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 …

Gyres, jets and waves in the Earth's core

CC Finlay, N Gillet, J Aubert, PW Livermore… - Nature Reviews Earth & …, 2023 - nature.com
Turbulent motions of liquid metal in Earth's outer core generate the geomagnetic field.
Magnetic field observations from low-Earth-orbit satellites, together with advanced numerical …

[HTML][HTML] 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 …

[HTML][HTML] CM6: a comprehensive geomagnetic field model derived from both CHAMP and Swarm satellite observations

TJ Sabaka, L Tøffner-Clausen, N Olsen… - Earth, Planets and …, 2020 - Springer
From the launch of the Ørsted satellite in 1999, through the CHAMP mission from 2000 to
2010, and now with the Swarm constellation mission starting in 2013, satellite magnetometry …

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 …

Geomagnetic jerks and rapid hydromagnetic waves focusing at Earth's core surface

J Aubert, CC Finlay - Nature Geoscience, 2019 - nature.com
Geomagnetic jerks are abrupt changes in the second time derivative—the secular
acceleration—of Earth's magnetic field that punctuate ground observatory records. As their …

Satellite magnetic data reveal interannual waves in Earth's core

N Gillet, F Gerick, D Jault… - Proceedings of the …, 2022 - National Acad Sciences
The Earth's magnetic field displays variations on a broad range of time scales, from years to
hundreds of millions of years. The last two decades of global and continuous satellite …

Integrating pre-earthquake signatures from different precursor tools

E Ghamry, EK Mohamed, MS Abdalzaher… - IEEE …, 2021 - ieeexplore.ieee.org
Potential earthquake precursors include, among others, electromagnetic fields, gas
emissions, Land Surface Temperature (LST), Sea Surface Temperature (SST), and Surface …

A relatively dry mantle transition zone revealed by geomagnetic diurnal variations

H Zhang, GD Egbert, Q Huang - Science Advances, 2022 - science.org
The distribution of water within the mantle transition zone (MTZ) has important implications
for the material circulation and partial melting of the mantle. Although solubility of hydrogen …

[HTML][HTML] COV-OBS. x2: 180 years of geomagnetic field evolution from ground-based and satellite observations

L Huder, N Gillet, CC Finlay, MD Hammer… - Earth, Planets and …, 2020 - Springer
We present the geomagnetic field model COV-OBS. x2 that covers the period 1840–2020. It
is primarily constrained by observatory series, satellite data, plus older surveys. Over the …