Dataset description: Acoustic-backscatter data from repeat side-scan sonar surveys of south San Francisco Bay, California, 2023-2025

Acoustic-backscatter data were collected with a 234 kHz SwathPlus interferometric side-scan sonar during repeat bathymetric surveys of south San Francisco Bay, California between 2023 and 2025. Data were collected and processed by the U.S. Geological Survey (USGS), Pacific Coastal and Marine Science Center (PCMSC) with fieldwork activity number 2023-655-FA. Data are provided as a GeoTIFF images.

Version	1
Keywords	sonar methods, sea-floor acoustic reflectivity, geospatial datasets, marine geophysics
Data types	Interferometric
Format	GeoTIFF;
Amount	5.1 MB

Contacts

Contact	Samantha C McGill [email protected]

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Location of materials and files

Public files	https://cmgds.marine.usgs.gov/data-releases/datarelease/10.5066-P14D723N/ https://doi.org/10.5066/P14D723N
Metadata	https://cmgds.marine.usgs.gov/metadata/pcmsc/DataReleases/CMGDS_DR_tool/DR_P14D723N/DMP23_backscatter_intensity_metadata.xml Outline - Questions and answers - Text - XML

Activities and equipment

Activity	Equipment
2023-655-FA	SWATH plus-M A Phase Measuring Bathymetric Sonar (PMBS) also known as an Interferometric Sidescan Sonar (ISS) with a frequency of 234.5 kHz.