Testing Geomagnetic Reference Field models for 1990-2000 with data from the Trelew Geomagnetic Observatory, Argentina
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| Formato: | Artículo científico |
| Lenguaje: | en |
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Universidad Nacional Autónoma de México
2003
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| _version_ | 1876485224359002112 |
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| author | Marta E. Ghidella |
| author_facet | Marta E. Ghidella |
| contents | Testing Geomagnetic Reference Field models for 1990-2000 with data from the Trelew Geomagnetic Observatory, Argentina Marta E. Ghidella Julio C. Gianibelli Jacqueline Köhn Ciencias de la Tierra IGRF secular variation Trelew observatory (Argentina) Every five years a new International Geomagnetic Reference Field (IGRF) model is released and the secular variation forthe previous period is updated, producing the definitive DGRF model. Once a DGRF is released, the previously calculated magneticanomalies are updated. We show the importance of this correction for the 1995-2000 period, in which the DGRF-IGRFdifference is anomalously large. We document the validity of the correction by using data from the permanent geomagneticObservatory of Trelew, Argentina. 2003 artículo científico 0016-7169 https://www.redalyc.org/articulo.oa?id=56842406 en http://www.redalyc.org/revista.oa?id=568 Geofísica Internacional application/pdf Universidad Nacional Autónoma de México Geofísica Internacional (México) Num.4 Vol.42 |
| format | Artículo científico |
| id | redalyc_56842406 |
| institution | Redalyc |
| language | en |
| publishDate | 2003 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | Testing Geomagnetic Reference Field models for 1990-2000 with data from the Trelew Geomagnetic Observatory, Argentina Marta E. Ghidella Ciencias de la Tierra IGRF secular variation Trelew observatory (Argentina) Testing Geomagnetic Reference Field models for 1990-2000 with data from the Trelew Geomagnetic Observatory, Argentina Marta E. Ghidella Julio C. Gianibelli Jacqueline Köhn Ciencias de la Tierra IGRF secular variation Trelew observatory (Argentina) Every five years a new International Geomagnetic Reference Field (IGRF) model is released and the secular variation forthe previous period is updated, producing the definitive DGRF model. Once a DGRF is released, the previously calculated magneticanomalies are updated. We show the importance of this correction for the 1995-2000 period, in which the DGRF-IGRFdifference is anomalously large. We document the validity of the correction by using data from the permanent geomagneticObservatory of Trelew, Argentina. 2003 artículo científico 0016-7169 https://www.redalyc.org/articulo.oa?id=56842406 en http://www.redalyc.org/revista.oa?id=568 Geofísica Internacional application/pdf Universidad Nacional Autónoma de México Geofísica Internacional (México) Num.4 Vol.42 |
| title | Testing Geomagnetic Reference Field models for 1990-2000 with data from the Trelew Geomagnetic Observatory, Argentina |
| topic | Ciencias de la Tierra IGRF secular variation Trelew observatory (Argentina) |
| url | https://www.redalyc.org/articulo.oa?id=56842406 |