报告人简介：

Daoyuan Sun

Visting Post Doctoral scholar, Carnegie Institution of Washington

Ph.D. 2009, Geophisics, California Institute of Tecnology

Research fields：to study of the deep Earth's interior by emphasizing waveform modeling, involves imaging 3D structures of the lowermost mantle and slabs beneath western US and Italy.

PUBLICATIONS:

2009, Doctor Thesis: Seismic Structure of the Lower Mantle. California Institute of Technology.  Division of Geological and Planetary Sciences

Sun, D. Y., T. R. A. Song, and D. Helmberger (2006), Complexity of D’’ in the presence of slab-debris and phase changes, Geophys. Res. Lett., 33, L12S07, doi:10.1029/2005GL025384.

Sun, D., E. Tan, D. V. Helmberger, and M. Gurnis (2007a), Seismological support for the metastable Superplume model, sharp features, and phase changes, within the lower mantle, Proc. Natl. Acad. Sci. U. S. A., 104(22), 9151–9155.

Sun, X. L., D. X. Song, S. H. Zheng, and D. V. Helmberger (2007b), Evidence for a chemical-thermal structure at base of mantle from sharp lateral P wave variations beneath Central America, Proc. Natl. Acad. Sci. U. S. A., 104(1), 26–30.

Sun, D., D. Helmberger, X. Song, and S. P. Grand (2007c), Predicting a global Perovskite to Post-Perovskite phase boundary, in Post-perovkiste: The Last Mantle Phase Transition, Geophys. Monogr. Ser. 174, edited by K. Hirose, et al., pp. 155-170, AGU, Washington, D. C.

Sun, D., D. Helmberger (2008), Lower mantle tomography and phase change mapping, J. Geophys. Res., 113, B10305, doi:10.1029/2007JB005289.

Sun, D., D. Helmberger, S. Ni, and D. Bower (2009), Direct measures of lateral velocity variation in the deep Earth, J. Geophys. Res., 114, B05303, doi:10.1029/2008JB005873.

Sun, D., Helmberger, D. & Gurnis M., 2010. A Narrow, Mid-Mantle Plume below Southern Africa, Geophys. Res. Lett., 37, L09302, doi:10.1029/2009GL042339

Daoyuan Sun and Don Helmberger, 2011 Upper-mantle structures beneath USArray derived from waveform complexity. Geophys. J. Int. (2011) 184, 416–438 doi: 10.1111/j.1365-246X.2010.04847.x