This is a preview of subscription content, log in via an institution to check access.
References
Bizouard, C. and Gambis, D. (2009) Geodetic reference frames. IAG Symposia Series, v.134, pp.87–97. DOI: https://doi.org/10.1007/978-3-642-00860-3
Chulliat, A., Alken, P., Maus, S. (2015) Fast equatorial waves propagating at the top of the Earth’s core. Geophys. Res. Lett., v.42(9), pp.3321–3329. DOI: https://doi.org/10.1002/2015GL064067
Ding, H. and Chao, B.F. (2018) A 6-year westward rotary motion in the Earth: Detection and possible MICG coupling mechanism. Earth Planet. Sci. Lett., v.495, pp.50–55. DOI: https://doi.org/10.1016/j.epsl.2018.05.009
Dumberry, M. (2010) Gravity variations induced by core flows. Geophys. Jour. Internat., v.180, pp.635–650. DOI: https://doi.org/10.1111/j.1365-246X.2009.04437.X
Finlay, C.C., Aubert, J. and Gillet, N. (2016) Gyre-driven decay of the Earth’s magnetic dipole. Nature Communications, v.7, pp.10422. DOI: https://doi.org/10.1038/ncomms10422
Gillet, N., Huder, L. and Aubert, J. (2019) A reduced stochastic model of core surface dynamics based on geodynamo simulations. Geophys. Jour. Internat., v.219(1), pp.522–539. DOI: https://doi.org/10.1093/gji/ggz313
Gross, R.S. (2001) A combined length-of-day series spanning 1832–1997: Lunar9. Phys. Earth Planet. Inter., v.123, pp.65–67.
Gross, R.S., Fukumori, I. and Menemenlis, D. (2005) Atmospheric and oceanic excitation of decadal-scale earth orientation variations. Jour. Geophys. Res.: Solid Earth, v.110(B9). doi: https://doi.org/10.1029/2004JB003565
Hinderer, J., Legros, H., Gire, C. and Le Mouel, J.L. (1987) Geomagnetic secular variation, core motions and implications for the Earth’s wobble. Earth Planet. Inter., v.49, pp.121–132.
Jault, D., Gire, C. and Le Mouel, J.L. (1988) Westward drift, core motions and exchanges of angular momentum between core and mantle. Nature, v.333(6171), pp.353–356
Lambeck, K. (1980) The Earth’s Variable Rotation: Geophysical Causes and Consequences. Cambridge University Press, New York.
Lesur, V., Wardinski, I., Rother, M. and Mandea, M. (2008) GRIMM The GFZ Reference Internal Magnetic Model based on vector satellite and observatory data. Geophys. Jour. Internat., v.173. doi: https://doi.org/10.1111/j.1365-246X.2008.03724.x
Mandea, M. and Olsen, N. (2006) A new approach to directly determine the secular variation from magnetic satellite observations. Geophys. Res. Lett., v.33(L15306). DOI: https://doi.org/10.1029/2006GL026616
Mandea, M., Holme, R., Pais, A., Pinheiro, K., Jackson, A. and Verbanac, G. (2010) Geomagnetic jerks: Rapid core field variations and core dynamics. Space Sci. Rev., v.155, pp.147–175. DOI https://doi.org/10.1007/S11214-010-9663-X.
Mandea, M., Panet, I., Lesur, V., de Viron, O., Diament, M. and Le Mouel, J.L. (2012) Recent changes of the Earth’s core derived from satellite observations of magnetic and gravity fields. Proc. Natl. Acad. Sci. v.109(47), pp.19129–19133. DOI: https://doi.org/10.1073/pnas.1207346109
Mandea, M., Narteau, C., Panet, I. and Le Mouel, J.L. (2015) Gravimetric and magnetic anomalies produced by dissolution-crystallization at the core-mantle boundary. Jour. Geophys. Res.: Solid Earth, v.120(9), pp.5983–6000. doi: https://doi.org/10.1002/2015JB012048
Mandea, M., Korte, M., Yau, A. and Petrovsky, E. (2019) Geomagnetism, Aeronomy and Space Weather: A Journey from the Earth’s Core to the Sun. Special Publications of the International Union of Geodesy and Geophysics. Cambridge University Press, Cambridge. DOI: https://doi.org/10.1017/9781108290135
Olsen, N. and Mandea, M. (2008) Rapidly changing flows in the Earth’s core. Nature Geosciences, v.1, pp.390–394. DOI: https://doi.org/10.1038/ngeo203
Preisendorfer, R.W. (1988) Principal component analyses in meteorology and oceanography. Elsevier, Amsterdam.
Rosat, S. and Hinderer, J. (2018) Limits of detection of gravimetric signals on earth. Scientific Reports 8. DOI: https://doi.org/10.1038/s41598-018-33717-z
Stevenson, D.J. (2012) Fluctuating gravity of Earth’s core. Proc. National Acad. Sci., v.109(47), pp.19039–19040. DOI: https://doi.org/10.1073/pnas.1216731109
Wardinski, I. and Thebault, E. (2019) Modelling internal and external geomagnetic fields using satellite data. In: M. Mandea, M. Korte, A. Yau, E. Petrovsky (Eds.), Special Publications of the International Union of Geodesy and Geophysics. Cambridge University Press, Cambridge. DOI: https://doi.org/10.1017/9781108290135.
Acknowledgements
I would like to thank Anny Cazenave and Veronique Dehant for fruitful discussions.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Mandea, M. The Core-Mantle Boundary as seen by Satellite Observations. J Geol Soc India 95, 547–550 (2020). https://doi.org/10.1007/s12594-020-1480-6
Published:
Issue Date:
DOI: https://doi.org/10.1007/s12594-020-1480-6