The magnetic field of the Earth's lithosphere
E Thébault, M Purucker, KA Whaler, B Langlais… - Space science …, 2010 - Springer
The lithospheric contribution to the Earth's magnetic field is concealed in magnetic field data
that have now been measured over several decades from ground to satellite altitudes. The …
that have now been measured over several decades from ground to satellite altitudes. The …
Rapid variations of Earth's core magnetic field
Evidence of fast variations in the Earth's core field are seen both in magnetic observatory
and satellite records. We present here how they have been identified at the Earth's surface …
and satellite records. We present here how they have been identified at the Earth's surface …
Regional gravity modeling in terms of spherical base functions
M Schmidt, M Fengler, T Mayer-Gürr, A Eicker… - Journal of …, 2007 - Springer
This article provides a survey on modern methods of regional gravity field modeling on the
sphere. Starting with the classical theory of spherical harmonics, we outline the transition …
sphere. Starting with the classical theory of spherical harmonics, we outline the transition …
Coseismic and post-seismic signatures of the Sumatra 2004 December and 2005 March earthquakes in GRACE satellite gravity
The GRACE satellite mission has been measuring the Earth's gravity field and its temporal
variations since 2002 April. Although these variations are mainly due to mass transfer within …
variations since 2002 April. Although these variations are mainly due to mass transfer within …
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 steps: in step 1, gravity data (gravity …
radial basis functions. The methodology comprises two steps: in step 1, gravity data (gravity …
Upper mantle rheology from GRACE and GPS postseismic deformation after the 2004 Sumatra‐Andaman earthquake
Mantle rheology is one of the essential, yet least understood, material properties of our
planet, controlling the dynamic processes inside the Earth's mantle and the Earth's response …
planet, controlling the dynamic processes inside the Earth's mantle and the Earth's response …
Multiscale estimation of GPS velocity fields
We present a spherical wavelet-based multiscale approach for estimating a spatial velocity
field on the sphere from a set of irregularly spaced geodetic displacement observations …
field on the sphere from a set of irregularly spaced geodetic displacement observations …
Solving or resolving global tomographic models with spherical wavelets, and the scale and sparsity of seismic heterogeneity
We propose a class of spherical wavelet bases for the analysis of geophysical models and
for the tomographic inversion of global seismic data. Its multiresolution character allows for …
for the tomographic inversion of global seismic data. Its multiresolution character allows for …
Wavelet frames: an alternative to spherical harmonic representation of potential fields
Potential fields are classically represented on the sphere using spherical harmonics.
However, this decomposition leads to numerical difficulties when data to be modelled are …
However, this decomposition leads to numerical difficulties when data to be modelled are …
Deep mass redistribution prior to the 2010 Mw 8.8 Maule (Chile) Earthquake revealed by GRACE satellite gravity
Subduction zones megathrust faults constitute a considerable hazard as they produce most
of the world's largest earthquakes. However, the role in megathrust earthquake generation …
of the world's largest earthquakes. However, the role in megathrust earthquake generation …