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Davies DR, Goes S, Davies JH, Schuberth BSA, Bunge HP, Ritsema J, Reconciling dynamic and seismic models of Earth's lower mantle: the dominant role of thermal heterogeneity, Earth Planet. Sci. Lett., 353-354, doi:10.1016/j.epsl.2012.08.016, 2012. |
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Mosca I, Cobden L, Deuss A, Ritsema J, Trampert J, Seismic and mineralogical structures of the lower mantle from probabilistic tomography, J. Geophys. Res., 117, B06304, doi:10.1029/2011JB008851, 2012. |
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Bai L, Ritsema J, Zhao J, Focal depth estimates of earthquakes in the Himalayan-Tibetan region from teleseismic waveform modeling, Earthq. Sci., 25, doi:10.1007/s11589-012-0827-5, 2012. |
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Mooney WD, Ritsema J, Hwang YK*, Crustal seismicity and maximum earthquake magnitudes (Mmax) in stable continental regions: correlation with the seismic velocity of the lithosphere, Earth Planet. Sci. Lett., 357-358, doi:10.1016/j.epsl.2012.08.032, 2012. |
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Ritsema J, Lay T, Kanamori H, The 2011 Tohoku earthquake, Elements, 8, doi:10.2113/gselements.8.3.183, 2012. |
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Cobden L, Mosca I, Trampert J, Ritsema J, On the likelihood of post-perovskite at the core-mantle boundary: a statistical interpretation of seismic observations, Phys. Earth Planet. Int., 210-211, doi:10.1016/j.pepi.2012.08.007, 2012. |
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Bai L, Zhang Y, Ritsema J, An analysis of SS precursors using spectral-element method seismograms, Geophys. J. Int., 187, doi: 10.1111/j.1365-246X.2011.06256.x, 2012. |
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Styles E, Goes S, van Keken PE, Ritsema J, Smith H*, Synthetic images of dynamically predicted plumes and comparison with a global tomographic model, Earth Planet. Sci. Lett., 311, 351–363, 2011. |
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Hwang YK, Ritsema J, Goes S, Global variation of body-wave attenuation in the upper mantle from teleseismic P wave and S wave spectra, Geophys. Res. Lett., 38, L08311, doi:10.1029/2011GL046812, 2011. |
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Hwang YK, Ritsema J, van Keken PE, Goes S, Styles E*, Wave front healing renders deep plumes seismically invisible, Geophys. J. Int., 187, doi: 10.1111/j.1365-246X.2011.05173.x, 2011. |
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Deuss A, Ritsema J, van Heijst H, Splitting function measurements for Earth's longest period normal modes using recent large earthquakes, Geophys. Res. Lett., 38, 10.1029/2010GL046115, 2011. |
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Hwang YK*, Ritsema J, Radial Qm structure of the lower mantle from teleseismic body-wave spectra, Earth Planet. Sci. Lett., 303, 369–275, 10.1016/j.epsl.2001.01.023, 2011. |
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Ritsema J, van Heijst HJ, Deuss A, Woodhouse JH, S40RTS: a degree-40 shear-velocity model for the mantle from new Rayleigh wave dispersion, teleseismic traveltimes, and normal-mode splitting function measurements, Geophys. J. Int., 184, 10.1111/j.1365–246X.2010.04884.x, 2011. |
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Bai L, Tian X, Ritsema J, Crustal structure beneath Indochina peninsula from teleseismic receiver functions, Geophys. Res. Lett., 37, L24308, 10.1029/2010GL044874, 2010. |
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Bull AL, McNamara AK, Becker TW, Ritsema J, Global scale models of the mantle flow field predicted by synthetic tomography models, Phys. Earth Planet. Int., 182, 10.1016/j.pepi.2010.03.004, 2010. |
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Zhang Y, Ritsema J, Thorne M, Modeling the ratios of SKKS and SKS amplitudes with ultra-low velocity zones at the core-mantle boundary, Geophys. Res. Lett., 36, L19303, 10.1029/2009GL040030, 2009. |
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Ritsema J, van Heijst HJ, Woodhouse JH, Deuss A, Long-period body-wave traveltimes through the crust: Implication for crustal corrections and seismic tomography, Geophys. J. Int., 179, 1255–1261, 10.1111/j.1365–246X.2009.04365.x, 2009. |
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Ritsema J, Cupillard P, Tauzin B, Xu W, Stixrude L, Lithgow-Bertelloni C, Joint mineral physics and seismic wave travel time analysis of upper mantle temperature, Geology, 37, 363–366, 2009. |
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Gu YJ, An Y, Sacchi M, Schultz R, Ritsema J, Mantle reflectivity structure beneath oceanic hotspots, Geophys. J. Int., 178, 1456–1472, 2009. |
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Schuberth BSA, Bunge HP, Ritsema J, Tomographic filtering of mantle circulation models: can seismic heterogeneity be explained by temperature alone? Geochem. Geophys. Geosys., 10, 10.1029/2009GC002401, 2009. |
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Hwang YK, Ritsema J, Goes S, Spatial variations of P wave attenuation in the mantle beneath North America, J. Geophys. Res., 114, B06312, 10.1029/2008JB006091, 2009. |
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Bull AL*, McNamara AK, Ritsema J, Synthetic tomography of plume clusters and thermochemical piles, Earth Planet. Sci. Lett., 278, 152–162, 10.1016/j.epsl.2008.11.018, 2009. |
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Ritsema J, Xu W, Stixrude L, Lithgow-Bertelloni C, Estimates of the transition zone temperature in a mechanically mixed upper mantle, Earth Planet. Sci. Lett., 277, 244–252, 2009. |
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Xu W, Lithgow-Bertelloni C, Stixrude L, Ritsema J, The effect of bulk composition and temperature on mantle seismic structure, Earth Planet. Sci. Lett., 275, 70–79, 2008. |
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Merrer S, Cara M, Rivera L, Ritsema J, Upper mantle structure beneath continents: new constraints from multi-mode Rayleigh wave data in western North America and southern Africa, Geophys. Res. Lett., 34, L06309, doi: 10.1029/2006GL028939, 2007. |
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Ritsema J, McNamara AK, Bull A , Tomographic filtering of geodynamic models: implications for model interpretation and large-scale mantle structure, J. Geophys. Res., 112, 10.1029/2006JB004566, 2007. |
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Ritsema J, Global seismic structure maps, in Foulger, G.R., Natland, J.H., Presnall, D.C., & Anderson, D.L., eds., Plates, Plumes, and Paradigms: Geological Society of America Special Paper 388, 11-18, doi 10.1130/2005.2388, 2005. |
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Ritsema J, van Heijst HJ, Woodhouse JH, Global transition zone tomography, J. Geophys. Res., 109, 1029/2003JB002610, 2004. |
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Venkatamaran *, Nyblade AA, Ritsema J, Upper mantle Q and thermal structure beneath Tanzania, East Africa from teleseismic P wave spectra, Geophys. Res. Lett., 31, 10.1029/2004GL020351, 2004. |
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Ritsema J, Allen RM, The elusive mantle plume, Earth Planet. Sci. Lett., 207, 1–12, 2003.
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Trampert J, Paulssen H, van Wettum A, Ritsema J, Clayton R, Castro R, Rebollar C, and Perez-Vertti A, New array monitors seismic activity near the Gulf of California in Mexico, EOS, 84, 29,32, 2003.
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Komatitsch D, Ritsema J, Tromp J, The spectral-element method, Beowulf computing, and global seismology, Science, 298, 1737–1742, 2002.
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Ritsema J, Rivera LA, Komatitsch D, Tromp J, van Heijst HJ, Effects of crust and mantle heterogeneity on PP/P and SS/S amplitude ratios, Geophys. Res. Lett., 29, 10.1029/2001GL013831, 2002.
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Ritsema J, van Heijst HJ, Constraints on the correlation of P and S-wave velocity heterogeneity in the mantle from P, PP, PPP, and PKPab travel-times, Geophys. J. Int., 149, 482–489, 2002.
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Montagner JP, Ritsema J, Interactions between ridges and plumes, Science, 294, 1472–1473, 2001. |
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Nyblade AA, Owens TJ, Gurrola H, Ritsema J, Langston CA, Seismic evidence for a deep upper mantle thermal anomaly beneath East Africa, Geology, 28, 599–602, 2000.
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King SD, Ritsema J, African hotspot volcanism: small-scale convection in the upper mantle beneath cratons, Science, 290, 1137–1140, 2000.
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Ritsema J, van Heijst HJ, New seismic model of the upper mantle beneath Africa, Geology, 28, 63–66, 2000.
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Helmberger D, Ni S, Wen L, Ritsema J, Seismic evidence for ultra-low velocity zones beneath Africa and eastern Atlantic, J. Geophys. Res., 105, 23,865–23,878, 2000.
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Gurnis M, Ritsema J, van Heijst HJ, Zhong S, Tonga slab deformation: The influence of a lower mantle upwelling on a slab in a young subduction zone, Geophys. Res. Lett., 27, 2373–2376, 2000.
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Gurnis M, Mitrovica JX, Ritsema J, van Heijst HJ, Constraining mantle density structure using geological evidence of surface uplift rates: The case of the African superplume, Geochem. Geophys. Geosyst., 1, 2000.
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Ritsema J, Evidence for shear velocity anisotropy in the lowermost mantle beneath the Indian Ocean, Geophys. Res. Lett., 27, 1041–1044, 2000. |
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Ritsema J, van Heijst HJ, New seismic model of the upper mantle beneath Africa, Geology, 28, 63–66, 2000. |
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Ritsema J, van Heijst HJ, Woodhouse JH, Complex shear wave velocity structure imaged beneath Africa and Iceland, Science, 286, 1925–1928, 1999. |
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Crotwell HP*, Owens TJ, Ritsema J, The TauP Toolkit: Flexible seismic travel time and ray path utilities, Seismol. Res. Lett., 70, 2, 154–160, 1999. |
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Ritsema J, Lay T, Garnero EJ, Benz H, Seismic anisotropy in the lowermost mantle beneath the Pacific, Geophys. Res. Lett., 25, 1229–1232, 1998.
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Ritsema J, Ni S, Helmberger DV, Crotwell HP, Evidence for strong shear velocity reductions and velocity gradients in the lower mantle beneath Africa, Geophys. Res. Lett., 25, 4245–4248, 1998.
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Ritsema J, Nyblade AA, Owens TJ, Langston CA, VanDecar JC, Upper mantle seismic velocity structure beneath Tanzania, east Africa: Implications for the stability of cratonic lithosphere, J. Geophys. Res., 103, 21,201–21,213, 1998.
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Ritsema J, Garnero EJ, Lay T, A strongly negative shear velocity gradient and lateral variability in the lowermost mantle beneath the Pacific, J. Geophys. Res., 102, 20,395–20,411, 1997.
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Ritsema J, Hagerty M, Lay T, Comparison of broadband and short-period seismic waveform stacks: Implications for upper-mantle discontinuity structure, Geophys. Res. Lett., 22, 2151–2154, 1995.
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Ritsema J, Hagerty M, Lay T, Comparison of broadband and short-period seismic waveform stacks: Implications for upper-mantle discontinuity structure, Geophys. Res. Lett., 22, 2151–2154, 1995.
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Dreger D, Ritsema J, Pasyanos M, Broadband analysis of the 21 September, 1993, Klamath Falls earthquake sequence, Geophys. Res. Lett., 22, 997–1000, 1995.
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Goes S, Ritsema J, A broadband P wave analysis of the large deep Fiji Island and Bolivia earthquakes of 1994, Geophys. Res. Lett., 22, 2249–2252, 1995.
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Ritsema J, Ward SN, González FI, Inversion of deep-ocean tsunami records for 1987 to 1988 Gulf of Alaska earthquake parameters, Bull. Seismol. Soc. Am., 85, 747–754, 1995. |
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Lay T, Ammon CA, Velasco AA, Ritsema J, Wallace TC, Patton HJ, Near-real time seismology: Rapid analysis of earthquake faulting in the United States, GSA Today, 4, 129, 132–134, 1994. |
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Lay T, Ritsema J, Ammon C, Wallace T, Rapid source mechanism analysis of the April 29, 1993 Cataract Creek (Mw=5.3), Northern Arizona earthquake, Bull. Seismol. Soc. Am, 84, 451–457, 1994. |
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Ritsema J, Lay T, Rapid source mechanism determination of large (Mw>5) earthquakes in the western United States, Geophys. Res. Lett., 20, 1611–1614, 1993. |
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