[HTML][HTML] 中国地磁台观测的2014 年地磁急变

康国发, 高国明, 文丽敏, 白春华 - 地球物理学报, 2020 - html.rhhz.net
地磁急变(jerk) 是起源于地球外核并在导电地幔过滤效应后在地球表面观测到的一种地磁现象,
其反映了地核内部某些动力学过程. Jerks 在空间范围上既可以是区域性的, 也可以是全球性的 …

Core surface sub-centennial magnetic flux patches: characteristics and evolution

C Stefan, V Dobrica, C Demetrescu - Earth, Planets and Space, 2017 - Springer
Short-term constituents of the secular variation, at inter-decadal (20–30 years) and sub-
centennial (60–90 years) time scales, present in observatory data and main field models …

Multi-decadal ingredients of the secular variation of the geomagnetic field. Insights from long time series of observatory data

C Demetrescu, V Dobrica - Physics of the Earth and Planetary Interiors, 2014 - Elsevier
The temporal evolution of the geomagnetic field is shown, on data from 24 observatories
with 100–150 years long time series of annual means, to be composed of several …

Planetary scale geomagnetic secular variation foci in the last 400 years

V Dobrica, C Stefan, C Demetrescu - Global and Planetary Change, 2021 - Elsevier
The Earth's surface magnetic field and its secular variation (SV) are composed of several
constituents, at sub-centennial (60–90 years) and inter-decadal (20–30 years) timescales, of …

Geomagnetic field declination: from decadal to centennial scales

V Dobrica, C Demetrescu, M Mandea - Solid Earth, 2018 - se.copernicus.org
Declination annual mean time series longer than 1 century provided by 24 geomagnetic
observatories worldwide, together with 5 Western European reconstructed declination series …

The 2014 geomagnetic jerk observed by geomagnetic observatories in China

GF KANG, GM GAO, LM WEN, CH BAI - Chinese Journal of Geophysics, 2020 - en.dzkx.org
As a geomagnetic phenomenon, the geomagnetic jerk originates from the Earth's outer core,
which is observed on the Earth's surface after the filtering of the conductive mantle. It reflects …

COMPORTAMIENTO SECULAR EN LOS DATOS GEOMAGNÉTICOS DE LOS OBSERVATORIOS PERMANENTES DE ARGENTINA

PA Sallago - Anales (Asociación Física Argentina), 2024 - SciELO Argentina
Resumen SALLAGO, PA. COMPORTAMIENTO SECULAR EN LOS DATOS
GEOMAGNÉTICOS DE LOS OBSERVATORIOS PERMANENTES DE ARGENTINA. An. AFA …

[PDF][PDF] Residual 11-year signal in coefficients of main field models

Several recently developed main geomagnetic field models, based on both observatory and
satellite data (eg, IGRF, CHAOS, GRIMM, COV-OBS), as well as the historical model gufm1 …