Recent results based on continuous GPS observations of the GIA process in Fennoscandia from BIFROST

M Lidberg, JM Johansson, HG Scherneck… - Journal of …, 2010 - Elsevier
We present the latest 3D velocity field of the Fennoscandian glacial isostatic adjustment
(GIA) process from BIFROST. It is derived from more than 4800 days (13 years) of data at …

Deterministic, stochastic, hybrid and band-limited modifications of Hotine's integral

WE Featherstone - Journal of Geodesy, 2013 - Springer
Abstract Global Navigation Satellite System positioning of gravity surveys permits geoid
computation via Hotine's integral. A suite of modifications is presented so that the user can …

A new gravimetric geoid model for Sudan using the KTH method

A Abdalla, D Fairhead - Journal of African earth sciences, 2011 - Elsevier
Sudan is characterized by vast area with flat terrains in most of the country's regions and
therefore the existence of a high-resolution geoid model is considered very important …

Regional gravity field modeling: theory and practical results

H Denker - Sciences of Geodesy-II: Innovations and Future …, 2012 - Springer
Geodesy, with its three core areas positioning and reference systems, Earth rotation
determination, and gravity field modeling, is striving for a relative accuracy of at least 10− 9 …

High-resolution geoid modeling using least squares modification of Stokes and Hotine formulas in Colorado

MS Işık, B Erol, S Erol, FF Sakil - Journal of geodesy, 2021 - Springer
The Colorado geoid experiment was initiated and organized as a joint study by the Joint
Working Group (JWG) 2.2. 2 (1-cm geoid experiment) of the International Association of …

A discussion on the approximations made in the practical implementation of the remove–compute–restore technique in regional geoid modelling

LE Sjöberg - Journal of Geodesy, 2005 - Springer
The remove-compute-restore (RCR) technique is the most well known method for regional
gravimetric geoid determination today. Its basic theory is the first-order approximation of …

Improvement of GOCE-based global geopotential models for gravimetric geoid modeling in Turkey

MS Isik, MR Çevikalp, B Erol, S Erol - Geosciences, 2022 - mdpi.com
This study investigates the contribution of global geopotential models which are calculated
with GOCE satellite mission data to the improvement of gravimetric geoid models in Turkey …

Collocation and FFT-based geoid estimation within the Colorado 1 cm geoid experiment

VN Grigoriadis, GS Vergos, R Barzaghi, D Carrion… - Journal of …, 2021 - Springer
In the frame of the International Association of Geodesy Joint Working Group 2.2. 2 “The 1
cm geoid experiment”, terrestrial and airborne gravity datasets along with GPS/leveling data …

Suspending Light‐Absorbing Nanoparticles in Silica Aerogel Enables Numerous Superblacks

G Li, L Wang, X Ji, X Zhang - Advanced Materials, 2024 - Wiley Online Library
Current strategies for constructing sparse nanostructures for fabricating superblacks are only
suitable for a few light‐absorbing materials, severely limiting their applications. Herein, ultra …

Contribution of GRAV-D airborne gravity to improvement of regional gravimetric geoid modelling in Colorado, USA

M Varga, M Pitoňák, P Novák, T Bašić - Journal of Geodesy, 2021 - Springer
This paper studies the contribution of airborne gravity data to improvement of gravimetric
geoid modelling across the mountainous area in Colorado, USA. First, airborne gravity data …