Hagay Amit

Personal page
Position: Chargé(e) de Recherche Hagay Amit
Research areas:
Phone: 02 51 12 55 68
Location: Nantes - Bât4 - 132

Publications

  • H. Amit, R. Deguen, P. Driscoll and T. Nakagawa. Editorial: Stratification in the Cores of Earth and Other Planets, Frontiers in Earth Science, Vol. 7, pp. 165. 2019. [More] 
  • K. J. Pinheiro, H. Amit and F. Terra-Nova. Geomagnetic jerk features produced using synthetic core flow models, Physics of the Earth and Planetary Interiors, Vol. 291, pp. 35 - 53. 2019. [More] 
  • F. Terra-Nova, H. Amit and G. Choblet. Preferred locations of weak surface field in numerical dynamos with heterogeneous core–mantle boundary heat flux: consequences for the South Atlantic Anomaly, Geophysical Journal International, Vol. 217, pp. 1179-1199, 02, 2019. [More] 
  • B. Zossi, M. Fagre, H. Amit and A. G Elias. Polar caps during geomagnetic polarity reversals, Geophysical Journal International, Vol. 216, pp. 1334-1343. 2019. [More] 
  • D. Peña, H. Amit and K. J. Pinheiro. Deep magnetic field stretching in numerical dynamos, Progress in Earth and Planetary Science, Vol. 5, pp. 8, Feb, 2018. [More] 
  • D. Saturnino, B. Langlais, H. Amit, F. Civet, M. Mandea and É. Beucler. Combining virtual observatory and equivalent source dipole approaches to describe the geomagnetic field with Swarm measurements, Phys. Earth Planet. Int., Vol. 276. 2018. [More] 
  • M. Le Bars, B. Langlais, H. Amit, J. Aurnou, M. Bergman and C. Thomas. Proceedings of the 15th symposium of Study of the Earth Deep Interior (SEDI), Phys. Earth Planet. Int., Vol. 276. 2018. [More] 
  • E. Thébault, B. Langlais, J. Oliveira, H. Amit and L. Leclercq. A time-averaged regional model of the Hermean magnetic field, Physics of the Earth and Planetary Interiors, Vol. 276, pp. 93 - 105. 2018. [More] 
  • H. Amit, M. Coutelier and U. R. Christensen. On equatorially symmetric and antisymmetric geomagnetic secular variation timescales, Physics of the Earth and Planetary Interiors, Vol. 276, pp. 190 - 201. 2018. [More] 
  • L. Huguet, H. Amit and T. Alboussière. Geomagnetic Dipole Changes and Upwelling/Downwelling at the Top of the Earth's Core, Frontiers in Earth Science, Vol. 6, pp. 170. 2018. [More] 
  • F. Terra-Nova, H. Amit, G. A. Hartmann, R. I. F. Trindade and K. J. Pinheiro. Relating the South Atlantic Anomaly and geomagnetic flux patches, Physics of the Earth and Planetary Interiors, pp. -. 2017. [More] 
  • F. Terra-Nova, H. Amit, G. A. Hartmann and R. I. F. Trindade. Using archaeomagnetic field models to constrain the physics of the core: robustness and preferred locations of reversed flux patches, Geophysical Journal International, Vol. 206, pp. 1890-1913. 2016. [More] 
  • D. Peña, H. Amit and K. J. Pinheiro. Magnetic field stretching at the top of the shell of numerical dynamos, Earth, Planets and Space, Vol. 68, pp. 78. 2016. [More] 
  • L. Huguet, H. Amit and T. Alboussière. Magnetic to magnetic and kinetic to magnetic energy transfers at the top of the Earth's core, Geophysical Journal International, Vol. 207, pp. 934. 2016. [More] 
  • G. Choblet, H. Amit and L. Husson. Constraining mantle convection models with palaeomagnetic reversals record and numerical dynamos, Geophysical Journal International, Vol. 207, pp. 1165. 2016. [More] 
  • S. Sahoo, B. Sreenivasan and H. Amit. Dynamos driven by weak thermal convection and heterogeneous outer boundary heat flux, Physics of the Earth and Planetary Interiors, Vol. 250, pp. 35 - 45. 2016. [More] 
  • K. J. Pinheiro, A. Jackson and H. Amit. On the applicability of Backus' mantle filter theory, GEOPHYSICAL JOURNAL INTERNATIONAL, Vol. 200, pp. 1336-1346, Mar, 2015. [More] 
  • H. Amit and P. Olson. Lower mantle superplume growth excites geomagnetic reversals, EARTH AND PLANETARY SCIENCE LETTERS, Vol. 414, pp. 68-76, MAR 15, 2015. [More] 
  • F. Terra-Nova, H. Amit, G. A. Hartmann and R. I. F. Trindade. The time dependence of reversed archeomagnetic flux patches, JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Vol. 120, pp. 691-704, Feb, 2015. [More] 
  • J. Monteux, H. Amit, G. Choblet, B. Langlais and G. Tobie. Giant impacts, heterogeneous mantle heating and a past hemispheric dynamo on Mars, Phys. Earth Planet. Int., Vol. 240. 2015. [More] 
  • J. Oliveira, B. Langlais, M.-A. Pais and H. Amit. A modified Equivalent Source Dipole method to model partially distributed magnetic field measurements, with application to Mercury, J. Geophys. Res., Vol. 120. 2015. [More] 
  • H. Amit, G. Choblet, P. Olson, J. Monteux, F. Deschamps and B. Langlais et al. Towards more realistic core-mantle boundary heat flux patterns: a source of diversity in planetary dynamos, Prog. Earth Planet. Sci., Vol. 2. 2015. [More] 
  • P. Olson and H. Amit. Mantle superplumes induce geomagnetic superchrons, Frontiers in Earth Science, Vol. 3, pp. 38. 2015. [More] 
  • H. Amit, F. Deschamps and G. Choblet. Numerical dynamos with outer boundary heat flux inferred from probabilistic tomography—consequences for latitudinal distribution of magnetic flux, Geophysical Journal International, Vol. 203, pp. 840. 2015. [More] 
  • P. Olson and H. Amit. Magnetic reversal frequency scaling in dynamos with thermochemical convection, PHYSICS OF THE EARTH AND PLANETARY INTERIORS, Vol. 229, pp. 122-133, Apr, 2014. [More] 
  • H. Amit. Can downwelling at the top of the Earth's core be detected in the geomagnetic secular variation?, PHYSICS OF THE EARTH AND PLANETARY INTERIORS, Vol. 229, pp. 110-121, Apr, 2014. [More] 
  • B. Langlais, H. Larnier, H. Amit, E. Thébault and A. Mocquet. A new model for the (geo)magnetic power spectrum, with application to planetary dynamo radii, Earth Planet. Sci. Lett., Vol. 401. 2014. [More] 
  • H. Amit and M. Alexandra Pais. Differences between tangential geostrophy and columnar flow, GEOPHYSICAL JOURNAL INTERNATIONAL, Vol. 194, pp. 145-157, Jul, 2013. [More] 
  • J. Monteux, N. Schaeffer, H. Amit and P. Cardin. Can a sinking metallic diapir generate a dynamo?, JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS, Vol. 117, OCT 10, 2012. [More] 
  • L. Huguet and H. Amit. Magnetic energy transfer at the top of the Earth's core, GEOPHYSICAL JOURNAL INTERNATIONAL, Vol. 190, pp. 856-870, Aug, 2012. [More] 
  • H. Amit and G. Choblet. Mantle-driven geodynamo features - Effects of compositional and narrow D '' anomalies, PHYSICS OF THE EARTH AND PLANETARY INTERIORS, Vol. 190, pp. 34-43, Jan, 2012. [More] 
  • H. Amit, M. Korte, J. Aubert, C. Constable and G. Hulot. The time-dependence of intense archeomagnetic flux patches, JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Vol. 116, DEC 14, 2011. [More] 
  • C. C. Finlay and H. Amit. On flow magnitude and field-flow alignment at Earth's core surface, GEOPHYSICAL JOURNAL INTERNATIONAL, Vol. 186, pp. 175-192, Jul, 2011. [More] 
  • H. Amit, U. R. Christensen and B. Langlais. The influence of degree-1 mantle heterogeneity on the past dynamo of Mars, Phys. Earth Planet. Int., Vol. 189. 2011. [More] 
  • H. Amit, R. Leonhardt and J. Wicht. Polarity Reversals from Paleomagnetic Observations and Numerical Dynamo Simulations. Workshop on Space Science Research of International Space Science Institute (ISSI). pp. 293-335. 2010. [More] 
  • H. Amit, J. Aubert and G. Hulot. Stationary, oscillating or drifting mantle-driven geomagnetic flux patches?, JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Vol. 115, JUL 27, 2010. [More] 
  • H. Amit and P. Olson. A dynamo cascade interpretation of the geomagnetic dipole decrease, GEOPHYSICAL JOURNAL INTERNATIONAL, Vol. 181, pp. 1411-1427, Jun, 2010. [More] 
  • P. Olson, P. Driscoll and H. Amit. Dipole collapse and reversal precursors in a numerical dynamo, PHYSICS OF THE EARTH AND PLANETARY INTERIORS, Vol. 173, pp. 121-140, Mar, 2009. [More] 
  • H. Amit and G. Choblet. Mantle-driven geodynamo features-effects of post-Perovskite phase transition, EARTH PLANETS AND SPACE, Vol. 61, pp. 1255-1268. 2009. [More] 
  • H. Amit and U. R. Christensen. Accounting for magnetic diffusion in core flow inversions from geomagnetic secular variation, GEOPHYSICAL JOURNAL INTERNATIONAL, Vol. 175, pp. 913-924, Dec, 2008. [More] 
  • J. Aubert, H. Amit, G. Hulot and P. Olson. Thermochemical flows couple the Earth's inner core growth to mantle heterogeneity, NATURE, Vol. 454, pp. 758-U80, AUG 7, 2008. [More] 
  • H. Amit and P. Olson. Geomagnetic dipole tilt changes induced by core flow, PHYSICS OF THE EARTH AND PLANETARY INTERIORS, Vol. 166, pp. 226-238, Feb, 2008. [More] 
  • B. Langlais and H. Amit. The Past Martian Dynamo, Science, Vol. 312. 2008. [More] 
  • H. Amit, J. Aubert, G. Hulot and P. Olson. A simple model for mantle-driven flow at the top of Earth's core, EARTH PLANETS AND SPACE, Vol. 60, pp. 845-854. 2008. [More] 
  • H. Amit, P. Olson and U. Christensen. Tests of core flow imaging methods with numerical dynamos, Geophysical Journal International, Vol. 168, pp. 27-39. 2007. [More] 
  • J. Aubert, H. Amit and G. Hulot. Detecting thermal boundary control in surface flows from numerical dynamos, Physics of the Earth and Planetary Interiors, Vol. 160, pp. 143 - 156. 2007. [More] 
  • H. Amit and P. Olson. Time-average and time-dependent parts of core flow, Physics of the Earth and Planetary Interiors, Vol. 155, pp. 120 - 139. 2006. [More] 
  • P. Olson and H. Amit. Changes in earth's dipole, Naturwissenschaften, Vol. 93, pp. 519-542. 2006. [More] 
  • H. Amit and P. Olson. Helical core flow from geomagnetic secular variation, Physics of the Earth and Planetary Interiors, Vol. 147, pp. 1 - 25. 2004. [More] 
  • H. Amit, V. Lyakhovsky, A. Katz, A. Starinsky and A. Burg. Interpretation of Spring Recession Curves, Ground Water, Vol. 40, pp. 543-551. 2002. [More]