Curriculum Vitae

Libor Šachl


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Office address and personal info:

Department of Geophysics
Faculty of Matematics and Physics
Charles University
V Holešovičkách 2
Praha 8, 180 00
Czech Republic
E-mail: sachl@karel.troja.mff.cuni.cz
Phone number: (+420) 221 912 539
Gender: Male
Date of birth: January 3, 1987
Place of birth: Brno (Czech Republic)
Marital status: Single
Nationality: Czech
 

Positions

2020-present Postdoc researcher, Charles University, Faculty of Mathematics and Physics, Department of Geophysics, Czech Republic
 

Education

2011-2020 Ph.D. student, Charles University, Faculty of Mathematics and Physics, Department of Geophysics, Czech Republic
Ph.D. thesis Modelling of global ocean circulation and ocean-induced magnetic field supervised by Prof. RNDr. Zdeněk Martinec, DrSc., defended 20th September 2020
2009-2011 MSc. student, Charles University, Faculty of Mathematics and Physics, Department of Geophysics, Czech Republic
MSc. thesis Ray-based Born approximation supervised by RNDr. Luděk Klimeš, DrSc., defended 20th September 2011, graduated with honors
2006-2009 Bachelor student, Charles University, Faculty of Mathematics and Physics, Czech Republic
Bachelor thesis Termální konvekce jako nelineární dynamický systém: vliv radiačního přenosu tepla (Thermal convection as a nonlinear dynamical system: influence of a heat transfer by radiation) supervised by Doc. RNDr. Ctirad Matyska, DrSc., defended 23rd June 2009
1998-2006 Grammar school, Brno
 

Stays abroad

2013-2016 Geophysics Section, School of Cosmic Physics, Dublin Institute for Advanced Studies, Dublin, Ireland, Ph.D. student
 

Publications

  • L. Šachl, J. Velímský, J. Fullea and Z. Martinec. Inversion of the satellite observations of the tidally induced magnetic field in terms of 3-D upper-mantle electrical conductivity: Method and synthetic tests . Geophys. J. Int., 229(3):2115-2132, 2022.
  • Z. Martinec, J. Fullea, J. Velímský and L. Šachl. A new integrated geophysical-petrological global 3-D model of upper-mantle electrical conductivity validated by the Swarm M2 tidal magnetic field . Geophys. J. Int., 226(2):742-763, 2021.
  • S. Sajjadi, Z. Martinec, P. Prendergast, J. Hagedoorn and L. Šachl. The stability criterion for downward continuation of surface gravity data with various spatial resolutions over Ireland . Stud. Geophys. Geod., 65:219-234, 2021.
  • L. Šachl, D. Einšpigel and Z. Martinec. Simple numerical tests for ocean tidal models . Stud. Geophys. Geod.,64:202-240, 2020.
  • S. Sajjadi, Z. Martinec, P. Prendergast, J. Hagedoorn, L. Šachl, P. Readman, E. Robin, B. O'Reilly and C. Horan. The unification of gravity data for Ireland-Northern Ireland . Lead. Edge, 39(2):135-143, 2020.
  • L. Šachl, Z. Martinec, J. Velímský, C. Irrgang, J. Petereit, J. Saynisch, D. Einšpigel, and N. R. Schnepf. Modelling of electromagnetic signatures of global ocean circulation: physical approximations and numerical issues . Earth Planets Space, 71(1):58, 2019.
  • J. Velímský, L. Šachl, and Z. Martinec. The global toroidal magnetic field generated in the Earth's oceans . Earth Planet. Sc. Lett., 509:4754, 2019.
  • J. Velímský, A. Grayver, A. Kuvshinov, and L. Šachl. On the modelling of M2 tidal magnetic signatures: Effects of physical approximations and numerical resolution . Earth Planets Space, 70(1):70192, 2018.
  • Z. Martinec, J. Velímský, R. Haagmans, and L. Šachl. A two-step along-track spectral analysis for estimating the magnetic signals of magnetospheric ring current from Swarm data . Geophys. J. Int., 212(2):12011217, 2017.
  • L. Šachl. Validation of 3-D synthetic seismograms based on the ray-Born approximation . Stud. Geophys. Geod., 57(1): 84-102, 2013.

Presentations

  • L. Šachl, J. Velímský and O. Knopp. Inversion of the satellite-observed tidal magnetic fields in terms of three-dimensional upper-mantle electrical conductivity . IAGA-IASPEI, virtual conference, August 25, 2021.
  • L. Šachl, J. Velímský and J. Fullea. Inversion of the satellite observations of the tidally induced magnetic field in terms of 3-D upper-mantle electrical conductivity: Method and synthetic tests . Pico presentation, EGU General Assembly, virtual conference, April 27, 2021.
  • L. Šachl. Oceans and their numerical modelling . Fyzikální čtvrtky, Prague, March 5, 2020.
  • L. Šachl, Z. Martinec and D. Einšpigel. Ocean model LSOMG: Development and applications . Geophysical Doctoral Day, Prague, May 31, 2017.
  • L. Šachl, Z. Martinec and D. Einšpigel. Ocean model LSOMG: Development and applications . Irish Geological Research Meeting, Galway, February 20, 2016.
  • L. Šachl and Z. Martinec. LSG Ocean Model: Introduction and Preliminary Results . Week of Doctoral Students, Prague, June 6, 2013.
  • L. Šachl and Z. Martinec. Introduction to Ocean Modelling . Week of Doctoral Students, Prague, May 31, 2012.

Posters

  • L. Šachl, J. Velímský, Z. Martinec and J. Fullea. Inversion of the satellite-observed tidal magnetic fields in terms of 3-D upper-mantle electrical conductivity. 5th Users’ Conference of IT4Innovations, virtual conference, November 9, 2021.
  • L. Šachl and Z. Martinec. Global singularity-free grids in ocean modelling . EGU General Assembly, Vienna, April 11, 2019.
  • L. Šachl, D. Einšpigel, A. Grayver, C. Irrgang, A. Kuvshinov, Z. Martinec, J. Petereit, J. Saynish, N. Schnepf and J. Velímský. Benchmark study of magnetic induction codes forced by ocean electric currents . EGU General Assembly, Vienna, April 25, 2017.
  • J. Velímský, D. Einšpigel, A. Grayver, C. Irrgang, A. Kuvshinov, Z. Martinec, J. Petereit, L. Šachl, J. Saynisch and R. Tyler. Benchmark study of magnetic induction codes forced by ocean tides. EGU General Assembly, Vienna, April 25, 2017.
  • L. Šachl, D. Einšpigel, Z. Martinec and J. Velímský. Computations of wind-driven ocean-induced magnetic fields . EGU General Assembly, Vienna, April 20, 2016.
  • L. Šachl and Z. Martinec. Development of ocean model LSOMG . IUGG General Assembly, Prague, June 27, 2015.
  • L. Šachl and Z. Martinec. Development of ocean model LSOMG . EGU General Assembly, Vienna, April 15, 2015.
  • D. Einšpigel, J. Velímský, Z. Martinec and L. Šachl. Magnetic signals generated by ocean flow in Swarm satellite data: prediction and observation . EGU General Assembly, Vienna, April 15, 2015.
  • L. Šachl, D. Einšpigel and Z. Martinec. A benchmark study for two barotropic ocean model codes . EGU General Assembly, Vienna, April 28, 2014.
  • L. Šachl. Seismogram Improvement Using the Born Aproximation . EAGE Conference & Exhibition incorporating SPE EUROPEC, Vienna, May, 2011.

Reports

  • J. Velímský, Z. Martinec, L. Šachl, D. Einšpigel and L. Hanyk. Magnetic Signatures of Barotropic and Baroclinic Flows in Swarm Data . ESA Study Contract Report, 4000109562/14/NL/CBi, 2016. URL http://geo.mff.cuni.cz/SwarmOceans/files/Swarm+Oceans.pdf.
  • L. Šachl. Born and ray-theory seismograms in 2D heterogeneous isotropic models . Seismic Waves in Complex 3-D Structures, Report 22, Dep. Geophys., Charles Univ., Prague, 83-112, 2012. URL http://sw3d.cz/papers.bin/r22ls2.pdf.
  • L. Šachl. Effect of caustics on the ray-based Born approximation . Seismic Waves in Complex 3-D Structures, Report 22, Dep. Geophys., Charles Univ., Prague, 55-82, 2012. URL http://seis13.karlov.mff.cuni.cz/papers.bin/r22ls1.pdf.
  • L. Šachl. 2D computations of 3D synthetic seismograms using the ray-based Born approximation in heterogenous background model P1 . Seismic Waves in Complex 3{D Structures, Report 21, Dep. Geophys., Charles Univ., Prague, 99-114, 2011. URL http://sw3d.cz/papers.bin/r21ls2.pdf.
  • L. Šachl. 3D and 2D computations of 3D synthetic seismograms using the ray-based Born approximation in simple models . Seismic Waves in Complex 3{D Structures, Report 21, Dep. Geophys., Charles Univ., Prague, 69-98, 2011. URL http://sw3d.cz/papers.bin/r21ls2.pdf.

Grants and projects

2020-2022 Trojrozměrný model elektrické vodivosti zemského pláště získaný z geomagnetických variací v magnetosféře, ionosféře a z oceánských slapů , Grant Agency of the Czech Republic, P210-20-07378S, team member
2017-2019 Oceánské proudění a jeho magnetická stopa v globálním a regionálním měřítku , Grant Agency of the Czech Republic, P210-17-03689S, team member
2014-2016 Magnetic Signatures of Barotropic and Baroclinic Ocean Flows in Swarm Data , European Space Agency Contract No. 4000109562/14/NL/CBi, team member
2010-2012 Vlastní kmity a viskoelastické slapy selfgravitujících planetárních těles: pseudospektrální přístup (Free oscillations and viscoelastic tides of selfgraviting planetary bodies, pseudospectral approach) , Grant Agency of Charles University, GAUK 141610, team member
2009-2011 Nové trendy v paprskových metodách - část 4 , Grant Agency of the Czech Republic, P210/10/0736, team member
 

Teaching acitivities

2020-2022 Geomagnetism and geoelectricity (exercises), Charles University, Faculty of Mathematics and Physics, Czech Republic
2011-2013 Programming for physicists (exercises), Charles University, Faculty of Mathematics and Physics, Czech Republic
 

Workshops and summer schools

8/2018 Waves in Flows , Prague, Czech Republic, August 27-31, 2018
9/2014 Physics of the Ocean , Bad Honnef, Germany, September 21-26, 2014
8/2014 ESA Earth Observation Summer School , ESA-ESRIN, Frascati, August 4-14, 2014
6/2010 Seismic waves in laterally inhomogeneous media VII , Teplá, Czech Republic, 21st-26th June, 2010
 

Skills

  • Native Czech speaker, C1 in English
  • Computer skills: Fortran 95, FORTRAN 77, Matlab, C, C++, LaTeX, HTML, CSS
  • Owner of the driving licence since 2006

Hobbies and interests

I am a keen beach volleyball player. I like walking our dog, watching good films, playing computer games and reading books.