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1. Gravity field modeling in mountainous areas based on band-limited SRBFs

   In this study, a novel two-scale spherical radial basis function (SRBF) modeling method is proposed for regional gravity field determination. First,...

   Zhiwei Ma in Journal of Geodesy

   Article 20 May 2024
   

2. Combination of different observation types through a multi-resolution representation of the regional gravity field using the pyramid algorithm and parameter estimation

   The optimal combination of different types of gravity observations is the key to obtaining a high-resolution and high-precision regional gravity...

   Qing Liu, Michael Schmidt, Laura Sánchez in Journal of Geodesy

   Article Open access 18 October 2022
   

3. Regional gravity field refinement for (quasi-) geoid determination based on spherical radial basis functions in Colorado

   This study presents a solution of the ‘1 cm Geoid Experiment’ (Colorado Experiment) using spherical radial basis functions (SRBFs). As the only group...

   Qing Liu, Michael Schmidt, ... Martin Willberg in Journal of Geodesy

   Article Open access 10 October 2020
   

4. 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...

   Christian Gerlach, Reiner Rummel in Journal of Geodesy

   Article Open access 28 June 2024
   

5. 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...

   R. Klees, D. C. Slobbe in Journal of Geodesy

   Article Open access 24 August 2023
   

6. A methodology for least-squares local quasi-geoid modelling using a noisy satellite-only gravity field model

   The paper is about a methodology to combine a noisy satellite-only global gravity field model (GGM) with other noisy datasets to estimate a local...

   R. Klees, D. C. Slobbe, H. H. Farahani in Journal of Geodesy

   Article Open access 06 November 2017
   

7. Impact of accounting for coloured noise in radar altimetry data on a regional quasi-geoid model

   We study the impact of an accurate computation and incorporation of coloured noise in radar altimeter data when computing a regional quasi-geoid...

   H. H. Farahani, D. C. Slobbe, ... Kurt Seitz in Journal of Geodesy

   Article Open access 27 July 2016
   

8. Global and Regional Gravity Field Determination from GOCE Kinematic Orbit by Means of Spherical Radial Basis Functions

   We present global and regional gravity field models to degree 130 based on the GOCE kinematic orbit from the period 01 November 2009 to 11 January...

   Blažej Bucha, Aleš Bezděk, ... Juraj Janák in Surveys in Geophysics

   Article 23 October 2015
   

9. The choice of the spherical radial basis functions in local gravity field modeling

   The choice of the optimal spherical radial basis function (SRBF) in local gravity field modelling from terrestrial gravity data is investigated....

   R. Tenzer, R. Klees in Studia Geophysica et Geodaetica

   Article 01 July 2008

10. A Comparison of Global and Regional GRACE Models for Land Hydrology

    When using GRACE as a tool for hydrology, many different gravity field model products are now available to the end user. The traditional spherical...

    R. Klees, X. Liu, ... H. H. G. Savenije in Surveys in Geophysics

    Article Open access 01 October 2008
    

11. A data-driven approach to local gravity field modelling using spherical radial basis functions

    We propose a methodology for local gravity field modelling from gravity data using spherical radial basis functions. The methodology comprises two...

    R. Klees, R. Tenzer, ... T. Wittwer in Journal of Geodesy

    Article Open access 02 February 2008