Publications
2023
Scholarly publications
Rost, S., Frost, D. A., Nowacki, A., & Cobden, L. (2023). Wavefield distortion imaging of Earth's deep mantle. Earth and Planetary Science Letters, 604, 1-12. [118011]. https://doi.org/10.1016/j.epsl.2023.118011
Rijal, A., Cobden, L., Trampert, J., Marquardt, H., & Jackson, J. (2023). Shear properties of MgO inferred using neural networks. European Journal of Mineralogy, 35(1), 45-58. https://doi.org/10.5194/ejm-35-45-2023
2022
Scholarly publications
Deschamps, F., & Cobden, L. (2022). Estimating core-mantle boundary temperature from seismic shear velocity and attenuation. Frontiers in Earth Science, 10, [1031507]. https://doi.org/10.3389/feart.2022.1031507
Thomas, C., Cobden, L. J., & Jonkers, A. R. T. (2022). D" Reflection Polarities Inform Lowermost Mantle Mineralogy. Geochemistry, Geophysics, Geosystems, 23(10), [e2021GC010325]. https://doi.org/10.1029/2021GC010325
Lessing, S., Dobson, D. P., Rost, S., Cobden, L., & Thomas, C. (2022). Kinetic effects on the 660-km-phase transition in mantle upstreams and seismological implications. Geophysical Journal International, 231(2), 877-893. https://doi.org/10.1093/gji/ggac196
Kuwayama, Y., Hirose, K., Cobden, L., Kusakabe, M., Tateno, S., & Ohishi, Y. (2022). Post-Perovskite Phase Transition in the Pyrolitic Lowermost Mantle: Implications for Ubiquitous Occurrence of Post-Perovskite Above CMB. Geophysical Research Letters, 49(1), 1-9. [e2021GL096219]. https://doi.org/10.1029/2021gl096219
2021
Scholarly publications
Ritsema, J., Maguire, R., Cobden, L., & Goes, S. (2021). Seismic Imaging of Deep Mantle Plumes. In Mantle Convection and Surface Expressions (pp. 353-369). (Geophysical Monograph Series; Vol. 263). Wiley-Blackwell. https://doi.org/10.1002/9781119528609.ch14
Rijal, A., Cobden, L., Trampert, J., Jackson, J. M., & Valentine, A. (2021). Inferring material properties of the lower mantle minerals using Mixture Density Networks. Physics of the Earth and Planetary Interiors, 319, 1-17. [106784]. https://doi.org/10.1016/j.pepi.2021.106784
2020
Scholarly publications
Cobden, L. (2020). Melt mapped inside Earth's mantle. Nature, 586(7830), 506-507. https://doi.org/10.1038/d41586-020-02925-x
2019
Scholarly publications
Rijal, A., Cobden, L., Trampert, J., Valentine, A., & Jackson, J. (2019). Inferring equations of state of the lower mantle minerals using Artificial Neural Networks (ANNs). Poster session presented at AGU Fall Meeting 2019, San Fransisco, California, United States.
Rijal, A., Cobden, L., Trampert, J., & Valentine, A. (2019). Inferring equations of state of the lower mantle minerals using Artificial Neural Networks (ANNs). Poster session presented at Nederlands Aardwetenschappelijk Congres 2019, Utrecht, Netherlands.
Rijal, A., Cobden, L., Trampert, J., & Valentine, A. (2019). Inferring equations of state of the lower mantle minerals using Artificial Neural Networks (ANNs). Poster session presented at UK-SEDI.
Deschamps, F., Konishi, K., Fuji, N., & Cobden, L. (2019). Radial thermo-chemical structure beneath Western and Northern Pacific from seismic waveform inversion. Earth and Planetary Science Letters, 520, 153-163. https://doi.org/10.1016/j.epsl.2019.05.040
Stockmann, F., Cobden, L., Deschamps, F., Fichtner, A., & Thomas, C. (2019). Investigating the seismic structure and visibility of dynamic plume models with seismic array methods. Geophysical Journal International, 219(Supplement_1), S167-S194. https://doi.org/10.1093/gji/ggz334
Saki, M., Thomas, C., Cobden, L., Abreu, R., & Buchen, J. (2019). Causes for polarity reversals of PP precursor waves reflecting off the 410 km discontinuity beneath the Atlantic. Physics of the Earth and Planetary Interiors, 286, 111-126. https://doi.org/10.1016/j.pepi.2018.11.007
2018
Scholarly publications
Stockmann, F., Cobden, L. J., Deschamps, F., Fichtner, A., & Thomas, C. (2018). Investigating the seismic structure and visibility of dynamic plume models. Poster session presented at SEDI 2018, Edmonton, Alberta, Canada.
Cobden, L., Trampert, J., & Fichtner, A. (2018). Insights on Upper Mantle Melting, Rheology, and Anelastic Behavior From Seismic Shear Wave Tomography. Geochemistry, Geophysics, Geosystems, 19(10), 3892-3916. https://doi.org/10.1029/2017GC007370
2017
Other output
Cobden, L. J., Trampert, J. A., Fichtner, A., & Davies, R. (2017). Identifying partial melt in seismic images of the upper mantle. Abstract from Goldschmidt 2017, Paris, France.
2016
Scholarly publications
Simutė, S., Steptoe, H., Cobden, L., Gokhberg, A., & Fichtner, A. (2016). Full-waveform inversion of the Japanese Islands region. Journal of Geophysical Research: Solid Earth, 121(5), 3722-3741. https://doi.org/10.1002/2016JB012802
Thio, V., Cobden, L. J., & Trampert, J. A. (2016). Seismic signature of a hydrous mantle transition zone. Physics of the Earth and Planetary Interiors, 250, 46-63. https://doi.org/10.1016/j.pepi.2015.11.005
Other output
Cobden, L. J., Trampert, J. A., Fichtner, A., & Davies, R. (2016). Evidence for deep melting in the European upper mantle from seismology. Abstract from AGU Fall Meeting 2016, San Fransisco, California, United States.
Cobden, L. J., Thio, V., & Trampert, J. A. (2016). What can seismology tell us about water in the mantle transition zone. Abstract from AGU Fall Meeting 2016, San Fransisco, California, United States.
Cobden, L. J., Trampert, J. A., & Fichtner, A. (2016). Evidence for deep melting in the European upper mantle from seismology. Abstract from SEDI 2016, Nantes, France.
Cobden, L. J., Thio, V., & Trampert, J. A. (2016). What can seismology tell us about water in the mantle transition zone. Abstract from Goldschmidt 2016, Yokohama, Japan.
Trampert, J. A., Cobden, L. J., & Fichtner, A. (2016). Evidence for deep melting in the European upper mantle from seismology. Abstract from Goldschmidt 2016, Yokohama, Japan.
Cobden, L. J., Thio, V., & Trampert, J. A. (2016). Using seismology to map water in the mantle transition zone. Abstract from EGU 2016, Vienna, Austria.
2015
Scholarly publications
Cobden, L. J., Trampert, J. A., & Fichtner, A. (2015). Understanding slow velocities in the European upper mantle – evidence for melting?.
Cobden, L. J., Fichtner, A., & Tong, V. (2015). Waveform tomography in geophysics and helioseismology. In V. Tong, & R. Garcia (Eds.), Extraterrestrial Seismology (pp. 365-377). Cambridge University Press. https://doi.org/10.1017/CBO9781107300668
Cobden, L., Thomas, C., & Trampert, J. (2015). Seismic detection of post-perovskite inside the Earth. In A. Khan, & F. Deschamps (Eds.), The Earth's Heterogeneous Mantle: A Geophysical, Geodynamical, and Geochemical Perspective (pp. 391-440). (Springer Geophysics). Springer. https://doi.org/10.1007/978-3-319-15627-9_13
Other output
Cobden, L. J., Trampert, J. A., & Fichtner, A. (2015). Understanding slow velocities in the European upper mantle - evidence for melting?. Abstract from AGU Fall Meeting 2015, San Francisco, California, United States.
2014
Scholarly publications
Lessing, S., Thomas, C., Rost, S., Cobden, L., & Dobson, D. P. (2014). Mantle transition zone structure beneath India and Western China from migration of PP and SS precursors. Geophysical Journal International, 197(1), 396-413. https://doi.org/10.1093/gji/ggt511
Professional publications
Cobden, L. (2014). The Challenge of Combining Research and Teaching: A Young Geoscientist’s Perspective. In V. C. H. Tong (Ed.), Geoscience Research and Education: Teaching at Universities (pp. 21-28). (Innovation in Science Education and Technology; Vol. 20). Springer. https://doi.org/10.1007/978-94-007-6946-5_3
2013
Scholarly publications
Cobden, L., & Thomas, C. (2013). The origin of D'' reflections: A systematic study of seismic array data sets. Geophysical Journal International, 194(2), 1091-1118. https://doi.org/10.1093/gji/ggt152
2012
Scholarly publications
Deschamps, F., Cobden, L., & Tackley, P. J. (2012). The primitive nature of large low shear-wave velocity provinces. Earth and Planetary Science Letters, 349-350, 198-208. https://doi.org/10.1016/j.epsl.2012.07.012
Mosca, I., Cobden, L., Deuss, A., Ritsema, J., & Trampert, J. (2012). Seismic and mineralogical structures of the lower mantle from probabilistic tomography. Journal of Geophysical Research: Solid Earth, 117(B6), 1978-2012. [B06304]. https://doi.org/10.1029/2011JB008851
Cobden, L., Mosca, I., Trampert, J., & Ritsema, J. (2012). On the likelihood of post-perovskite near the core-mantle boundary: A statistical interpretation of seismic observations. Physics of the Earth and Planetary Interiors, 210-211, 21-35. https://doi.org/10.1016/j.pepi.2012.08.007
2011
Scholarly publications
Cobden, L. J., Tong, C. H., & Warner, M. R. (2011). Inversion of full acoustic wavefield in local helioseismology: A study with synthetic data. Astrophysical Journal, 727(2), 1-5. [68]. https://doi.org/10.1088/0004-637X/727/2/68
2010
Scholarly publications
Cobden, L. J., Tong, C. H., & Warner, M. R. (2010). Influence of acoustic source density on cross-correlated signals: implications for amplitude-based tomography in helioseismology. Astrophysical Journal, 725(1), 313-318.
2009
Scholarly publications
Cobden, L., Goes, S., Ravenna, M., Styles, E., Cammarano, F., Gallagher, K., & Connolly, J. A. D. (2009). Thermochemical interpretation of 1-D seismic data for the lower mantle: The significance of nonadiabatic thermal gradients and compositional heterogeneity. Journal of Geophysical Research: Solid Earth, 114(B11), [B11309]. https://doi.org/10.1029/2008JB006262
Cobden, L., Goes, S., Ravenna, M., Styles, E., Cammarano, F., & Connolly, J. A. D. (2009). Thermochemical interpretation of 1-D seismic data for the lower mantle: The significance of non-adiabatic thermal gradients and compositional heterogeneity. Journal of Geophysical Research: Solid Earth, 114, B11309-doi:10.1029/2008JB006262. http://www.agu.org/pubs/crossref/2009/2008JB006262.shtml
2008
Scholarly publications
Cobden, L., Goes, S., Cammarano, F., & Connolly, J. A. D. (2008). Thermochemical interpretation of one-dimensional seismic reference models for the upper mantle: evidence for bias due to heterogeneity. Geophysical Journal International, 175(2), 627-648.