2020
DOI: 10.1029/2019jb019139 View full text |Buy / Rent full text
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Abstract: The characteristics of mantle discontinuities at depths of 410 and 660 km are important to study the mantle dynamics. With the advantage of global samplings, the differential travel times and the amplitude ratios of PP and its precursors (PdP) have been extensively used to estimate the topography and the impedance contrast of mantle discontinuities. According to previous studies, effects of large‐scale structures on the PP phase cannot be neglected. Theoretically, the complex near‐surface structure, including … Show more

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