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Model Parameterization

Model Parameterization. Standardized input and interpolation of a , b , r Geophysical constraints and relations between parameters. Unfriendly Code Input. Ray codes Integration paths Filtering, instruments, source-time functions.

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Model Parameterization

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  1. Model Parameterization • Standardized input and interpolation of a, b, r • Geophysical constraints and relations between parameters

  2. Unfriendly Code Input • Ray codes • Integration paths • Filtering, instruments, source-time functions C NOTE. IN THE FOLLOWING, THERE ARE NLEGS+NDISC LINES C EACH JSEG LINE, UNLESS NUMBER(JSEG) IS NEGATIVE (IN WHICH C CASE THE NLEGS+NDISC LINES FROM THE PREVIOUS JSEG ARE IMPLIED). C DO 100 JSEG=1,NSEG C READ(KR,*) BOTTOM,TOP,NUMBER,KIIN,KPULSE,IFRSHF,NLEGS,NDISC, C 2 IDEL,LDEL

  3. Reference Green’s functions • Seismograms in 1-D models 0.001 to 2 Hz, 0 to 180 degrees • Candidate algorithms: Modes, SPECFEM, FD/pseudospectral

  4. Source-time functions • Reference far-field source time functions for Mw 5.0 to 6.8 • Standard parameterization and digitization; downloadable

  5. Who will do this and how will it be funded? Problem: providing a research tool is not research

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