Results 191 to 200 of about 3,699 (225)

Interpretation of gravity data derived from the Earth Gravitational Model EGM2008 in the Center-North Cameroon: structural and mining implications

Arabian Journal of Geosciences, 2017
Joseph Mvondo Ondoa
exaly   +2 more sources

Utilization of high-resolution EGM2008 gravity data for geological exploration over the Singhbhum-Orissa Craton, India

Geocarto International, 2016
Sanjit Kumar Pal, Satya Narayan
exaly   +2 more sources

Geological mapping of Jharia Coalfield, India using GRACE EGM2008 gravity data: a vertical derivative approach

Geocarto International, 2015
Sanjit Kumar Pal
exaly   +2 more sources

Structural and tectonic interpretation of EGM2008 gravity data around the Laccadive ridge in the Western Indian Ocean: an implication to continental crust

Geocarto International, 2020
The present study attempts to structural and tectonic interpretation around the Laccadive ridge in the Western Indian Ocean using EGM2008 Bouguer gravity data.
U. Kumar, S. Narayan, S. Pal
semanticscholar   +1 more source

Assessment of Orthometric Height Derived from Levelling, GNSS and EGM2008 Geoid Model in Bangladesh

International Conference on the Software Process, 2020
The use of GNSS to determine the orthometric height requires a geoid model which is used as a transformation linkage between ellipsoidal height and orthometric height. GNSS derived ellipsoidal height is purely mathematical, having no physical meaning. So,
Muhammad Abdul Alim Sikder, Falin Wu, Wasiu Akande Ahmed, Thippawan Thodsan, Yan Zhao   +4 more
semanticscholar   +1 more source

Is Australian Data Really Validating EGM2008, or Is EGM2008 Just in/Validating Australian Data?

2010
The tide-free release of the EGM2008 combined global geopotential model and its pre-release PGM2007A are compared with Australian land and marine gravity observations, co-located GPS-levelling on the [admittedly problematic] Australian Height Datum, astrogeodetic deflections of the vertical, and the AUSGeoid98 regional gravimetric quasigeoid model. The
S. J. Claessens, W. E. Featherstone, I. M. Anjasmara   +2 more
openaire   +1 more source

An oblate ellipsoidal approach to update a high-resolution geopotential model over the oceans: Study case of EGM2008 and DTU10

Advances in Space Research, 2016
Josef Sebera, Ales Bezdek, Jan Kostelecký   +2 more
exaly   +2 more sources

Combining EGM2008 with GOCE Gravity Models

2013
The most advanced global gravity model, EGM2008, is nowadays competing with local models in terms of resolution and accuracy in the definition of the Earth gravity field. This global model, complete to spherical harmonic degree and order 2159, is however affected by several biases mainly due to datum inconsistencies and variability of the input ...
GILARDONI, MADDALENA, REGUZZONI, MIRKO, D. Sampietro, SANSO', FERNANDO   +3 more
openaire   +1 more source

Study on the Methods of Refining the Quasi-Geoid Based on EGM2008

2011 International Conference on Control, Automation and Systems Engineering (CASE), 2011
According to the existing problems that gravity data, digital elevation model are very difficult to obtain in China. The method of refining the geoid with the new "remove-restore" technique based on model geoid height calculated by EGM2008 and model geoid height, model height anomaly calculated by EGM96 are studied respectively.
Hongbin Ma, Guoqing Zhang, Qiling Hu, Liguo Wu, Dongyang Lu, Dongshun Liu   +5 more
openaire   +1 more source

Geoid refinement of Songyuan irrigation area based on EGM2008 and GPS

2011 International Conference on Electronics, Communications and Control (ICECC), 2011
Local or regional geoid refinement is the primary commission for the elevation datum. Taking the GPS network of Songyuan irrigation area as an example, this paper refined the local geoid based on the quadratic surface fitting and spatial interpolation of height anomaly, and on the same algorithms of residuals between height anomaly and geoid undulation
Wu Qiong, Yang Guodong
openaire   +1 more source