On determination of the geoid from measured gradients of the Earth's gravity field potential
The geoid is an equipotential surface of the static Earth's gravity field which plays a
fundamental role in definition of physical heights related to the mean sea level (orthometric …
fundamental role in definition of physical heights related to the mean sea level (orthometric …
New spectro-spatial downscaling approach for terrestrial and groundwater storage variations estimated by GRACE models
The study proposes a new mathematical method, referred to as spectral combination, to
downscale Gravity Recovery And Climate Experiment (GRACE) observations. The goal is to …
downscale Gravity Recovery And Climate Experiment (GRACE) observations. The goal is to …
Validation of space-wise GOCE gravitational gradient grids using the spectral combination method and GNSS/levelling data
The launch of gravity-dedicated satellite missions at the beginning of the new millennium led
to an accuracy improvement of global Earth gravity field models (GGMs). One of these …
to an accuracy improvement of global Earth gravity field models (GGMs). One of these …
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 geoscientific studies. In this …
level, which entirely meets the demands of all technical and geoscientific studies. In this …
Impact of Uncertainty Estimation of Hydrological Models on Spectral Downscaling of GRACE-Based Terrestrial and Groundwater Storage Variation Estimations
Accurately estimating hydrological parameters is crucial for comprehending global water
resources and climate dynamics. This study addresses the challenge of quantifying …
resources and climate dynamics. This study addresses the challenge of quantifying …
Downward continuation of gravitational field quantities to an irregular surface by spectral weighting
In geophysical and geodetic studies, gravity inversion is typically performed such that
observed gravity values are first continued downward onto a regular (planar, spherical or …
observed gravity values are first continued downward onto a regular (planar, spherical or …
Spectral combination of spherical gravitational curvature boundary-value problems
Four solutions of the spherical gravitational curvature boundary-value problems can be
exploited for the determination of the Earth's gravitational potential. In this paper we discuss …
exploited for the determination of the Earth's gravitational potential. In this paper we discuss …
Determination of the regularization parameter to combine heterogeneous observations in regional gravity field modeling
Various types of heterogeneous observations can be combined within a parameter
estimation process using spherical radial basis functions (SRBFs) for regional gravity field …
estimation process using spherical radial basis functions (SRBFs) for regional gravity field …
From satellite gradiometry data to subcrustal stress due to mantle convection
M Eshagh - Pure and Applied Geophysics, 2014 - Springer
Subcrustal stress induced by mantle convection can be determined by the Earth's
gravitational potential. In this study, the spherical harmonic expansion of the simplified …
gravitational potential. In this study, the spherical harmonic expansion of the simplified …
Spectral combination of spherical gradiometric boundary-value problems: a theoretical study
M Eshagh - Pure and applied geophysics, 2012 - Springer
The Earth's gravity potential can be determined from its second-order partial derivatives
using the spherical gradiometric boundary-value problems which have three integral …
using the spherical gradiometric boundary-value problems which have three integral …