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International Geomagnetic Reference Field
Codex
(
@codex,
0
)
Physics
Branches of physics
Electromagnetism
Magnetism
Geomagnetic field
2026-10-25
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An international
reference
model
of the large-scale internal
geomagnetic field
. Subtracting it
defines
a
reference
residual; it does not remove local cultural sources or all external
time
variation
.
Ancestors
(6)
Geomagnetic field
Magnetism
Electromagnetism
Branches of physics
Physics
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(2)
Past exam of the year 2 of the earth sciences (geology) course of the University of Oxford
/
2023
/
Paper 1
/
5
/
d
/
Solution
Past exam of the year 2 of the earth sciences (geology) course of the University of Oxford
/
2025
/
Paper 3
/
2
/
b
/
Solution
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(1)
codex/igrf
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