A novel geomagnetic satellite constellation: Science and applications

K Zhang - Earth and Planetary Physics, 2022 - eppcgs.org
A novel geomagnetic satellite constellation: Science and applications Page 1 REVIEW
GEOPHYSICS Earth and Planetary Physics 7: 4–21, 2023 doi: 10.26464/epp2023019 A novel …

The CHAOS-7 geomagnetic field model and observed changes in the South Atlantic Anomaly

CC Finlay, C Kloss, N Olsen, MD Hammer… - Earth, Planets and …, 2020 - Springer
We present the CHAOS-7 model of the time-dependent near-Earth geomagnetic field
between 1999 and 2020 based on magnetic field observations collected by the low-Earth …

Recent geomagnetic secular variation from Swarm and ground observatories as estimated in the CHAOS-6 geomagnetic field model

CC Finlay, N Olsen, S Kotsiaros, N Gillet… - Earth, Planets and …, 2016 - Springer
We use more than 2 years of magnetic data from the Swarm mission, and monthly means
from 160 ground observatories as available in March 2016, to update the CHAOS time …

Challenges handling magnetospheric and ionospheric signals in internal geomagnetic field modelling

CC Finlay, V Lesur, E Thébault, F Vervelidou… - Space Science …, 2017 - Springer
Measurements of the Earth's magnetic field collected by low-Earth-orbit satellites such as
Swarm and CHAMP, as well as at ground observatories, are dominated by sources in the …

LCS-1: a high-resolution global model of the lithospheric magnetic field derived from CHAMP and Swarm satellite observations

N Olsen, D Ravat, CC Finlay… - Geophysical Journal …, 2017 - academic.oup.com
We derive a new model, named LCS-1, of Earth's lithospheric field based on four years
(2006 September–2010 September) of magnetic observations taken by the CHAMP satellite …

The CSES global geomagnetic field model (CGGM): an IGRF-type global geomagnetic field model based on data from the China Seismo-Electromagnetic Satellite

Y Yang, G Hulot, P Vigneron, X Shen, Z Zhima… - Earth, Planets and …, 2021 - Springer
Using magnetic field data from the China Seismo-Electromagnetic Satellite (CSES) mission,
we derive a global geomagnetic field model, which we call the CSES Global Geomagnetic …

Extending global continuous geomagnetic field reconstructions on timescales beyond human civilization

S Panovska, CG Constable… - Geochemistry, Geophysics …, 2018 - Wiley Online Library
Study of the late Quaternary geomagnetic field contributes significantly to understanding the
origin of millennial‐scale paleomagnetic secular variations, the structure of geomagnetic …

An accelerating high-latitude jet in Earth's core

PW Livermore, R Hollerbach, CC Finlay - Nature Geoscience, 2017 - nature.com
Observations of the change in Earth's magnetic field—the secular variation—provide
information about the motion of liquid metal within the core that is responsible for the …

A comprehensive model of Earth's magnetic field determined from 4 years of Swarm satellite observations

TJ Sabaka, L Tøffner-Clausen, N Olsen… - Earth, Planets and …, 2018 - Springer
Abstract The European Space Agency's three-satellite constellation Swarm, launched in
November 2013, has provided unprecedented monitoring of Earth's magnetic field via a …

Gyre-driven decay of the Earth's magnetic dipole

CC Finlay, J Aubert, N Gillet - Nature communications, 2016 - nature.com
Direct observations indicate that the magnitude of the Earth's magnetic axial dipole has
decreased over the past 175 years; it is now 9% weaker than it was in 1840. Here we show …