Figure 6. The maps use a surface...

Figure 6.

Two contour maps show surface elevation around a rectangular structure at 25 seconds and 4500 seconds.

The maps use a surface elevation scale from negative 0.07 metre to 0.04 metre. At 25 seconds, surface elevation varies mildly around the rectangular structure. At 4500 seconds, the area near the structure includes negative 0.02 metre contours, and a raised region appears beyond the structure with 0.02 metre contours.

Predicted bed level change $η$ (m) around the square cofferdam at $t = 25$ s and $t = 4500$ s. Dashed contours indicate $η = \pm 0.02$ m, the blue cross-marks the location of maximum scour, and the red cross-marks the location of maximum deposition at $t = 4500$ s

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