Results 51 to 60 of about 12,396 (189)
A 100‐year Geoelectric Hazard Analysis for the U.S. High‐Voltage Power Grid
Space Weather, 2020 A once‐per‐century geoelectric hazard map is created for the U.S. high‐voltage power grid. A statistical extrapolation from 31 years of magnetic field measurements is made by identifying 84 geomagnetic storms with the Kp and Dst indices.
G. M. Lucas +4 more
doaj +1 more source
A comparison of ground-based hydroxyl airglow temperatures with SABER/TIMED measurements over 23° N, India [PDF]
Annales Geophysicae, 2017 Ground-based observations of OH (6, 2) Meinel band nightglow were carried out at Ranchi (23.3° N, 85.3° E), India, during January–March 2011, December 2011–May 2012 and December 2012–March 2013 using an all-sky imaging system.
N. Parihar, D. Singh, S. Gurubaran
doaj +1 more source
Geomagnetism : review 2009 [PDF]
, 2010 The Geomagnetism team measures, records, models and interprets variations in the Earth’s natural magnetic fields, across the world and over time. Our data and expertise help to develop scientific understanding of the evolution of the solid Earth and its ...
Thomson, Alan W.P.
core
Mechanochemical Enhancement of Siderite‐To‐Magnetite Conversion in Faults
Geophysical Research Letters, Volume 53, Issue 5, 16 March 2026.Abstract Magnetic phases in fault rocks offer potential “geothermometers” for estimating frictional heating during fault slip. However, the thermochemical kinetics of magnetic minerals subjected to shear deformation in hydrothermal fluids‐conditions typical of natural faults ‐ remains poorly understood, hindering accurate temperature estimates.
Tingting Du +7 more
wiley +1 more source
E3S Web of Conferences, 2018 Aquifers along the coastal regions around the world are facing severe level of saline water intrusion problems. Rapid development and the associated increase in groundwater withdrawals intensify the problem.
Suneetha N., Gupta Gautam
doaj +1 more source
Geophysical Research Letters, Volume 53, Issue 5, 16 March 2026.Abstract The Curie Point Depth (CPD) is a key thermal boundary in the deep lithosphere and is widely used to constrain its thermal structure. However, uncertainties in magnetization and the non‐uniqueness of inversion lead to considerable inter‐study differences.
Chuanjie Chen +3 more
wiley +1 more source
Earth and Space Science, Volume 13, Issue 3, March 2026.Abstract In this paper, Singular Spectral Analysis (SSA) is applied to the geomagnetic field to delineate signatures from different sources, such as geomagnetic variability and lithospheric processes. We performed SSA on the Y component of the Swarm satellite magnetic field By during the period from September 2023 to January 2024. Eigen values obtained
Amrita Yadav +4 more
wiley +1 more source
A low-power data acquisition system for geomagnetic observatories and variometer stations [PDF]
Geoscientific Instrumentation, Methods and Data Systems, 2017 A modern geomagnetic observatory must provide data of high stability, continuity, and resolution. The INTERMAGNET network has therefore specified quantitative criteria to ensure a high quality standard of geomagnetic observatories.
A. Morschhauser +4 more
doaj +1 more source
Magnetic‐A: The New R‐Based Toolbox for Analysis of Paleomagnetic Data
Earth and Space Science, Volume 13, Issue 3, March 2026.Abstract Paleomagnetic remanence in rocks and sediments provides a unique means to constrain stratigraphic records in both space and time. This is because of the symmetry of the paleomagnetic field with respect to Earth's spin axis over geological time, and the global synchronicity of magnetic field reversals.
E. Dallanave
wiley +1 more source
Simultaneous OI 630 nm imaging observations of thermospheric gravity waves and associated revival of fossil depletions around midnight near the equatorial ionization anomaly (EIA) crest [PDF]
Annales GeophysicaeWe report F-region airglow imaging of fossil plasma depletions around midnight that revived afresh under persisting thermospheric gravity wave (GW) activity. An all-sky imager recorded these events in OI 630 nm imaging over Ranchi (23.3° N, 85.3° E; mlat.
N. Parihar +5 more
doaj +1 more source