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Pacific Coastal and Marine Science Center

Seafloor Mapping

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Los Angeles Margin

Perspective view of Long Beach Shelf adjacent to Huntington Beach

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Long Beach Perspective View

Figure 2. Perspective view of continental shelf adjacent to Huntington Beach, CA looking north. Seafloor image is backscatter draped over bathymetry; reds and oranges are high backscatter, blues and greens are low backscatter. Gray area is land, black area is unmapped. Linear high-backscatter seafloor features perpendicular to coastline are depressions ~20-m wide,and ~0.5-m deep. Distance across bottom of image is 2.7 km, water depth range from 25 m to 70 m deep. Vertical exaggeration 10x.

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