Geomagnetic Dipole Moment and Pole Position from IGRF-13, 1900 to 2020
cra:igrf13-dipole-moment-1900-202025 records9 columnsv1.0 · issued 2026-07-21
01Description
The centered dipole moment of Earth's magnetic field and the geomagnetic pole position at each IGRF-13 epoch, computed from the degree-1 Gauss coefficients by the standard formulas. The century-scale decline of the dipole moment is the headline quantity; the computation is fully mechanical and reproducible from the included script.
02Package Contents
| Data file (CSV) | The cleaned series, one record per row |
| README.md | Source, terms, exact cleaning steps, column definitions, limitations, citation |
| Preparation script | Reproduces the CSV mechanically from the named source file(s) |
| CHECKSUMS.txt | SHA-256 for every file in the package |
Dataset Recordcra:igrf13-dipole-moment-1900-2020
Series
Geomagnetic Field
Coverage
Epochs 1900.0 to 2020.0, 5-year spacing
Resolution
5-year model epochs
Extent
25 records × 9 columns
Version
v1.0 · issued 2026-07-21
Source
Computed from IAGA IGRF-13, degree-1 terms
Package
cra_igrf13_dipole_moment_1900_2020_v1.0.zip · 18 KB
Data file SHA-256
ed96631b34b7a2de62bd4fc58d7cfb262d137c6f1f7a47a263f99db7c3d3cf98
03Delivery
Resolving member access.