L20_SeismicRefractionIII-page9

L20_SeismicRefractionIII-page9 - Areas that are black have...

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Applied Geophysics – Refraction III GPR survey lines spaced 0.5 m apart Injection well ERT borehole NC Line NC Line EC Line EC Line 0 2.5 5 m Boundary of backgroundsurveys Boundary of surveys during injection Line 18 Air sparging: Testing effectiveness Applied Geophysics – Refraction III Figure 6 – (a) Velocity model for background refraction data along line EC. (b) Velocity model for background refraction data along line (NC). (c) Ray density for the velocity image of the background refraction data collected along line EC shown in (a).
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Unformatted text preview: Areas that are black have a ray density less than unity. Vertical black arrows and white triangles represent the shot and geophone locations, 5 10 15 20 25 0.0 1.0 2.0 3.0 Distance (m) Depth (m) 5 10 15 20 25 30 35 40 Ray Density 5 10 15 20 25 0.0 1.0 2.0 3.0 Distance (m) 5 10 15 20 25 0.0 1.0 2.0 3.0 Distance (m) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 Velocity (m/ms) W E N S W...
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