Dataset description: Digital elevation model (DEM) created using bathymetry data collected between 1999 and 2016 (MLLW)

A 1-m resolution, continuous surface, bathymetric digital elevation model (DEM) of the northern portion of San Francisco Bay, which includes San Pablo Bay, Carquinez Strait, and portions of Suisun Bay, was constructed from bathymetric surveys collected from 1999 to 2016.

Version	1
Keywords	topography, single-beam echo sounder, multibeam sonar, digital elevation models, geographic information systems, geospatial datasets, GPS measurement, lidar, bathymetry
Data types	Interferometric
Format	GeoTIFF;
Amount	940 MB

Contacts

Contact	Theresa Fregoso PCMSC_data@usgs.gov

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Location of materials and files

Public files	https://www.sciencebase.gov/catalog/file/get/5e16baa2e4b0ecf25c57fc3a https://www.sciencebase.gov/catalog/item/5e16baa2e4b0ecf25c57fc3a https://doi.org/10.5066/P9TJTS8M
Metadata	https://cmgds.marine.usgs.gov/metadata/pcmsc/DataReleases/ScienceBase/DR_P9TJTS8M/NorthSFBay_DEM_Mosaic_MLLW_1m_metadata.xml Outline - Questions and answers - Text - XML

Activities and equipment

Activity	Equipment
2015-633-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.