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Open-File Report 2014–1234

Prepared in cooperation with the National Oceanic and Atmospheric Administration

Bathymetry, Acoustic Backscatter, and Seafloor Character of Farallon Escarpment and Rittenburg Bank, Northern California

By Peter Dartnell, Guy R. Cochrane, and David P. Finlayson

Maps

bathymetry map

Shaded-relief bathymetry of Upper Farallon Escarpment and Rittenburg Bank, CA. The colored shaded-relief bathymetry is from the 2011 USGS mapping available in this report. Gray background shaded relief bathymetry from National Geophysical Data Center, Central California 1-arc second DEM.

 

USGS_backscatter

Acoustic backscatter of Upper Farallon Escarpment and Rittenburg Bank, CA. Imagery from 2011 USGS mapping available in this report.

Farallon Escarpment seafloor character

Seafloor character map of upper Farallon Escarpment interpreted from multibeam bathymety and backscatter data.

 

Rittenburg Bank seafloor character

Seafloor character map of Rittenburg Bank interpreted from multibeam bathymety and backscatter data.

First posted November 24, 2014

For additional information, contact:
Pacific Science Center
U.S. Geological Survey
400 Natural Bridges Drive
Santa Cruz, CA 95060
http://walrus.wr.usgs.gov/

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