On the nonuniqueness of receiver function inversions

C. J. Ammon, G. E. Randall, G. Zandt

Research output: Contribution to journalArticlepeer-review

605 Scopus citations

Abstract

To study the resolving power of teleseismic P waveforms for receiver structure, we model synthetic waveforms using a time domain waveform inversion scheme beginning with a range of initial models to estimate the range of acceptable velocity structures. We present the results of more than 235 waveform inversions for one-dimensional velocity structures that indicate that the primary sensitivity of a receiver function is to high wavenumber velocity changes, and a depth-velocity product, not simply velocity. The range of slownesses in a typical receiver function study does not appear to be broad enough to remove the depth-velocity ambiguity; the inclusion of a priori information is necessary. -from Authors

Original languageEnglish (US)
Pages (from-to)15,303-15,318
JournalJournal of geophysical research
Volume95
Issue numberB10
DOIs
StatePublished - 1990
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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