Table 1 Summary of IGRF generations, their intervals of validity, and related references
From: International Geomagnetic Reference Field: the 12th generation
Full name | Short name | Valid for | Definitive for | Reference |
|---|---|---|---|---|
IGRF 12th generation | IGRF-12 | 1900.0-2020.0 | 1945.0-2010.0 | Thébault et al., this article |
IGRF 11th generation | IGRF-11 | 1900.0-2015.0 | 1945.0-2005.0 | Finlay et al. (2010a) |
IGRF 10th generation | IGRF-10 | 1900.0-2010.0 | 1945.0-2000.0 | Maus et al. (2005) |
IGRF 9th generation | IGRF-9 | 1900.0-2005.0 | 1945.0-2000.0 | Macmillan et al. (2003) |
IGRF 8th generation | IGRF-8 | 1900.0-2005.0 | 1945.0-1990.0 | Mandea and Macmillan (2000) |
IGRF 7th generation | IGRF-7 | 1900.0-2000.0 | 1945.0-1990.0 | Barton (1997) |
IGRF 6th generation | IGRF-6 | 1945.0-1995.0 | 1945.0-1985.0 | Langel (1992) |
IGRF 5th generation | IGRF-5 | 1945.0-1990.0 | 1945.0-1980.0 | Langel et al. (1988) |
IGRF 4th generation | IGRF-4 | 1945.0-1990.0 | 1965.0-1980.0 | Barraclough (1987) |
IGRF 3rd generation | IGRF-3 | 1965.0-1985.0 | 1965.0-1975.0 | Peddie (1982) |
IGRF 2nd generation | IGRF-2 | 1955.0-1980.0 | – | IAGA (1975) |
IGRF 1st generation | IGRF-1 | 1955.0-1975.0 | – | Zmuda (1971) |