Investigation of a secular variation impulse using satellite data: The 2003 geomagnetic jerk

Earth and Planetary Science Letters

Volumn 255, Issue 1-2, 2007, Pages 94-105

  Olsen, Nils ^a   Mandea, Mioara ^b  

^a TECHNICAL UNIVERSITY OF DENMARK   (Denmark)

^b GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

Author keywords

geomagnetic jerk; geomagnetism; magnetic satellite data; secular variation

Indexed keywords

GEOMAGNETIC JERK; HARMONIC EXPANSION COEFFICIENTS; SECULAR VARIATION;

MAGNETIC FIELD EFFECTS; MAGNETOSPHERE; SATELLITE OBSERVATORIES;

GEOMAGNETISM;

GEOMAGNETIC FIELD; MAGNETIC ANOMALY; MAGNETOSPHERE; NORTHERN HEMISPHERE; SATELLITE DATA; SECULAR VARIATION; SOUTHERN HEMISPHERE; SPHERICAL HARMONICS; TEMPORAL VARIATION;

EID: 33847045953     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.epsl.2006.12.008     Document Type: Article

References (17)

1. Courtillot V., Ducruix J., and Le Mouël J.-L. Sur une accélération récente de la variation séculaire du champ magnétique terrestre. C. R. Hebd. Seances Acad. Sci., Ser. D, Sci. Nat. 287 (1978) 1095-1098
2. Malin S., and Hodder B. Was the 1970 geomagnetic jerk of internal or external origin?. Nature 296 (1982) 726-728
3. Mandea M., Bellanger E., and Le Mouël J.-L. A geomagnetic jerk for the end of the 20th century?. Earth Planet. Sci. Lett. 183 (2000) 369-373
4. Jackson A., Jonkers A.R.T., and Walker M.R. Four centuries of geomagnetic secular variation from historical records. Philos. Trans. R. Soc. Lond., A 358 (2000) 957-990
5. Sabaka T.J., Olsen N., and Purucker M. Extending comprehensive models of the Earth's magnetic field with Ørsted and CHAMP data. Geophys. J. Int. 159 (2004) 521-547 10.1111/j.1365-246X.2004.02421.x
6. Olsen N., Lühr H., Sabaka T.J., Mandea M., Rother M., Tøffner-Clausen L., and Choi S. CHAOS - a model of Earth's magnetic field derived from CHAMP, Ørsted, and SAC-C magnetic satellite data. Geophys. J. Int. 166 (2006) 67-75
7. Mandea M., and Olsen N. A new approach to directly determine the secular variation from magnetic satellite observations. Geophys. Res. Lett. 33 (2006) L15306
8. Holme R., and de Viron O. Geomagnetic jerks and a high-resolution length-of-day profile for core studies. Geophys. J. Int. 160 (2005) 435-439
9. Holland P., and Welsch R. Robust regression using iteratively reweighted least-squares. Commun. Stat., Theory Methods 6 (1977) 813-827
10. Backus G. Poloidal and toroidal fields in geomagnetic field modeling. Rev. Geophys. 24 (1986) 75-109
11. Lowes F.J., and Olsen N. A more realistic estimate of the variances and systematic errors in spherical harmonic geomagnetic field models. Geophys. J. Int. 157 (2004) 1027-1044
12. Olsen N., Sabaka T.J., and Lowes F. New parameterization of external and induced fields in geomagnetic field modeling, and a candidate model for IGRF 2005. Earth Planets Space 57 (2005) 1141-1149
13. Alexandrescu M.M., Gibert D., Le Mouël J.L., Hulot G., and Saracco G. An estimate of average lower mantle conductivity by wavelet analysis of geomagnetic jerks. J. Geophys. Res. 104 (1999) 17735-17745
14. Le Huy M., Mandea M., Mouël J.-L.L., and Pais A. Time evolution of the fluid flow at the top of the core. Geomagnetic jerks. Earth Planets Space 52 (2000) 163-173
15. Bellanger E., Mouël J.-L.L., Mandea M., and Labrosse S. Chandler wobble and geomagnetic jerks. Phys. Earth Planet. Inter. 124 (2001) 95-103
16. Bloxham J., Zatman S., and Dumberry M. The origin of geomagnetic jerks. Nature 420 (2002) 65-68
17. Holme R., and de Viron O. Evidence for a geomagnetic jerk after 2003 in LOD. Proceedings of the First Swarm International Science Meeting WPP-261 (2006), ESA