One Hundred Thousand Years of Geomagnetic Field Evolution
Reviews of Geophysics, 2019 Paleomagnetic records from sediments, archeological artifacts, and lava flows provide the foundation for studying geomagnetic field changes over 0–100 ka.
S. Panovska, M. Korte, C. Constable
semanticscholar +3 more sources
International Geomagnetic Reference Field: the thirteenth generation
Earth, Planets and Space, 2021 In December 2019, the International Association of Geomagnetism and Aeronomy (IAGA) Division V Working Group (V-MOD) adopted the thirteenth generation of the International Geomagnetic Reference Field (IGRF). This IGRF updates the previous generation with
P. Alken +64 more
semanticscholar +1 more source
Radiometric Constraints on the Timing, Tempo, and Effects of Large Igneous Province Emplacement
Geophysical Monograph Series, Page 27-82., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jennifer Kasbohm +2 more
wiley +2 more sources
Geomagnetic field shielding over the last one hundred thousand years
Journal of Space Weather and Space Climate, 2022 The geomagnetic field prevents energetic particles, such as galactic cosmic rays, from directly interacting with the Earth’s atmosphere. The geomagnetic field is not static but constantly changing, and over the last 100,000 years, several geomagnetic ...
Gao Jiawei +4 more
doaj +1 more source
Effects of the Laschamps Excursion on Geomagnetic Cutoff Rigidities
Geochemistry, Geophysics, Geosystems, 2022 Today's geomagnetic field can prevent energetic particles, including solar energetic particles and galactic cosmic rays, from directly hitting the Earth's atmosphere.
Jiawei Gao +4 more
doaj +1 more source
A global climatological model of extreme geomagnetic field fluctuations
Journal of Space Weather and Space Climate, 2020 This paper presents a multi-parameter global statistical model of extreme horizontal geomagnetic field fluctuations (dBH/dt), which are a useful input to models assessing the risk of geomagnetically induced currents in ground infrastructure.
N. Rogers +4 more
semanticscholar +1 more source
Frontiers in Earth Science, 2022 As a parameter that quantitatively measures the shielding effect of the Earth’s magnetic field on energetic particles, the geomagnetic cutoff rigidities will change significantly with the long-term change of geomagnetic field.
Wei Chu +6 more
doaj +1 more source
Co-estimation of geomagnetic field and in-orbit fluxgate magnetometer calibration parameters
Earth, Planets and Space, 2020 For the past 20 years, state of the art geomagnetic core field models have relied heavily on magnetic measurements made from space-based instrumentation.
P. Alken, N. Olsen, C. Finlay
semanticscholar +1 more source
Solar flares and variation of local geomagnetic field: Measurements by the Huancayo Observatory over 2001-2010 [PDF]
Serbian Astronomical Journal, 2017 We study the local variation of the geomagnetic field measured by the Huancayo Geomagnetic Observatory, Peru, during 2001-2010. Initially, we sought to relate the SFI values, stored daily in the NOAA's National Geophysical Data Center, with the ...
Carlos Reyes Rafael E. +2 more
doaj +1 more source
Effects of solar wind magnetosphere coupling recorded at different geomagnetic latitudes: Separation of directly-driven and storage/release systems [PDF]
, 2008 The effect on geomagnetic activity of solar wind speed, compared with that of the strength of the interplanetary magnetic field, differs with geomagnetic latitude.
A. P. Rouillard +22 more
core +1 more source