The SARAL/AltiKa mission: A step forward to the future of altimetry

J Verron, P Bonnefond, O Andersen, F Ardhuin… - Advances in Space …, 2021 - Elsevier
The CNES/ISRO altimetric satellite SARAL/AltiKa was launched in February 2013 and since
then has provided useful data for various scientific and operational applications in …

The first pan-Alpine surface-gravity database, a modern compilation that crosses frontiers

P Zahorec, J Papčo, R Pašteka, M Bielik… - Earth System …, 2021 - essd.copernicus.org
The AlpArray Gravity Research Group (AAGRG), as part of the European AlpArray program,
focuses on the compilation of a homogeneous surface-based gravity dataset across the …

A hybrid binary grey wolf optimizer for selection and reduction of reference points with extreme learning machine approach on local GNSS/leveling geoid …

K Tütüncü, MA Şahman, E Tuşat - Applied Soft Computing, 2021 - Elsevier
Modeling and optimization from natural phenomena and observations of the physical earth
is an extremely important issue. In the light of the developments in computer and artificial …

Comparison and evaluation of high-resolution marine gravity recovery via sea surface heights or sea surface slopes

S Zhang, A Abulaitijiang, OB Andersen, DT Sandwell… - Journal of …, 2021 - Springer
There are two dominating approaches of modeling the marine gravity field based on satellite
altimetry observations. In this study, the marine gravity field is determined in four selected …

High-resolution gravity measurements on board an autonomous underwater vehicle: data reduction and accuracy assessment

DT Vu, J Verdun, J Cali, M Maia, C Poitou, J Ammann… - Remote Sensing, 2024 - mdpi.com
Gravity on Earth is of great interest in geodesy, geophysics, and natural resource
exploration. Ship-based gravimeters are a widely used instrument for the collection of …

[HTML][HTML] Local Gravity and Geoid Improvements around the Gavdos Satellite Altimetry Cal/Val Site

GS Vergos, IN Tziavos, S Mertikas, D Piretzidis… - Remote Sensing, 2024 - mdpi.com
The isle of Gavdos, and its wider area, is one of the few places worldwide where the
calibration and validation of altimetric satellites has been carried out during the last, more …

GOCE downward continuation to the Earth's surface and improvements to local geoid modeling by FFT and LSC

DA Natsiopoulos, EG Mamagiannou, EA Pitenis… - Remote Sensing, 2023 - mdpi.com
One of the main applications of the gravity field and steady-state Ocean Circulation Explorer
(GOCE) satellite data is their combination with local gravity anomalies for geoid and gravity …

[HTML][HTML] Аппроксимация геоида методами сплайн-функций

ИВ Ююкин - … университета морского и речного флота им …, 2020 - cyberleninka.ru
Актуализирована концепция навигационного пространства позиционированием судна
тремя фиксированными координатами на геодезической основе «морского геоида». С …

Evaluation of latest marine gravity field models derived from satellite altimetry over the Gulf of Guinea (Central Africa) with shipborne gravity data

PG Kamto, L Yap, S Nguiya, LH Kandé… - Studia Geophysica et …, 2022 - Springer
The marine gravity field is vital for mapping various submarine geological and tectonic
structures, also for computation of high-resolution gravimetric geoid. This study aims to …

[PDF][PDF] Hybrid Geoid Modeling for the Kingdom of Saudi Arabia

RS Grebenitcharsky, GS Vergos… - Gravity, Positioning …, 2022 - library.oapen.org
A significant improvement in the accuracy and homogeneity has been achieved with the
new gravimetric geoid model for the Kingdom of Saudi Arabia (KSA-Geoid21GRAV) wrt the …