Smooth inversion of VSP traveltime data-Reference-Cited by-同舟云学术

Smooth inversion of VSP traveltime data

Published:1999-05 Issue:3 Volume:64 Page:659-661
ISSN:0016-8033
Container-title:GEOPHYSICS
language:en
Short-container-title:GEOPHYSICS

Author:

Lizarralde Daniel¹,Swift Steve²

Affiliation:

1. Danish Lithosphere Center, Oster Voldgade 10, 1350 Copenhagen K, Denmark.

2. Dept. of Geology and Geophysics, Woods Hole Oceanographic Inst., Woods Hole, Massachusetts 02543.

Abstract

Vertical seismic profile (VSP) direct arrivals provide an insitu measurement of traveltime with depth into the earth. In this note, we describe a weighted, damped least‐squares inversion of VSP traveltimes for a smooth velocity/depth function that inherently reveals the resolution of the data. Smooth velocity/depth profiles of this type are suitable for migration or as a starting models for waveform inversion or tomography. The application of this inversion is particularly simple, requiring only the value of the damping parameter to be determined, and this value is determined from residual statistics.

Publisher

Society of Exploration Geophysicists

Subject

Geochemistry and Petrology,Geophysics

Link

https://library.seg.org/doi/pdf/10.1190/1.1444574

Reference9 articles.

1. Occam’s inversion: A practical algorithm for generating smooth models from electromagnetic sounding data

2. Menke, W., 1984, Geophysical data analysis: Discrete inverse theory: Academic Press.

3. Velocity determination from offset vertical seismic profiling data

4. An analytic generalized inverse for common‐depth‐point and vertical seismic profile traveltime equations

5. Numerical verification and extension of an analytic generalized inverse for common‐depth‐point and vertical‐seismic‐profile traveltime equations

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