Peer-Reviewed Publications

In Preparation:

  • Schaeffer, A.J., S. Lebedev and C. Gaina. The Arctic: structure of the lithosphere and asthenosphere imaged using multimode waveform tomography. (Invited contribution, in preparation for Tectonophysics).
  • Schaeffer, A.J. and P. Audet. Distribution of ultramafic magmatism in North America controlled by lithospheric mantle architecture, (in preparation, Geology).
  • Schaeffer, A.J., P. Audet, D. Mallyon*, Y. Chen*, C. Currie and Y.J. Gu. Transient stability: variations in the western Canadian Cordillera-craton boundary, (in preparation, Earth and Planetary Science Letters).
  • McLellan, M.E.* , A.J. Schaeffer, and P. Audet. Rayleigh wave tomography of the northwestern Canadian Cordillera. (In preparation for Tectonphysics).
  • Chen, Y.*, Y.J. Gu, S.-H. Hung, C. Currie, A.J. Schaeffer and P. Audet, Strong Latitudinal Variation in Cordillera-craton Transition Boundary in Southwestern Canada (in preparation).
  • Lebedev, S., E. Burov, J. Fullea, N. Celli*, M. Ravenna*, A.J. Schaeffer, M.R. Agius and R.D. van der Hilst. Origin of the Hangai Dome uplift and volcanism: Lithospheric thinning triggered by a mantle upwelling? Evidence from waveform tomography, broadband surface-wave dispersion, and geodynamic and petrological modelling (in preparation, Tectonophysics).





In Press:

  • Lebedev, S., A.J. Schaeffer, J. Fullea and V. Pease. Seismic and thermal structure of the Arctic Lithosphere. Geological Society of America Circum Arctic Lithosphere Experiment (CALE) Special Collection.
  • Schiffer, C., C. Tegner, A.J. Schaeffer, S.B. Nielsen and V. Pease, The geopotential stress field in the High Arctic and its implications on the geodynamic evolution. Geological Society of America Circum Arctic Lithosphere Experiment (CALE) Special Collection.


  • Schaeffer, A.J., S. Lebedev and T.W. Becker. Azimuthal seismic anisotropy in the Earth’s upper mantle and the thickness of tectonic plates. Geophysical Journal International. 207 (2), pg 901-933. [Link] [PDF] [Supplementary Material] [Models]
  • Audet, P., C. Sole and A.J. Schaeffer. Control of lithospheric inheritance on neotectonic activity in northwestern Canada? Geology. [Link] [PDF]




  • A. J. Schaeffer and S. Lebedev. Global heterogeneity of the lithosphere and underlying mantle: A seismological appraisal based on multimode surface-wave dispersion analysis, shear-velocity tomography, and tectonic regionalization. in A. Khan and F. Deschamps (eds.), The Earth’s Heterogeneous Mantle, Springer Geophysics, pg 3-46. doi:10.1007/978-3-319-15627-9_1 [PDF (15Mb)]
  • Becker, T.W., A.J. Schaeffer, S. Lebedev, and C.P. Conrad. Toward a generalized plate motion reference frame. Geophysical Research Letters, 42, pg 1-9, doi:10.1002/2015GL063695. [Link] [PDF]


  • A. J. Schaeffer and S. Lebedev. Imaging the North American continent using waveform inversion of global and USArray Data. Earth and Planetary Science Letters, 402, pg 26-41, 2014. doi:10.1016/j.epsl.2014.05.014 [Link] [PDF] [SL2013NA Model]
  • T. W. Becker, C.P. Conrad, A.J. Schaeffer, and S. Lebedev. Origin of azimuthal seismic anisotropy in oceanic plates and mantle. Earth and Planetary Science Letters, 401, pg 236-250, doi:10.1016/j.epsl.2014.06.014, 2014. [Link][PDF]
  • Licciardi, A., N. Piana Agostinetti, S. Lebedev, A.J. Schaeffer, P. Readman, and C. Horan. Moho depth and Vp/Vs in Ireland from teleseismic receiver function analysis. Geophysical Journal International199, pg 561-579, 2014. [Link] [PDF]


  • A. J. Schaeffer and S. Lebedev. Global shear speed structure of the upper mantle and transition zone. Geophysical Journal International, 194, pg 417-449, 2013. doi:10.1093/gji/ggt095 [Link] [PDF] [SL2013sv Model]


  • A.J. Schaeffer and M.G. Bostock. A low-velocity zone atop the transition zone in northwestern Canada. Journal of Geophysical Research, 115, pg 1-22, 2010.  doi:10.1029/2009JB006856, 2010. [Link] [PDF]


  • P.S. Lipovsky, S.G. Evans, J.J. Clague, C. Hopkinson, R. Couture, P. Babrowsky, G. Ekstrom, M.N. Demuth, K. Delaney, N. Roberts, G.K.C. Clarke, and A.J. Schaeffer. The July 2007 rock and ice avalanches of Mount Steele, St. Elias Mountains, Yukon, Canada. LANDSLIDES, 5, pg 445-455, 2008. [Link] [PDF]


  • Kerton, C.R., L.B.G. Knee, and A.J. Schaeffer. Intermediate-Velocity Gas in the Canadian Galactic Plane Survey. The Astronomical Journal, 131, pg 1501-1514, 2006. [Link] [PDF]

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