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1. Photograph of an instrumented oscillatory flow tunnel outfitted with rough-surfaced false floor. |
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2. Photograph of a planar laser and an aSOA placement in incipient motion experiments. |
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3. Photograph of an oscillatory flow tunnel outfitted with movable sand floor, black cloth backdrop, and instrumentation. |
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4. Photographs of buried and unburied round (A) and ellipsoidal (B) artificial sand and oil agglomerates deployed in the sea-floor interaction experiments. |
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5. Photograph of a GoPro camera deployed in the oscillatory flow tank in the trough of the rippled sand bed. |
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6. Photographs of tightly (A) and loosely (B) arranged artificial sand and oil agglomerates to simulate a mat deployment of sand and oil agglomerates. |
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7. Photographs of reference checkerboard placed in the tank after the experiments (A) and the automatically extracted grid corners found during image processing (B). |
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8. Plot of artificial sand and oil agglomerate diameter versus shear-stress on a log scale. |
U.S. Department of the Interior |
U.S. Geological Survey
