0<\/span>School of Surveying, Otago University, Dunedin, New Zealand, 2nd<\/sup>\u00a0of August, 2012 (oral presentation).<\/span>\u00a0<\/span><\/li>\n
  7. Abdalla A, (2011) \u00a0Accuracy analysis of state-of-the-art global gravity models using GPS-levelling and gravity data \u2013 a New Zealand case study<\/span><\/span>,\u00a0<\/span><\/span><\/b>Surveying research seminar series, School of Surveying, Otago University, Dunedin, New Zealand, 18th<\/sup>\u00a0of August, 2011 (oral presentation).<\/span><\/li>\n
  8. Tenzer<\/span>\u00a0R,\u00a0Gan<\/span>\u00a0L,\u00a0<\/span>\u010cunderl\u00edk<\/span><\/span>\u00a0R,\u00a0<\/span>Abdalla<\/span>\u00a0A<\/span>\u00a0(2011)\u00a0On some problems with the realization of the World Height System in New Zealand.\u00a0<\/span><\/span><\/span>Institute of Geodesy and Photogrammetry<\/span>, Malaysia University of Technology<\/span><\/span><\/span>, Skudai<\/span><\/span>, Johor, Malaysia<\/span><\/span>, 1<\/span>st<\/sup><\/span>\u00a0of April 2011 (invited oral presentation).<\/span><\/b><\/span><\/li>\n
  9. Abdalla A<\/b>, Tenzer R (2010)\u00a0A compilation of the new geoid model in New Zealand using the KTH method<\/span><\/span>. Active Earth Processes Workshop 2010,\u00a0Otago\u00a0University,\u00a0Dunedin, 18 November 2010 (oral presentation).<\/span><\/li>\n
  10. Abdalla A<\/b>, Tenzer R (2010)\u00a0First results of a new gravimetric geoid model for New Zealand<\/span><\/span>. Surveying research seminar series, School of Surveying, Otago University, Dunedin, New Zealand, 12th<\/sup>\u00a0of February, 2010 (oral presentation).<\/span><\/li>\n
  11. Tenzer R,\u00a0Abdalla A<\/b>\u00a0(2010)\u00a0Comparison of the new gravimetric geoid model KTH-NZ2010.v1 with existing quasigeoid models for New Zealand<\/span><\/span>. Surveying research seminar series, School of Surveying, Otago University, Dunedin, New Zealand, 12th<\/sup>\u00a0of February, 2010 (oral presentation).<\/span><\/li>\n<\/ol>\n
    <\/div>\n
    \u00a0<\/span><\/div>\n
    Conference proceedings<\/b><\/span><\/p>\n
      \n
    1. Abdalla A<\/b><\/span>., Anwar, A., Jaafar, M. Elmontasir, M and Eltayeb, Y.,\u00a0<\/span><\/b><\/span><\/b><\/span>Multi-station baseline calibration of errors induced by phase inhomogeneity in electronic distance measurement devices<\/span>\u00a0(<\/span>in progress<\/span>)<\/span><\/li>\n
    2. Abdalla A<\/b><\/span>., Elmahal, A.,\u00a0<\/span><\/b><\/span><\/b><\/span>Utilisation of Gaussian filter in augmentation of vertical accuracy of digital elevation models with respect to levelling data<\/span>\u00a0(<\/span>in progress<\/span>)<\/span><\/li>\n
    3. Abdalla A<\/b><\/span>., Tenzer, R., (2012)\u00a0The integral-equation-based approaches for modelling the local gravity field in the remove-restore scheme<\/span><\/span>,\u00a0<\/span>International Association of Geodesy Symposia<\/span><\/b><\/span><\/li>\n
    4. Tenzer, R.,\u00a0<\/span>Abdalla A<\/b><\/span>.,Gan, L<\/span>\u00a0(2012)\u00a0The differences between the normal, orthometric and normal orthometric heights in New Zealand<\/span><\/span>,\u00a0<\/span>International Association of Geodesy Symposia<\/span><\/b><\/span><\/li>\n
    5. Tenzer, R.,\u00a0<\/span>Abdalla A<\/b><\/span>., Gan, L (2012)\u00a0Joint adjustment of the levelling networks in New Zealand using levelling, tide-gauge, and EGM08 gravity data<\/span><\/span>,\u00a0<\/span>International Association of Geodesy Symposia<\/span><\/b><\/span><\/li>\n<\/ol>\n<\/div>\n
      \u00a0<\/span><\/div>\n
      Peer-reviewed papers<\/span><\/b><\/p>\n
        \n
      1. Abdalla, A., et., al.\u00a0<\/b>(2014)\u00a0<\/span><\/b><\/span><\/span><\/span>A 2-dimentional adjustment of geodetic metwork measurements using least-squares methods<\/span>\u00a0<\/span>(in preparation<\/span>)<\/span><\/li>\n
      2. Abdalla, A. <\/b>(2014)\u00a0<\/span><\/span><\/span>Comparison of different interpolation methods for evaluating and gridding terrestrial gravity data for the sake of geoid determination<\/span><\/span> (in preparation<\/span>)<\/span><\/li>\n
      3. Abdalla, A. <\/b>(2014)\u00a0<\/b><\/span><\/span><\/span>Temporal variations of the Earth gravity field and gravimertic geoid model captured by time series of GRACE monthly data<\/span>\u00a0<\/span>(In progress<\/span>)<\/span><\/li>\n
      4. Abdalla, A. <\/b>(2014)\u00a0<\/b><\/span><\/span><\/span>Contribution of linear convolution filters, GOCE geopotential models and residual terrain model in refining the gravity anomaly data grid: A proactive strategy<\/span>\u00a0<\/span>(In progress<\/span>)<\/span><\/li>\n
      5. Abdalla, A.\u00a0<\/b>(2014)\u00a0<\/span><\/span><\/span>Inter-comparisons of global digital elevation models and levelling data for vertical accuracy assessment of the orthometric heights<\/span><\/span>. (In progress<\/span>)<\/span><\/li>\n
      6. Abdalla, A.\u00a0<\/b>(2014)<\/span>\u00a0<\/b>Cross Validation for gross error detection of terrestrial gravity data.\u00a0<\/span><\/span><\/span><\/span>(Under review<\/span><\/span>)\u00a0<\/span><\/li>\n
      7. Abdalla, A., Mogren, S.<\/b> (2014)\u00a0<\/span>Implementation of a rigorous least-squares modification of Stokes formula to compute a precise geoid model over Saudi Arabia<\/span><\/span> (SAGEO13). <\/span>(Accepted<\/span>)<\/span><\/li>\n
      8. Abdalla, A.\u00a0<\/b>(2014)<\/span>\u00a0<\/b>Effect of Linear Gaussian filter on geoid height determination: A comparison study over Sudan and New Zealand.\u00a0<\/span><\/span><\/span><\/span>(Under review<\/span><\/span>)<\/span><\/li>\n
      9. Abdalla, A.\u00a0<\/b>(2014)<\/span>\u00a0<\/b>Infuence of Linear Convolution filters on gravity data smoothing and noise ellimination\u00a0<\/span><\/span><\/span><\/span>(Submitted<\/span><\/span>)<\/span><\/li>\n
      10. Abdalla, A.\u00a0<\/b>(2014)<\/span>\u00a0<\/b>The use of discretised integral equations to compute gravimetric geoid-quasigeoid models: A comparison between Stokes integral and Green integral equations.\u00a0<\/span><\/span><\/span><\/span><\/span>(Under review<\/span><\/span>)<\/span><\/li>\n
      11. Abdalla, A.(2014)<\/span>\u00a0<\/b>The utilisation of Fast Fourier Transform and Least-squares Modification of Stokes formula to compile an approximate geoid model over Khartoum State: Sudan<\/span><\/span> (Under review<\/span>)<\/span><\/span><\/li>\n
      12. Abdalla, A.,\u00a0Tenzer,\u00a0 R.\u00a0<\/span>\u00a0<\/span><\/b>(2013)<\/span>\u00a0Effect of reference field and topography corrections on the accuracy of New Zealand quasigeoid model using Green\u2019s integral approach<\/span><\/span>\u00a0<\/span>(Under review<\/span>)\u00a0<\/span>Journal of Applied Geomatics.<\/span><\/li>\n
      13. Abdalla, A.,\u00a0<\/b>Tenzer, R (2012) \u00a0<\/span><\/span>Compilation of the regional quasigeoid model for New Zealand using the discretized integral-equation approach<\/span><\/span><\/a>.\u00a0<\/span><\/span><\/b>Journal of Geodetic Science<\/span><\/span>.<\/span><\/span>\u00a0<\/b><\/span><\/li>\n
      14. Abdalla, A<\/b>., Fashir, H.H., Ali, A., Fairhead, D., (2012)\u00a0Validation of Recent GOCE\/GRACE Geopotential Models Over Khartoum State \u2013 Sudan<\/span><\/span><\/a>\u00a0<\/span>,\u00a0<\/span>\u00a0Journal\u00a0of Geodetic Sciences<\/span>, DOI: 10.2478\/v10156-011-0035-6.<\/span><\/li>\n
      15. Tenzer,\u00a0 R., Dayoub, N. and\u00a0<\/span>Abdalla, A.\u00a0<\/b>(2012)<\/span>\u00a0Analysis of a relative offset between vertical datums at the North and South Islands of New Zealand<\/span><\/span>\u00a0<\/span>Journal of Applied Geomatics.<\/span><\/li>\n
      16. Abdalla, A.<\/b>, Tenzer, R., (2012)\u00a0The global geopotential and regional gravimetric geoid\/quasigeoid models testing using the newly adjusted levelling dataset for New Zealand<\/span><\/span><\/a><\/span>\u00a0Applied Geomatics, DOI:<\/span>10.1007\/s12518-012-0089-x.<\/li>\n
      17. Tenzer,\u00a0 R.,\u00a0\u00a0\u010cunderl\u00edk, R.,\u00a0Dayoub, N. and\u00a0Abdalla, A.<\/b>\u00a0(2011)\u00a0<\/span>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<\/a>, DOI:\u00a0<\/span><\/span>\u00a010.2478\/v10156-011-0019-6.<\/span><\/span><\/li>\n
      18. Tenzer\u00a0R,\u00a0Vatrt\u00a0V,\u00a0Luzi\u00a0G,\u00a0<\/span>Abdalla<\/span><\/b>\u00a0A<\/b>,\u00a0<\/span>Dayoub\u00a0N<\/span>\u00a0(2011)<\/span><\/span>\u00a0<\/span>Combined approach for the unification of\u00a0levelling\u00a0networks in New Zealand<\/a><\/span><\/span>.<\/a>\u00a0Journal\u00a0of Geodetic Sciences.<\/span><\/li>\n
      19. Abdalla A<\/b>, Fairhead D (2011)\u00a0<\/span>A new Geoid model for Sudan using the KTH method<\/a><\/span><\/span>. J of African Earth Sciences, DOI:10.1016\/j.jafrearsci.2011.02.012.<\/span><\/li>\n
      20. Abdalla A<\/b>, Tenzer R (2010)\u00a0<\/span>The evaluation of the New Zealand\u2019s geoid model using the KTH method<\/a><\/span><\/span>. Journal of Geodesy and Cartography<\/span>. doi:10:3846\/13921341-2011-558326.<\/span><\/li>\n
      21. Tenzer R,\u00a0 Nov\u00e1k P, Vajda P,\u00a0<\/span>Ellmann\u00a0A<\/i><\/span>,\u00a0<\/i>Abdalla A<\/b>\u00a0(2011)\u00a0<\/span>Far-zone gravity field contributions corrected for the effect of topography by means of Molodensky\u2019s truncation coefficients<\/span><\/a>. Studia Geophysica et Geodaetica,\u00a0DOI:<\/span>10.1007\/s11200-011-0004-7.<\/span><\/li>\n
      22. Tenzer R,\u00a0<\/span>Abdalla A<\/b>, Vajda P, Hamayun (2010)\u00a0<\/span>The spherical harmonic representation of the gravitational field quantities generated by the ice density contrast<\/span><\/a>. Contributions to Geophysics and Geodesy, 40(3): 207-223, DOI:10.2478\/v10126-010-0009-1.<\/span><\/li>\n
      23. \u010cunderl\u00edk R, Tenzer R,\u00a0<\/span>Abdalla A<\/b>\u00a0, Mikula K (2010)\u00a0<\/span>The quasigeoid modelling in New Zealand using the boundary element method<\/span><\/a>. Contributions to Geophysics and Geodesy, DOI:10.2478\/v10126-010-0011-7.<\/span><\/li>\n
      24. Tenzer R, Vatrt V,\u00a0<\/span>Abdalla A<\/b>, Dayoub N (2010)\u00a0<\/span>Assessment of the LVD offsets for the normal-orthometric heights and different permanent tide systems<\/span><\/a>.\u00a0<\/span>Applied Geomatics, DOI:10.1007\/s12518-010-0038-5.<\/span><\/li>\n<\/ol>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

        Research seminars Abdalla A\u00a0(2015) Contribution of Modern Geodesy in Earth Sciences and Engineering. Surveying Engineering Students Association,\u00a0Engineer\u2019s Week 16,\u00a0\u00a0University of\u00a0Khartoum,\u00a0Khartoum, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"page-publications.php","meta":{"footnotes":""},"class_list":["post-47","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/staffpages.uofk.edu\/ahmed-m-abdalla\/index.php?rest_route=\/wp\/v2\/pages\/47","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staffpages.uofk.edu\/ahmed-m-abdalla\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/staffpages.uofk.edu\/ahmed-m-abdalla\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/staffpages.uofk.edu\/ahmed-m-abdalla\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/staffpages.uofk.edu\/ahmed-m-abdalla\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=47"}],"version-history":[{"count":1,"href":"https:\/\/staffpages.uofk.edu\/ahmed-m-abdalla\/index.php?rest_route=\/wp\/v2\/pages\/47\/revisions"}],"predecessor-version":[{"id":49,"href":"https:\/\/staffpages.uofk.edu\/ahmed-m-abdalla\/index.php?rest_route=\/wp\/v2\/pages\/47\/revisions\/49"}],"wp:attachment":[{"href":"https:\/\/staffpages.uofk.edu\/ahmed-m-abdalla\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=47"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}