---

Jakub Velímský Born April 19, 1975 in Ústí nad Labem in Northern Bohemia. 1998: Mgr. (~MSc.) in physics, Faculty of Mathematics and Physics, Charles University in Prague 2003: Ph.D. in geophysics, Faculty of Mathematics and Physics, Charles University in Prague 2004: RNDr. in geophysics, Faculty of Mathematics and Physics, Charles University in Prague 2003-2005 Harris Post-doctoral Scholar at Department of Geology and Geophysics, Texas A&M University. 2005-2007: research assistant, Faculty of Mathematics and Physics, Charles University in Prague 2005-2007 also: researcher, Center for Earth Dynamics Research, Research Institute of Geodesy, Topography and Cartography, Zdiby 2008-2009: Oberassistant, Earth and Planetary Magnetism Group, Institut für Geophysik, ETH Zürich since 2010: research assistant, Faculty of Mathematics and Physics, Charles University in Prague

Address

Curriculum vitae (PDF, 96 kB)

Areas of interest:

Publications:

Ph.D. thesis

Master thesis

Reviewed papers

• M.A. Maksimov & J. Velímský, 2017. Fast calculations of the gradient and the Hessian in the time-domain global electromagnetic induction inverse problem. Geophys. J. Int, in press, DOI: https://doi.org/10.1093/gji/ggx167.
• Shore, R.M, Whaler, K.A., Macmillan, S., Beggan, C., Velímský, J., & Olsen, N., 2016. Decadal period external magnetic field variations determined via eigenanalysis, J. Geoph. Res., Space Physics, 121(6), pp. 5172–5184.
• Martinec, Z., Sasgen, I., and J.Velímský, 2015. The forward sensitivity and adjoint-state methods of glacial isostatic adjustment, Geophys. J. Int., 200(1), pp.77–105.
• Kelbert, A., A. Kuvshinov, J. Velímský, T. Koyama, J. Ribaudo, J. Sun, Z. Martinec, and C. J. Weiss, 2014. Global 3-D electromagnetic forward modelling: a benchmark study, Geophys. J. Int., 197 (2), pp. 785-814, doi:10.1093/gji/ggu028
• Velímský, J., 2013. Determination of three-dimensional distribution of electrical conductivity in the Earth's mantle from Swarm satellite data: Time-domain approach, Earth Planets Space, 65 (11), pp. 1239-1246.
• Olsen, N., E. Friis-Christensen, R. Floberghagen, P. Alken, C.D. Beggan, A. Chulliat, E. Doornbos, J. Teixeira da Encarnacao, B. Hamilton, G. Hulot, J. van den IJssel, A. Kuvshinov, V. Lesur, H. Lühr, S. Macmillan, S. Maus, M. Noja, P.E.H. Olsen, J. Park, G. Plank, C. Püthe, J. Rauberg, P. Ritter, M. Rother, T.J. Sabaka, R. Schachtschneider, O. Sirol, C. Stolle, E. Thébault, A.W.P. Thomson, L. Tøffner-Clausen , Jakub Velímský, P. Vigneron, P.N. Visser, 2013. The Swarm Satellite Constellation Application and Research Facility (SCARF) and Swarm Data Products, Earth Planets Space, 65 (11), pp. 1189-1200.
• Velímský J., N. Benešová, and H. Čížková, 2012. On the detectability of 3-D postperovskite distribution in D'' by electromagnetic induction, Phys. Earth Planet. Int., 202, 71-77, doi:10.1016/j.pepi.2012.02.012.
• Ulvrová M., N. Coltice, Y. Ricard, S. Labrosse, F. Dubuffet, J. Velímský, and O. Šrámek, 2011. Compositional and thermal equilibration of particles, drops and diapirs in geophysical flows. Geochem. Geophys. Geosyst., 12, Q10014, doi:10.1029/2011GC003757, (PDF).
• Souček, O., Z. Martinec, and J. Velímský, , 2011. Vector potential formulation of a quasi-static EM induction problem: existence, uniqueness and stability of the weak solution, Int. J. Geomath., doi 10.1007/s13137-011-0019-9.
• Velímský, J., and C. C. Finlay, 2011. Effect of a metallic core on transient geomagnetic induction, Geochem. Geophys. Geosyst., 12, Q05011, doi:10.1029/2011GC003557, PDF (764 kb).
• Praus O., J. Pěčová, V. Červ, S. Kováčiková, J. Pek, and J. Velímský, 2011. Electrical conductivity at mid-mantle depths estimated from the data of Sq and long period geomagnetic variations, Studia Geoph. Geod., 55, 241-264.
• Velímský, J., 2010. Electrical conductivity in the lower mantle: Constraints from CHAMP satellite data by time-domain EM induction modelling. Phys. Earth Planet. Int., 180(3-4), doi: 10.1016/j.pepi.2010.02.007, PDF.
• Martinec, Z., J. Velímský, 2009. The adjoint sensitivity method of global electromagnetic induction for CHAMP magnetic data. Geophys. J. Int., 179, 1372--1396, PDF.
• Hanyk, L., D.A. Yuen, C. Matyska, and J. Velímský, 2007. Visualization of time-dependent dynamics of postglacial rebound, Vis Geosci, 12, PDF(1.2 MB).
• Velímský, J., Z. Martinec, and M.E. Everett, 2006. Electrical conductivity in the Earth's mantle inferred from CHAMP satellite measurements - I. Data processing and 1-D inversion. Geophys. J. Int., 166, 529-542. PDF (788 kB).
• Velímský, J. and Z. Martinec, 2005. Time-domain, spherical harmonic-finite element approach to transient three-dimensional geomagnetic induction in a spherical heterogeneous Earth, Geophys. J. Int., 161(1), 81-101. PDF (480 kB).
• Velímský, J. and M.E. Everett, 2005. Electromagnetic Induction by Sq Ionospheric Currents in a Heterogeneous Earth: Modeling Using Ground-based and Satellite Measurements, in: Reigberg C., H. Lühr, P. Schwintzer, and J. Wickert (Eds.), Earth Observation with CHAMP. Results from Three Years in Orbit. Springer-Verlag, pp. 341-346. PDF (276 kB).
• Martinec, Z, M.E. Everett and J. Velímský, 2003. Time-domain, spectral finite-element approach to transient 2-D geomagnetic induction in a spherical heterogeneous Earth, Geophys. J. Int., 155, 33-43.
• Velímský, J., M.E. Everett and Z. Martinec, 2003. The transient Dst electromagnetic induction signal at satellite altitudes for a realistic 3-D electrical conductivity in the crust and mantle, Geoph. Res. Let., 30(7), 1355. PDF (1.2 MB).
• Velímský, J., Matyska, C., 2000. The influence of adiabatic heating/cooling on magnetohydrodynamic systems. Phys. Earth Planet. Inter., 117, 197-207. Abstract, whole paper in PDF (594 kB).

Technical reports

• J. Velímský, Z. Martinec, L. Šachl, D. Einšpigel, and L. Hanyk, 2016. Magnetic Signatures of Barotropic and Baroclinic Flows in Swarm Data, ESA Study Contract Report, 4000109562/14/NL/CBi, PDF (17 MB)
• A. Kuvshinov, J. Velímský, P. Tarits, A. Semenov, O. Pankratov, L. Tøffner-Clausen, Z. Martinec,2, N. Olsen, T.J. Sabaka, and A. Jackson, 2010. Level 2 products and performances for mantle studies with Swarm. ESA Study Contract Report No. 22656/09/NL/FF, PDF (23 MB).

Popularization of science

• Velímský J., 2006. Geomagnetické pole: Družice vyprávějí, Jeden den s fyzikou, 4.2.2006, PDF (9 MB).
• Velímský J., Z. Martinec a M.E. Everett, 2004. Elektromagnetická indukce v Zemi: pohled z oběžné dráhy, Čs. časopis pro fyziku, 4/2004, 209-213, PDF (1.2 MB).

Other

• Velímský, J. and Z. Martinec, Initial value approach to the EM induction in a heterogeneous sphere: Validation of the method In: Šafránková, J. (Ed.), WDS'01, Proceedings of contributed papers, Part III. Matfyzpress, Praha, 2001, pp. 662-666. Gzipped PostScript (236 kB).
• Velímský, J., Z. Martinec and O. Čadek, 3D modelling of electromagnetic induction in the Earth's Mantle. Tests of sensitivity to the 3D conductivity structure and the realistic source field. In: Šafránková, J. (Ed.), WDS'99, Proceedings of contributed papers, Part III. Matfyzpress, Praha, 1999, pp. 512-517. Gzipped PostScript (476 kB).