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A user-friendly software package for modelling gravimetric geoid by the classical Stokes-Helmert method
With the progress in Global Navigation Satellite Systems (GNSS) technology, accurate geoid modelling has started to play an essential role in...
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Improving the Accuracy of Local Gravimetric Geoid Modelling Using Simulated Terrestrial Gravity Data
Geodetic observations in any country or region require a precise local geoid model. Hence, this study has improved the geoid modelling using...
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Geoid model determination for the Hellenic area “Hellas Geoid 2023”
The latest geoid model "HELLAS GEOID 2023" (HG2023) derived by the Hellenic Military Geographical Service is the most comprehensive model for the...
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A practical software package for computing gravimetric geoid by the least squares modification of Hotine’s formula
Today’s geodetic community starts to model an accurate gravimetric geoid within a 5 mm level, which entirely meets the demands of all technical and...
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Refinement of gravimetric geoid model by incorporating terrestrial, marine, and airborne gravity using KTH method
We compute a new gravimetric geoid model for Peninsular Malaysia (PMGG2020) based on the Royal Institute of Technology (KTH) method. The PMGG2020 was...
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Hybrid geoid model over peninsular Malaysia (PMHG2020) using two approaches
We describe the development of a hybrid geoid model for Peninsular Malaysia, based on two approaches. The first approach is utilising an ordinary...
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Geoid or Quasi-Geoid? A Short Comparison
This article is a short introduction to the debate on choosing the geoid and orthometric heights or the quasi-geoid and normal heights as the... -
On the topographic bias by analytical continuation in geoid determination
We consider the topographic bias in gravimetric geoid determination when analytically downward continuing the disturbing potential from the Earth’s...
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Geoid modeling with least squares modification of Hotine’s integral using gravity disturbances in Turkey
This study aims to investigate the regional gravimetric geoid modeling accuracy performance using least squares modification of Hotine’s integral...
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Benefit of classical leveling for geoid-based vertical reference frames
Classically, vertical reference frames were realized as national or continent-wide networks of geopotential differences derived from geodetic...
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Contribution of GRAV-D airborne gravity to improvement of regional gravimetric geoid modelling in Colorado, USA
This paper studies the contribution of airborne gravity data to improvement of gravimetric geoid modelling across the mountainous area in Colorado,...
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Iterative data assimilation approach for the refinement of marine geoid models using sea surface height and dynamic topography datasets
The modelling errors of marine geoid models may reach up to a few decimetres in the shorter wavelength spectrum due to gravity data void areas and/or...
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Gravimetric Reference of Albania
Gravimetric works in our country date after the liberation of the country, but initially had a partial character and limited only for mining research. -
Gravimetric Geoid Modeling by Stokes and Second Helmert’s Condensation Method in Yogyakarta, Indonesia
Since the last decade, Indonesia has continuously improved the accuracy of the national geoid model by conducting rapid gravity acquisition using... -
Variance–covariance analysis of two high-resolution regional least-squares quasi-geoid models
This paper investigates the full variance–covariance (VC) matrix of two high-resolution regional quasi-geoid models, utilizing a spherical radial...
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Comparative analysis among Asia–Pacific geoid models stored at the ISG repository
Geoid models have important applications in geosciences as well as engineering, for example, for the conversion from ellipsoidal heights observed by...
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Integration of satellite geodetic observations for regional geoid modeling using remove-compute-restore technique
Advanced satellite geodetic systems have contributed to improving knowledge on changes in global gravity fields in recent years. These systems offer...
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Effect of a high-resolution global crustal model on gravimetric geoid determination: a case study in a mountainous region
A precise gravimetric geoid model is determined by using Stokes formula assuming that there is no topography above the geoid. Then, the geoid model...
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Remarks on the Terrain Correction and the Geoid Bias
The incomplete knowledge of the topographic density distribution causes a topographic bias in all gravimetric geoid determinations. This bias becomes... -
Gravimetric geoid modeling from the combination of satellite gravity model, terrestrial and airborne gravity data: a case study in the mountainous area, Colorado
Constructing a high-precision and high-resolution gravimetric geoid model in the mountainous area is a quite challenging task because of the lack of...