2014

[07] Walyeldeen Godah, Malgorzata Szelachowska, Jan Krynski (2014): Accuracy assessment of GOCE-based geopotential models and their use for modelling the gravimetric quasigeoid - A case study for Poland,Journal of Geodesy and Cartography - Walter de Gruyter,Vol. 63, No 1, pp. 3-24, DOI: 10.2478/geocart-2014-0001 .

2013

[06] Walyeldeen Godah, Jan Krynski (2013): Comparison of GGMs based on one year GOCE observations with the EGM08 and terrestrial data over the area of Sudan. International Journal of Applied Earth Observation and Geoinformation 28, xx-xx, DOI: 10.1016/j.jag.2013.11.003 Link1

[05] Walyeldeen Godah, Jan Krynski (2013): Evaluation of recent GOCE global geopotential models over the area of Poland. Journal of Acta Geodynamica et Geomaterialia, Vol. 10, No. 3 (171), pp. 379-386, 2013, DOI: 10.13168/AGG.2013.0037. Link1 Link2

[04] Walyeldeen Godah, Jan Krynski,Jan Cisak (2013): The use of GPS data at T-T Zone for the verification of the recent terrestrial reference frames considering possible geodynamic processes. Journal of Geoinformation Issue, Vol. 4, No 1 (4), pp. 5-13, 2012,ISSN 2300-4916 . Link1 Link2

2012

[03] Walyeldeen Godah, Jan Krynski (2012): Validation of GOCE geopotential models over Poland using the EGM2008 and GPS/levelling data. Journal of Geoinformation Issue, Vol. 3, No 1 (3), pp. 5-17, 2011,ISSN 1689-6440. Link1 Link2

2011

[02] Jan Cisak, Walyeldeen Hassan, Lukasz Zak (2011) Could recent GNSS data provide an evidence of tectonic processes within the TT zone?. Report on the Symposium of the IAG Subcommission for Europe (EUREF) held in Chisinau, Moldova, 25 - 28 May 2011,EUREF Publication No. 21 releases of the Federal Office for Cartography and Geodesy, Frankfurt am Main.Link1 Link2

[01] Sjoberg L.E., Walyeldeen H . and Horemuz M., (2011): Estimation of crustal motions at the permanent GPS station SVEA, Antarctica, from 2005 to 2009. Journal of Geodetic Science, Volume 1, Number 3 / September 2011,DOI 10.2478/v10156-010-0024-1. Link1 Link2

[01] Jan Cisak, Walyeldeen Hassan, Lukasz Zak (2011): Could recent GNSS data provide an evidence of tectonic processes within the TT zone?.Presented (poster) at the Symposium of the IAG Subcommission for Europe (EUREF) held in Chisinau, Moldova, 25 - 28 May 2011

[02] Jan Cisak, Walyeldeen Godah, Lukasz Zak (2011): WHETHER BASED ON DATA PROCESSING GNSS can be monitored Tectonic ZONE T-T?. Confrance on the Satellite methods for determining the position in modern geodesy and navigation held in Wroclaw,Poland, 2-4.06.2011 (abstract in polish), pp. 19 Online Available

[03] Cisak J., GODAH W., Zak L., Kupko V.S., Kostrikov A.V., Zanimonskiy Y.M., (2012): Metrological investigations of GNSS receivers on the basis of data from IGS/EPN and EUPOS stations or local permanent GNNS network in Poland and Ukraine. Presented (poster) at the symposium of the IAG Subcommission for Europe (EUREF) held in Saint Mande, France, 06 - 08 June 2012. Online Available

[04] Walyeldeen Godah and Jan Krynski (2012): Accuracy assessment of the 3rd release GOCE GGMs over the area of Poland using EGM2008 and GPS/levelling.Presented (poster) at the 1st International GOCE Solid Earth Workshop, Enschede, 16-17 October 2012, pp. 17 Online Available

[05] Walyeldeen Godah, and Jan Krynski (2012): Evaluation of recent GOCE global geopotential models over the area of Poland.ON RECENT GEODYNAMICS OF THE SUDETY MTS. AND ADJACENT AREAS,13th Czech-Polish Workshop,November 22-24, 2012, Wroclaw, Poland.pp. 18Online Available

[06] Walyeldeen Godah , Jan Krynski, Malgorzata Szelachowska, (2014). On the contribution of GOCE mission to modelling the gravimetric geoid: A case study - a sub-region of East Africa and Central Europe. The 3rd International Gravity Field Service (IGFS) General Assembly, June 30 -July 6, 2014, Shanghai, China(In preparation).

[07] Walyeldeen Godah, Jan Krynski, (2014). A new gravimetric geoid model for the area of Sudan using the least squares collocation and a GOCE-based GGM. The 3rd International Gravity Field Service (IGFS) General Assembly, June 30 -July 6, 2014, Shanghai, China (In preparation)

[01] Walyeldeen Godah(2009): Velocity estimation of GPS satation SVEA, Antarctica.presented at the Royal Institute of Technology (KTH),Stockholm, Sweden 04-June-2009

[02] Walyeldeen Godah(2012): On GOCE satellite gravity mission. presented at the institute of Geodesy and Cartography (IGiK), Warsaw, Poland 22-MAY-2012.

[03] Walyeldeen Godah(2013): Dedicated Satellite gravity mission "e.g. GOCE mission", presented at Browa Gora observertory, Warsaw, Poland 04-JAN-2013.

[04] Walyeldeen Godah(2013): Contribution of GOCE-based gravity field modelling to local geoid determination.presented at Warsaw University of Technology, Warsaw, Poland 22-March-2013.

[01] Walyeldeen Godah (2010): Geodesy division new syllabus.University of Khartoum,Faculty of Engineering,Khartoum, Sudan (in Arabic and English).

[02] Krynski J., Cisak J., Sekowski M., Dykowski P., Godah W.,Jedrzejewska A., Zak L., (2012): Survey of the base stations of the gravity control in Poland with data processing (Stage I), (in Polish), Report for the Head Office of Geodesy and Cartography, December 2012, Warsaw (25 pp.)

Thesis