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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/3899
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dc.contributor.authorallTorta, J. M.; Observatori de l’Ebre, CSIC, 43520 Roquetes, Tarragona, Spainen
dc.contributor.authorallDe Santis, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.authorallChiappini, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.authorallvon Frese, R. R. B.; Department of Geological Sciences, and Byrd Polar Research Center, The Ohio State University, Columbus, OH 43210, USAen
dc.date.accessioned2008-06-19T10:51:24Zen
dc.date.available2008-06-19T10:51:24Zen
dc.date.issued2002en
dc.identifier.urihttp://hdl.handle.net/2122/3899en
dc.description.abstractAn 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.en
dc.language.isoEnglishen
dc.publisher.nameElsevieren
dc.relation.ispartofTectonophysicsen
dc.relation.ispartofseries/ 347 (2002)en
dc.subjectAntarcticaen
dc.subjectSpherical cap harmonic analysisen
dc.subjectMagnetic surveysen
dc.subjectMagnetic mappingen
dc.subjectGeomagnetic secular variationen
dc.titleA model of the secular change of the geomagnetic field for Antarcticaen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber179-187en
dc.subject.INGV04. Solid Earth::04.05. Geomagnetism::04.05.03. Global and regional modelsen
dc.subject.INGV04. Solid Earth::04.05. Geomagnetism::04.05.05. Main geomagnetic fielden
dc.subject.INGV04. Solid Earth::04.07. Tectonophysics::04.07.99. General or miscellaneousen
dc.relation.referencesAlsdorf, D.E., von Frese, R.R.B., Arkani-Hamed, J., Noltimier, H.C., 1994. Separation of lithospheric, external, and core components of the south polar geomagnetic field at satellite altitudes. J. Geophys. Res. 99, 4655–4668. Barton, C.E., 1997. International geomagnetic reference field: the seventh generation. J. Geomagn. Geoelectr. 49, 123–148. Chiappini, M., von Frese, R.R.B., Ferris, J., 1998. Effort to develop magnetic anomaly database aids Antarctic research. EOS Trans. Am. Geophys. Union 79, 290. De Santis, A., Chiappini, M., Torta, J.M., von Frese, R.R.B., 1999. Development of an improved geomagnetic reference field of Antarctica. Ann. Geofis. 42, 265– 270. Haines, G.V., 1993. Modelling geomagnetic secular variation by main-field differences. Geophys. J. Int. 114, 490– 500. Haines, G.V., Newitt, L.R., 1986. Canadian geomagnetic reference field 1985. J. Geomagn. Geoelectr. 38, 895– 921. Haines, G.V., Newitt, L.R., 1997. The Canadian geomagnetic reference field 1995. J. Geomagn. Geoelectr. 49, 317– 336. Haines, G.V., Torta, J.M., 1994. Determination of equivalent current sources from spherical cap harmonic models of geomagnetic field variations. Geophys. J. Int. 118, 499–514. McLean, S.J., Meyers, K.D., Morris, L.D., Davis, W.M., 1995. A report on geomagnetic observatories. World Data Center-A for Solid Earth Geophysics, Rep. SE-53. Boulder, CO, 110 pp. Nevanlinna, H., Ryno¨ , J., 1991. Spherical cap harmonic model of the Scandinavian geomagnetic field for 1990. HHI-Rep. 22, 106. Nevanlinna, H., Ryno¨ , J., Haines, G.V., Borg, K., 1988. Spherical cap harmonic analysis applied to the Scandinavian geomagnetic field 1985.0. Deut. Hydro. Zeits. 41, 177– 186. Newitt, L.R., Haines, G.V., 1989. A Canadian geomagnetic reference field for epoch 1987.5. J. Geomagn. Geoelectr. 41, 249– 260. Newitt, L.R., Haines, G.V., 1991. The Canadian geomagnetic reference field 1990. Current Research, Part EGeological Survey of Canada, Paper 91-1E, 275– 281. Torta, J.M., Garcı´a, A., De Santis, A., 1993. A geomagnetic reference field for Spain at 1990. J. Geomagn. Geoelectr. 45, 573– 588.en
dc.description.journalTypeJCR Journalen
dc.description.fulltextreserveden
dc.contributor.authorTorta, J. M.en
dc.contributor.authorDe Santis, A.en
dc.contributor.authorChiappini, M.en
dc.contributor.authorvon Frese, R. R. B.en
dc.contributor.departmentObservatori de l’Ebre, CSIC, 43520 Roquetes, Tarragona, Spainen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.departmentDepartment of Geological Sciences, and Byrd Polar Research Center, The Ohio State University, Columbus, OH 43210, USAen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptObservatori de l’Ebre, CSIC - URL, Horta Alta 38, 43520 Roquetes, Spain-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.deptSchool of Earth Science, Ohio State University, Columbus, OH 43210, USA-
crisitem.author.orcid0000-0002-3941-656X-
crisitem.author.orcid0000-0001-7433-9435-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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