Near-surface imaging using coincident seismic and GPR data

Details Near-surface imaging using coincident seismic and GPR data Near-surface imaging using coincident seismic and GPR data

Feb 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001georl..28..627b&link_type=abstract

Geophysical Research Letters, Volume 28, Issue 4, p. 627-630

Physics

Geophysics

8

Electromagnetics: Instrumentation And Techniques, Exploration Geophysics: Seismic Methods, Exploration Geophysics: Instruments And Techniques

Scientific paper

In many near-surface applications, detailed sub-surface characterization is important. Characterization often is obtained using ground-penetrating radar (GPR) or shallow seismic-reflection (SSR) imaging methods, depending upon depth of interest and surficial geology. Each method responds to different physical properties; thus, each may produce different images of the same near-surface volume. By incorporating the two methods, we generated a cross-section of the subsurface at an alluvial test site and identified the depths of three interfaces accurately to +/-5 cm. We present here experimental results and examples of SSR and GPR images obtained along the same traverse, showing coincident and noncoincident reflections from multiple interfaces within 3 m of the surface.

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