Data requirements for the determination of a sub-centimetre geoid

I Foroughi, M Goli, S Pagiatakis, S Ferguson… - Earth-Science …, 2023 - Elsevier
Recent applications in Earth sciences require geoid models to be determined with a sub-
centimetre internal error. Regional models of the geoid are usually determined using …

A comparative assessment of different interpolation algorithms for prediction of GNSS/levelling geoid surface using scattered control data

S Erol, B Erol - Measurement, 2021 - Elsevier
The determination of point heights from a physical reference surface is still a challenge in
geodetic and surveying applications today. Precise geoid models are used to obtain the …

Improving accuracy of local geoid model using machine learning approaches and residuals of GPS/levelling geoid height

MR Kaloop, S Pijush, M Rabah, H Al-Ajami, JW Hu… - Survey …, 2022 - Taylor & Francis
This study aims to use GPS/Levelling data and machine learning techniques (MLs) to model
a high precision local geoid for Kuwait. To improve the accuracy of a local geoid the global …

[PDF][PDF] Determination and validation of the Turkish Geoid Model-2020 (TG-20)

H Yildiz, M Simav, E Sezen, I Akpinar… - Bull. Geophys …, 2021 - researchgate.net
ABSTRACT A new hybrid geoid model for Turkey entitled Turkish Geoid Model-2020 (TG-
20) has been determined and validated using historical and recently acquired terrestrial …

Assessment of gridded gravity anomalies for precise geoid modeling in Turkey

B Erol, MS Işık, S Erol - Journal of surveying engineering, 2020 - ascelibrary.org
High-accuracy and homogeneously distributed dense terrestrial gravity observations are
essential data for detailed analysis of the Earth gravity field as well as for precise modeling …

[PDF][PDF] ASSESSING THE IMPACT OF METHODOLOGICAL DIFFERENCES ON GEOID MODEL PERFORMANCE.

K PRIJATNA, R LESTARI, B BRAMANTO… - Geographia …, 2024 - technicalgeography.org
The geoid serves as a critical reference surface for precise mapping applications,
particularly in the context of satellite-based positioning systems like the Global Navigation …

[PDF][PDF] Determination of gravity anomalies in Java, Indonesia, from airborne gravity survey

B Bramanto, K Prijatna, AM Pahlevi… - TAO: Terrestrial …, 2021 - researchgate.net
ABSTRACT The Geospatial Information Agency of Indonesia (BIG) recently carried out an
airborne gravity survey mission to support a reliable Indonesian geoid model. The gravity …

Two alternative techniques for fitting the gravimetric geoid for Egypt

ABDE Hussein, A MAKHLOOF - Contributions to Geophysics and …, 2023 - journal.geo.sav.sk
In this paper, two proposed geoid fitting techniques for Egypt's gravimetrically determined
geoid and Global Positioning System GPS/levelling-derived geoid are introduced. First, any …

Two alternative techniques for fitting the gravimetric geoid for Egypt.

H ABD-ELMOTAAL… - … to Geophysics & Geodesy, 2023 - search.ebscohost.com
In this paper, two proposed geoid fitting techniques for Egypt's gravimetrically determined
geoid and Global Positioning System GPS/levelling-derived geoid are introduced. First, any …

Definition of the local geoid undulation using non-contemporary GNSS-levelling data on subsidence area: Application on the adriatic coastline

L Tavasci, E Vecchi, S Gandolfi - Italian Conference on Geomatics and …, 2021 - Springer
The knowledge of the so-called geoid undulation, which represents the height of the geoid
above a reference ellipsoid, is a fundamental step to link ellipsoidal heights measured using …