| Haugland, S. M., Ritsema J., van Keken P. E., Nissen-Meyer T., Analysis of PKP scattering using mantle mixing simulations and axisymmetric 3D waveforms, Phys. Earth Planet. Int., 276, doi.org/10.1016/j.pepi.2017.04.00, 2018. |
| Koelemeijer, P., Deuss, A., Ritsema, J., Density structure of Earth’s lowermost mantle from Stoneley mode splitting observations, Nature Comm., 8, doi:10138/ncomms15241, 2017. |
| Haugland, S. M., Ritsema, J., Kaneshima, S., Thorne, M. S., Estimate of the rigidity of eclogite in the lower mantle from waveform modeling of broadband S-to-P wave conversions, Geophys. Res. Lett., 44, doi.org/10.1002/2017GL075463, 2017. |
| Godfrey, K. E., Dalton C. A., Ritsema J., Seafloor age dependence of Rayleigh wave phase velocities in the Indian Ocean, Geochem. Geophys. Geosyst., 18,doi:10.1002/2017GC006824, 2017. |
| Maguire, R., Ritsema J., Goes S., Signals of 660 km topography and harzburgite enrichment in seismic images of whole-mantle upwellings, Geophys. Res. Lett., 44, doi:10.1002/2017GL073120, 2017. |
| Maguire, R., Ritsema, J., van Keken, P .E.., Fichtner, A. and Goes, S., P and S wave delays caused by thermal plumes, Geophys. J. Int., 206, 10.1093/gji/ggw187, 2016. |
| Koelemeijer, P., Ritsema, J., Deuss, A., van Heijst, H. J., SP12RTS: a degree-12 model of shear-and compressional-wave velocity for Earth’s mantle, Geophys. J. Int., 204, 1024–1039, 2016. |
| Chaves, C. A. M., Ritsema, J., The influence of shear-velocity heterogeneity on ScS2/ScS amplitude ratios and estimates of Q in the mantle, Geophys. Res. Lett.,43, 7997–8005, 2016. |
| Chaves, C., Ussami, N., Ritsema, J., Density and P-wave velocity structure beneath the Paraná Magmatic Province: Refertilization of an ancient lithospheric mantle, Geochem., Geophys., Geosys., 17, 3054–3074, 2016. |
| Bai, L., Liu, H., Ritsema, J., Mori, J., Zhang, T., Ishikawa, Y. and Li, G., Faulting structure above the Main Himalayan Thrust as shown by relocated aftershocks of the 2015 Mw7. 8 Gorkha, Nepal, earthquake, Geophys. Res. Lett., 43, 637–642, 2016. |
| Bao, X., Dalton, C. A., Ritsema, J., Effects of elastic focusing on global models of Rayleigh wave attenuation, Geophys. J. Int., 207, 1062–1079, 2016. |
| Ballmer MD, Schmerr NC, Nakagawa T, Ritsema J, Compositional mantle layering revealed by slab stagnation at ~1000-km depth, Sci. Adv., 1, e1500815, doi: 10.1126/sciadv.1500815, 2015. |
| Koelemeijer P, Ritsema J, Deus A, van Heijst HJ, SP12RTS: a degree-12 model of shear- and compressional-wave velocity for Earth’s mantle, Geophys. J. Int. 204, doi: 10.1093/gji/ggv481, 2015. |
| Hirsch .C, Dalton CA, Ritsema J, Constraints on shear velocity in the cratonic upper mantle from Rayleigh wave phase velocity, Geochem. Geophys. Geosys., doi: 10.1002/2015GC006066, 2015. |
| Chang SJ, Ferreira AMG, Ritsema J, van Heijst HJ, Woodhouse, JH, Joint inversion for global isotropic and radially anisotropic mantle structure including crustal thickness perturbations, J. Geophys. Res., 120, doi: 10.1002/2014JB011824, 2015. |
| Chang SJ, Ferreira AMG, Ritsema J, van Heijst HJ, Woodhouse JH Global radially anisotropic mantle structure from multiple datasets: A review, current challenges, and outlook. Tectonophys., 617 1-19. doi:10.1016/j.tecto.2014.01.033, 2014. |
| Thorne MS, Zhang Y, Ritsema J, Evaluation of 1D and 3D seismic models of the Pacific lower mantle with S, SKS and SKKS traveltimes and amplitudes, J. Geophys. Res., 118, doi: 10.1002/jgrb.50054, 2013. |
| Goes S, Eakin C, Ritsema J, Lithospheric cooling trends and deviations in oceanic PP-P and SS-S differential traveltimes, J. Geophys. Res., 118, doi: 10.1002/jgrb.50092, 2013. |
| Trampert J, Fichtner A, Ritsema J, Resolution tests revisited: the power of random numbers, Geophys. J. Int., 192, 676–680, 2013. |
| Deuss A, Ritsema J, van Heijst HJ, A new catalogue of normal-mode splitting function measurements up to 10 mHz, Geophys. J. Int., 193, doi: 10.1093/gji/ggt010, 2013. |
| Koelemeijer P, Deuss A, Ritsema J, Observations of core-mantle boundary Stoneley modes, Geophys. Res. Lett., 40, doi: 10.1002/grl.50514, 2013. |
| Bai L, Medina Luna L, Hetland EA, Ritsema J, Focal depths and mechanisms of Tohoku-Oki aftershocks from teleseismic P wave modeling, Earthq. Sci., 10.1007/s11589-013-0036-x, 2013. |
| Bai L, Ritsema J, The effect of large-scale shear-velocity heterogeneity on SS precursor amplitudes, Geophys. Res. Lett., 40, 10.1002/2013GL058669, 2013. |
| 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. |
| 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. |
| 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. |
| 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. |
| Ritsema J, Lay T, Kanamori H, The 2011 Tohoku earthquake, Elements, 8, doi:10.2113/gselements.8.3.183, 2012. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| Bai L, Tian X, Ritsema J, Crustal structure beneath Indochina peninsula from teleseismic receiver functions, Geophys. Res. Lett., 37, L24308, 10.1029/2010GL044874, 2010. |
| 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. |
| 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. |
| 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. |
| 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. |
| Gu YJ, An Y, Sacchi M, Schultz R, Ritsema J, Mantle reflectivity structure beneath oceanic hotspots, Geophys. J. Int., 178, 1456–1472, 2009. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| Ritsema J, van Heijst HJ, Woodhouse JH, Global transition zone tomography, J. Geophys. Res., 109, 1029/2003JB002610, 2004. |
| 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. |
| Ritsema J, Allen RM, The elusive mantle plume, Earth Planet. Sci. Lett., 207, 1–12, 2003. |
| 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. |
| Komatitsch D, Ritsema J, Tromp J, The spectral-element method, Beowulf computing, and global seismology, Science, 298, 1737–1742, 2002. |
| 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. |
| 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. |
| Montagner JP, Ritsema J, Interactions between ridges and plumes, Science, 294, 1472–1473, 2001. |
| 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. |
| King SD, Ritsema J, African hotspot volcanism: small-scale convection in the upper mantle beneath cratons, Science, 290, 1137–1140, 2000. |
| Ritsema J, van Heijst HJ, New seismic model of the upper mantle beneath Africa, Geology, 28, 63–66, 2000. |
| 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. |
| 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. |
| 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. |
| Ritsema J, Evidence for shear velocity anisotropy in the lowermost mantle beneath the Indian Ocean, Geophys. Res. Lett., 27, 1041–1044, 2000. |
| Ritsema J, van Heijst HJ, New seismic model of the upper mantle beneath Africa, Geology, 28, 63–66, 2000. |
| Ritsema J, van Heijst HJ, Woodhouse JH, Complex shear wave velocity structure imaged beneath Africa and Iceland, Science, 286, 1925–1928, 1999. |
| 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. |
| Ritsema J, Lay T, Garnero EJ, Benz H, Seismic anisotropy in the lowermost mantle beneath the Pacific, Geophys. Res. Lett., 25, 1229–1232, 1998. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| Dreger D, Ritsema J, Pasyanos M, Broadband analysis of the 21 September, 1993, Klamath Falls earthquake sequence, Geophys. Res. Lett., 22, 997–1000, 1995. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
