The International Geomagnetic Reference Field (IGRF) is a standard mathematical description of the large-scale structure of the Earth's main magnetic...
6 KB (793 words) - 13:19, 28 December 2023
Earth's magnetic field, also known as the geomagnetic field, is the magnetic field that extends from Earth's interior out into space, where it interacts...
78 KB (8,958 words) - 21:07, 14 November 2024
satellites and in geomagnetic observatories. This can be the International Geomagnetic Reference Field (covering a wide time-span in history) or the U.S. World...
10 KB (1,188 words) - 19:06, 16 November 2024
defined by the axis of the geomagnetic dipole, which can be accurately extracted from the International Geomagnetic Reference Field (IGRF). Further, Magnetic...
2 KB (153 words) - 14:48, 18 October 2024
South magnetic pole (redirect from Geomagnetic South Pole)
Southern Hemisphere where the geomagnetic field lines are directed perpendicular to the nominal surface. The Geomagnetic South Pole, a related point, is...
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for developing and maintaining the International Geomagnetic Reference Field, a reference for the magnetic field of the Earth that was adopted in 1968...
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Harris-Priester, and NRL-MSIS; the International Reference Ionosphere model; and the International Geomagnetic Reference Field magnetic field model. FreeFlyer is owned...
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Earth science (category Articles needing additional references from August 2022)
T. I. (December 2010). "International Geomagnetic Reference Field: the eleventh generation". Geophysical Journal International. 183 (3): 1216–1230. Bibcode:2010GeoJI...
26 KB (3,154 words) - 14:53, 20 October 2024
main geomagnetic field must be subtracted from it. The International Geomagnetic Reference Field is usually used for this purpose. This is a large-scale...
19 KB (2,038 words) - 04:01, 16 October 2024
latitude ( λ {\displaystyle \lambda } ). Geomagnetic pole Dipole International Geomagnetic Reference Field (IGRF) Magnetosphere World Magnetic Model...
4 KB (625 words) - 19:32, 16 October 2022
Geomagnetically induced currents (GIC) are electrical currents induced at the Earth's surface by rapid changes in the geomagnetic field caused by space...
16 KB (1,982 words) - 15:58, 26 May 2024
Geomagnetic secular variation refers to changes in the Earth's magnetic field on time scales of about a year or more. These changes mostly reflect changes...
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L. (1996). "2. The present geomagnetic field: analysis and description from historical observations". The magnetic field of the earth: paleomagnetism...
105 KB (12,968 words) - 00:09, 19 October 2024
Earth's magnetic field Dipole model of the Earth's magnetic field Guiding center Geomagnetic latitude International Geomagnetic Reference Field TEP World Magnetic...
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anomalies caused by the minerals in the Earth's crust. International Geomagnetic Reference Field: another model, of similar quality, which models past...
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HD 54879 (section Magnetic field)
et al. (December 2010). "International Geomagnetic Reference Field: the eleventh generation". Geophysical Journal International. 183 (3): 1216–1230. Bibcode:2010GeoJI...
13 KB (1,159 words) - 05:47, 11 November 2024
indices (e.g. K, Dst), the World Magnetic Model and the International Geomagnetic Reference Field. St-Louis, Benoit; INTERMAGNET Operations Committee; INTERMAGNET...
10 KB (1,130 words) - 12:01, 21 April 2024
and related models, the Jacchia model includes latitudinal, seasonal, geomagnetic, and solar effects, but must be supplemented with another model at lower...
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Astrionics (category Articles needing additional references from November 2022)
the magnetic field measurements can be compared to a known magnetic field which is given by the International Geomagnetic Reference Field model. Measurements...
13 KB (1,936 words) - 07:57, 17 February 2024
South Atlantic Anomaly (category Magnetic field of the Earth)
weakening of the geomagnetic field is one of several causes for the changes in the borders of the SAA since its discovery. As the geomagnetic field continues...
16 KB (1,618 words) - 03:42, 2 November 2024
vector). The components of the magnetic field can be obtained directly from the International Geomagnetic Reference Field (IGRF) model. This model is compiled...
69 KB (9,669 words) - 17:00, 9 June 2024
Depending on time of day, season of year, solar weather and Earth's geomagnetic field, a signal might reach around the world. In previous decades shortwave...
45 KB (5,154 words) - 22:17, 25 August 2024
Aurora (category Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference)
about a field line at an angle that is determined by its velocity vectors, parallel and perpendicular, respectively, to the local geomagnetic field vector...
117 KB (13,058 words) - 05:36, 18 November 2024
et al. (December 2010). "International Geomagnetic Reference Field: the eleventh generation". Geophysical Journal International. 183 (3): 1216–1230. Bibcode:2010GeoJI...
13 KB (1,028 words) - 19:57, 6 November 2024
where they can cause geomagnetic storms, aurorae, and in rare cases damage to electrical power grids. The largest recorded geomagnetic perturbation, resulting...
58 KB (6,828 words) - 11:32, 12 September 2024
ISSN 1880-5981. MacMillan, Susan (2007). "IGRF, International Geomagnetic Reference Field" (PDF). Encyclopedia of Geomagnetism and Paleomagnetism. Springer-Verlag...
10 KB (1,161 words) - 06:57, 13 September 2024
Nuclear electromagnetic pulse (category All articles lacking reliable references)
Earth's magnetic field was greater. The damage caused by the resulting EMP was reportedly much greater than in Starfish Prime. The geomagnetic storm–like E3...
76 KB (8,520 words) - 19:12, 4 September 2024
and in the financial field are classified as secular, primary and secondary for long, medium and short time frames. Geomagnetic secular variation refers...
10 KB (1,118 words) - 18:45, 25 October 2024
spacecraft, but that can also affect the atmosphere, ionosphere and geomagnetic field, giving rise to several other kinds of effects on human technologies...
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Ionosphere (category Articles needing additional references from July 2024)
geomagnetic field. The K-index uses a semi-logarithmic scale from 0 to 9 to measure the strength of the horizontal component of the geomagnetic field...
54 KB (6,684 words) - 11:37, 14 November 2024