Results 151 to 160 of about 13,823 (196)
Nighttime ionospheric irregularity during intense geomagnetic storm events over the Europe-African longitudinal sector. [PDF]
HeliyonKassa Y, Tebabal A, Damtie B.
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Influence of Solar Wind High-Speed Streams on the Brazilian Low-Latitude Ionosphere During the Descending Phase of Solar Cycle 24. [PDF]
Space WeatherMoraes-Santos SP +7 more
europepmc +1 more source
Monitoring May 2024 solar and geomagnetic storm using broadband seismometers. [PDF]
Sci RepDíaz J.
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Geoelectric fields and geomagnetically induced currents during the April 23-24, 2023 geomagnetic storm. [PDF]
Sci RepWawrzaszek A +5 more
europepmc +1 more source
How Do Core Surface Flow Models Vary When Inverted from IGRF-14 Candidate Field Models?
Rogers HF, Mandea M.
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Reviews of Geophysics, 1972
The purpose of this review is to outline the definition and method of derivation of the indices of geomagnetic activity that are most commonly used at present. The first part of the review presents the methods of derivation of Kp, ap, AE, and Dst; the second part involves a discussion of the strengths and weaknesses of each index.
openaire +3 more sources
The purpose of this review is to outline the definition and method of derivation of the indices of geomagnetic activity that are most commonly used at present. The first part of the review presents the methods of derivation of Kp, ap, AE, and Dst; the second part involves a discussion of the strengths and weaknesses of each index.
openaire +3 more sources
1996
The predominant part of the geomagnetic field, as observed at the Earth’s surface, originates from sources in the Earth’s core and, to a lesser degree, in the Earth’s crust. Spatial distribution and secular variation of this internal part were described, e.g., by Schmucker (1985).
Walter Dieminger +2 more
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The predominant part of the geomagnetic field, as observed at the Earth’s surface, originates from sources in the Earth’s core and, to a lesser degree, in the Earth’s crust. Spatial distribution and secular variation of this internal part were described, e.g., by Schmucker (1985).
Walter Dieminger +2 more
openaire +1 more source
Indices of geomagnetic activity
Journal of Atmospheric and Terrestrial Physics, 1975+6 more sources