| Abstract: | In August 1981 the International Association of Geomagnetism and Aeronomy revised the International Geomagnetic Reference Field (IGRF). It is the second revision since the inception of the IGRF in 1968. The revision extends the earlier series of IGRF models from 1980 to 1985, introduces a new series of definitive models for 1965-1976, and defines a provisional reference field for 1975- 1980. The revision consists of: 1) a model of the main geomagnetic field at 1980.0, not continuous with the earlier series of IGRF models together with a forecast model of the secular variation of the main field during 1980-1985; 2) definitive models of the main field at 1965.0, 1970.0, and 1975.0, with linear interpolation of the model coefficients specified for intervening dates; and 3) a provisional reference field for 1975-1980, defined as the linear interpolation of the 1975 and 1980 main-field models.-from Author |
| Genre: | Article |
| ProdID: | 70011454 |
| Citation Author: | Peddie, N. W. |
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| Citation End Page: | 326 |
| Citation Issue: | 6 |
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| Citation Language: | English |
| Citation Larger Work Title: | Journal of Geomagnetism & Geoelectricity |
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| Citation Number Of Pages: | 18 |
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| Citation Search Results Text: | International Geomagnetic Reference Field: the third generation.; 1982; Article; Journal; Journal of Geomagnetism & Geoelectricity; Peddie, N. W. |
| Citation Start Page: | 309 |
| Citation Volume: | 34 |
| Citation Year: | 1982 |
| Type: | citation/reference |
| Text: | International Geomagnetic Reference Field: the third generation.; 1982; Article; Journal; Journal of Geomagnetism & Geoelectricity; Peddie, N. W. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Fri, 1 Jan 1982 00:00 -0600 |
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