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Regional Models

Belgium (hBG03)

  Authors: H. Duquenne, M. Everaerts, P. Lambot     Created: 2003    Resp: J. Verbeurgt  
      Status: PUBLIC    
hBG03 is a Belgian hybrid quasi-geoid model computed by fitting 3735 GPS/levelling points with the BG03 gravimetric solution. The fitting method is based on kriging with outlier detection in GPS/levelling data. The resulting hBG03 model represents the altimetric conversion between orthometric heights in TAW vertical datum and ellipsoidal heights in ETRS89 reference system (GRS80 reference ellipsoid). The estimated accuracy of this model is about 2 cm.

H. Duquenne, M. Everaerts, P. Lambot (2005). Merging a gravimetric model of the geoid with GPS/levelling data: an example in Belgium. In: C. Jekeli, L. Bastos, J. Fernandes (eds.), Gravity, Geoid and Space Missions, IAG Symposia Series, vol. 129, pp. 131-136, Springer Verlag. DOI: 10.1007/3-540-26932-0_23
S. Scory, J. Ozer, M. Devolder, P. Lambot, P. Voet, F. De Doncker, A. De Wulf, P. De Maeyer, S. De Mûelenaere, H. Poppe, K. Van Parys (2010). Relationships between vertical reference planes in the Belgian marine area. G2LAT Final Report. Belgian Science Policy 2009, Brussels.
M. Everaerts, W. De Vos (2012). Gravity acquisition in Belgium and the resulting Bouguer anomaly map. Geological Survey of Belgium, vol. 58.
P. Lambot (2013). Belgian Reference frame & projection Lambert (2013). Géodésie, IGN.

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