Dataset description: April 2013 bathymetry collected near Dumbarton Bridge in south San Francisco Bay, California

Bathymetric survey data were collected in April 2013 just south of Dumbarton Bridge in south San Francisco Bay, California. A portion of the main channel was surveyed using an interferometric sidescan sonar system following procedures detailed in Foxgrover and others, 2011. The bathymetry is provided as a 1-m resolution raster in geoTIFF format, referenced to the vertical datum of mean lower low water (MLLW). To convert to the North American Vertical Datum of 1988 (NAVD88), subtract a static offset of 0.37 m (datum conversions provided in Foxgrover and others, 2007).

Version	1
Keywords	interferometric sonar, sidescan sonar, digital elevation models, GPS measurement, bathymetry, bathymetry measurement
Data types	Multibeam
Format	GeoTIFF;
Amount	0.3 MB

Contacts

Contact	Amy Foxgrover PCMSC_data@usgs.gov

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Location of materials and files

Public files	https://doi.org/10.5066/P9BIB67S
Metadata	https://cmgds.marine.usgs.gov/metadata/pcmsc/DataReleases/CMGDS_DR_tool/DR_P9BIB67S/DB_Apr2013_MLLW_bathy_metadata.xml Outline - Questions and answers - Text - XML

Activities and equipment

Activity	Equipment
S0513SF	multibeam Atlas Hydrosweep multibeam-echosounder