Results 11 to 20 of about 3,699 (225)
THE DEVELOPMENT AND VALIDATION OF AN EGM2008 GEOID MODEL FOR SENEGAL. [PDF]
International Journal of Advanced Research, 2019 Alassane Ba 1 , Ababacar Fall 1 , Papa Babacar Diop Thioune 1,2 and El Hadji Bamba Diaw 1 . 1. Laboratory of Sciences and Technology of Water and Environment (LaSTEE), Polytechnic School of Thies BPA 10 Thies, Senegal. 2.
A. Ba
semanticscholar +4 more sources
Earth and Planetary Physics, 2020 Global geopotential models have not included the very high frequencies of the Earth’s external gravity field. This is called omission error. This omission error becomes more important in mountainous areas (areas with highly variable topography). The work
Paul Gautier Kamto +4 more
doaj +2 more sources
ADAPTATION OF THE GLOBAL GEOID MODEL EGM2008 ON CAMPANIA REGION (ITALY) BASED ON GEODETIC NETWORK POINTS [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2021 . The knowledge of the geoid undulation, the height of the geoid relative to a given ellipsoid of reference, is fundamental to transform the ellipsoidal heights into orthometric heights.
G. Ferrara, C. Parente
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STUDY OF THE SUITABILITY OF GLOBAL MODELS GECO, EGM2008 AND EIGEN-6C4 TO THE TERRITORY OF VIETNAM [PDF]
Успехи современного естествознания (Advances in Current Natural Sciences), 2021 High anomaly also known as geoid height , is a fundamental quantity in geodesy that can be measured directly (by combining GPS and leveling), or calculated from a local quasi-geoid, or global geoid models.
T. Phung +3 more
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Engineering, 2020 This paper focuses on estimating a new high-resolution Earth’s gravity field model named SGG-UGM-2 from satellite gravimetry, satellite altimetry, and Earth Gravitational Model 2008 (EGM2008)-derived gravity data based on the theory of the ellipsoidal ...
Wei Liang +4 more
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Geodetski VestnikIn Algeria, the lack of dense and accurate gravity data has restricted the production of a precise geoid model, which serves as the means of deriving orthometric heights from GPS observations.
Aicha Derkaoui, Messaoud Hacini
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Candidates for multiple impact craters?: Popigai and Chicxulub as seen by the global high resolution gravitational field model EGM2008 [PDF]
Solid Earth, 2010 In 2008 the new Earth Gravitational Model (EGM2008) was released. It contains a complete set of spherical harmonic coefficients of the Earth's gravitational potential (Stokes parameters) to degree 2190 and order 2159 and selected orders to degree 2190 ...
J. Klokočník +5 more
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GECO: a global gravity model by locally combining GOCE data and EGM2008
Studia Geophysica et Geodaetica, 2016 The EGM2008 model is nowadays one of the description of the global gravitational field at the highest resolution. It is delivered with two, not fully consistent, sources of information on its error: spherical harmonic coefficient variances and a geographical map of error variances, e.g. in terms of geoid undulation.
M. Gilardoni, M. Reguzzoni, D. Sampietro
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Research on GPS Level Fitting Based on EGM2008 Model
IOP Conference Series: Earth and Environmental Science, 2019 In order to improve the accuracy of GPS leveling fitting, a method of leveling fitting based on the EGM2008 gravity field is proposed, which uses the “remove-restore” method.
Zhouyang Dong +3 more
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Performance evaluation of the Earth Gravitational Model 2008 (EGM2008) – a case study
South African Journal of Geomatics, 2017 Ghana’s local geodetic reference network when pick data with the GPS is being reference to the World Geodetic System 1984, with data in latitude, longitude and ellipsoidal height.
M. S. Peprah +2 more
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