A model of the secular change of the geomagnetic field for Antarctica
9 pages, 11 figures, 1 table.-- Available online Nov 7, 2001. An improved model of geomagnetic secular change for the Antarctic was developed using observatory annual mean values measured in Antarctica during the last 40 years. Spherical cap harmonic analysis (SCHA) with a power series time dependen...
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ftcsic:oai:digital.csic.es:10261/12895 2024-02-11T09:55:58+01:00 A model of the secular change of the geomagnetic field for Antarctica Torta, Joan Miquel De Santis, A. Chiappini, M. Frese, R. R. B. von 2002-03-29 198135 bytes application/pdf http://hdl.handle.net/10261/12895 https://doi.org/10.1016/S0040-1951(01)00244-X en eng Elsevier http://dx.doi.org/10.1016/S0040-1951(01)00244-X Tectonophysics 347(1-3): 179-187 (2002) 0262-8856 http://hdl.handle.net/10261/12895 doi:10.1016/S0040-1951(01)00244-X open Antarctica Spherical cap harmonic analysis Magnetic surveys Magnetic mapping Geomagnetic secular variation artículo http://purl.org/coar/resource_type/c_6501 2002 ftcsic https://doi.org/10.1016/S0040-1951(01)00244-X 2024-01-16T09:22:31Z 9 pages, 11 figures, 1 table.-- Available online Nov 7, 2001. An improved model of geomagnetic secular change for the Antarctic was developed using observatory annual mean values measured in Antarctica during the last 40 years. Spherical cap harmonic analysis (SCHA) with a power series time dependence was used to model spatial and temporal variations of main field differences at spatial wavelengths from 3000 to 13,000 km. The model was designed to facilitate merging satellite, airborne, marine and terrestrial magnetic data sets recorded at very different epochs in the Antarctic where significant annual geomagnetic changes have occurred. It improves the fit to observatory data by up to about 50% relative to the International Geomagnetic Reference Field. This research was partially funded by the Italian Programma Nazionale di Ricerche in Antartide (PNRA) and by the Spanish Programa Nacional de Investigación en la Antártida (PNIA, CICYT, Project No. ANT98-0886). Peer reviewed Article in Journal/Newspaper Antarc* Antarctic Antarctica Antártida Antartide Digital.CSIC (Spanish National Research Council) Antarctic The Antarctic Tectonophysics 347 1-3 179 187 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
topic |
Antarctica Spherical cap harmonic analysis Magnetic surveys Magnetic mapping Geomagnetic secular variation |
spellingShingle |
Antarctica Spherical cap harmonic analysis Magnetic surveys Magnetic mapping Geomagnetic secular variation Torta, Joan Miquel De Santis, A. Chiappini, M. Frese, R. R. B. von A model of the secular change of the geomagnetic field for Antarctica |
topic_facet |
Antarctica Spherical cap harmonic analysis Magnetic surveys Magnetic mapping Geomagnetic secular variation |
description |
9 pages, 11 figures, 1 table.-- Available online Nov 7, 2001. An improved model of geomagnetic secular change for the Antarctic was developed using observatory annual mean values measured in Antarctica during the last 40 years. Spherical cap harmonic analysis (SCHA) with a power series time dependence was used to model spatial and temporal variations of main field differences at spatial wavelengths from 3000 to 13,000 km. The model was designed to facilitate merging satellite, airborne, marine and terrestrial magnetic data sets recorded at very different epochs in the Antarctic where significant annual geomagnetic changes have occurred. It improves the fit to observatory data by up to about 50% relative to the International Geomagnetic Reference Field. This research was partially funded by the Italian Programma Nazionale di Ricerche in Antartide (PNRA) and by the Spanish Programa Nacional de Investigación en la Antártida (PNIA, CICYT, Project No. ANT98-0886). Peer reviewed |
format |
Article in Journal/Newspaper |
author |
Torta, Joan Miquel De Santis, A. Chiappini, M. Frese, R. R. B. von |
author_facet |
Torta, Joan Miquel De Santis, A. Chiappini, M. Frese, R. R. B. von |
author_sort |
Torta, Joan Miquel |
title |
A model of the secular change of the geomagnetic field for Antarctica |
title_short |
A model of the secular change of the geomagnetic field for Antarctica |
title_full |
A model of the secular change of the geomagnetic field for Antarctica |
title_fullStr |
A model of the secular change of the geomagnetic field for Antarctica |
title_full_unstemmed |
A model of the secular change of the geomagnetic field for Antarctica |
title_sort |
model of the secular change of the geomagnetic field for antarctica |
publisher |
Elsevier |
publishDate |
2002 |
url |
http://hdl.handle.net/10261/12895 https://doi.org/10.1016/S0040-1951(01)00244-X |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic Antarctica Antártida Antartide |
genre_facet |
Antarc* Antarctic Antarctica Antártida Antartide |
op_relation |
http://dx.doi.org/10.1016/S0040-1951(01)00244-X Tectonophysics 347(1-3): 179-187 (2002) 0262-8856 http://hdl.handle.net/10261/12895 doi:10.1016/S0040-1951(01)00244-X |
op_rights |
open |
op_doi |
https://doi.org/10.1016/S0040-1951(01)00244-X |
container_title |
Tectonophysics |
container_volume |
347 |
container_issue |
1-3 |
container_start_page |
179 |
op_container_end_page |
187 |
_version_ |
1790599767105994752 |