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Einar Iversen

Associate Professor
  • E-mailEinar.Iversen@uib.no
  • Visitor Address
    Realfagbygget, Allégt. 41
    Room 
    2A12f - 2104
  • Postal Address
    Postboks 7803
    5020 Bergen
Academic article
  • 2020. Transition operator approach to full waveform inversion of anisotropic elastic media. Communications in Computational Physics.
  • 2020. Time-migration velocity estimation using Fréchet derivatives based on nonlinear kinematic migration/demigration solvers. Studia Geophysica et Geodaetica. 26-75.
  • 2019. Higher-order dynamic ray tracing in ray-centred coordinates. SEG technical program expanded abstracts. 3889-2893.
  • 2019. Higher-order Hamilton–Jacobi perturbation theory for anisotropic heterogeneous media: dynamic ray tracing in Cartesian coordinates. Geophysical Journal International. 2044-2070.
  • 2018. Higher-order extrapolation of traveltime and geometrical spreading in anisotropic heterogeneous media. Society of Exploration Geophysicists. Expanded Abstracts with Biographies.
  • 2017. On the parametrization of seismic anisotropy for ray-Born inversion. Seismic Waves in Complex 3-D Structures. 37-49.
  • 2015. Recovering the isometry type of a Riemannian manifold from local boundary diffraction travel times. Journal des Mathématiques Pures et Appliquées. 830-848.
  • 2014. Reconstruction of a conformally euclidean metric from local boundary diffraction travel times. SIAM journal on computing (Print). 3705-3726.
  • 2013. Two-point paraxial traveltime formula for inhomogeneous isotropic and anisotropic media: Tests of accuracy. Geophysics. WC65-WC80.
  • 2012. Two-point paraxial traveltimes in an inhomogeneous anisotropic medium. Geophysical Journal International. 1597-1610.
  • 2012. Kinematic time migration and demigration of reflections in pre-stack seismic data. Geophysical Journal International. 1635-1666.
  • 2012. Estimation of geological dip and reflector curvature from zero-offset seismic reflections in heterogeneous anisotropic media. Studia Geophysica et Geodaetica. 521-531.
  • 2012. Estimation of geological dip and curvature from time-migrated zero-offset reflections in heterogeneous anisotropic media. Geophysical Prospecting. 201-216.
  • 2009. SS-traveltime parameters from PP and PS reflections. Geophysics. R35-R47.
  • 2007. Improved applicability of ray tracing in seismic acquisition, imaging, and interpretation. Geophysics. SM261-SM271.
  • 1996. Event-oriented velocity estimation based on prestack data in time or depth domain. Geophysical Prospecting. 643-686.
  • 1996. Estimation of multivalued arrivals using wavefront construction - Part II: Tracing and interpolation. Geophysical Prospecting. 843-848.
  • 1996. Estimation of multivalued arrivals using wavefront construction - Part I. Geophysical Prospecting. 819-842.
  • 1993. Traveltime and amplitude estimation using wavefront construction. Geophysics. 1157-1166.
Report
  • 1986. 3D seismic diffraction modelling. Main project. .
Popular scientific lecture
  • 2019. Hva er geofysikk? Hvor kan jeg få jobb?
Academic lecture
  • 2019. Modeling and inversion of seismic data by combining asymptotic, renormalization and homotopy methods.
  • 2019. Higher-order Hamilton-Jacobi perturbation theory for anisotropic heterogeneous media: transformation between Cartesian and ray-centred coordinates.
  • 2019. Higher-order Hamilton-Jacobi perturbation theory for anisotropic heterogeneous media: dynamic ray tracing in ray-centred coordinates.
  • 2018. Time-migration Tomography based on Reflection Slopes in Pre-stack Time-migrated Seismic.
  • 2018. På vei mot mer studentorientert undervisning og læring i geostatistikk.
  • 2018. Higher-order extrapolation of traveltime and geometrical spreading in anisotropic heterogeneous media.
  • 2018. Higher-order dynamic ray tracing for extrapolation of traveltime and geometrical spreading.
  • 2018. Higher-order Hamilton-Jacobi theory with applications for 3D heterogeneous anisotropic media.
  • 2018. Data Analysis in Geosciences: Fostering Computational Learning.
  • 2017. Time-migration tomography based on reflection slopes, a first test.
  • 2017. On the Parameterization of Seismic Anisotropy in Elastic Waveform Inversion - The HTI Case.
  • 2017. Higher-order Hamilton-Jacobi perturbation equations for anisotropic media.
  • 2016. Twin wavefront construction approach to simulation of shear waves in transversely isotropic layered media.
  • 2009. SS-traveltime parameters from PP- and PS-reflections.
Thesis at a second degree level
  • 1984. 3-D velocity inversion by use of kinematic and dynamic ray-tracing. Cand. scient thesis ( and NORSAR Tech. Rep. 1/83, December 1983).
Doctoral dissertation
  • 2002. From perturbation to propagation of seismic isochrons. Dissertation for the degree Doctor Philosophiae.
Academic chapter/article/Conference paper
  • 2012. Two-point Paraxial Traveltime in inhomogeneous Isotropic/Anisotropic Media - Tests of Accurancy.
Abstract
  • 2018. Time-migration Tomography based on Reflection Slopes in Pre-stack Time-migrated Seismic Data. EAGE extended abstracts.

More information in national current research information system (CRIStin)

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