NOAA > NESDIS > NCEI (formerly NGDC) > Marine Geology and Geophysics > Bathymetry & Relief privacy policy  All Bathy/Relief Coastal DEMs Fishing Global Lakes Multibeam NOS

Report for W00531 Original data was collected or contracted by eTrac Locality: San Francisco Bay Sublocality: ESE of Yerba Buena Island State(s) or Region(s): California Start Date: 2019-11-04 End Date: 2019-11-07 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Download times vary depending on file size and data transfer rates. Download All Products for W00531

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Survey Products

Descriptive Report and Metadata Documents

NOAA/NOS Descriptive Report & Survey Metadata
Products listed in the project descriptive report (DR) may not reflect final products available through NCEI.
W00531_DR.pdf	18.41MB	The document may be read using a free Adobe Reader.
W00531_DR.xml	4.7KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO Metadata Record
W00531 View / Download W00531.xml		Usually presented as an XML document, which captures the basic characteristics of HSMDB metadata verified from H10000 (1982) to the present as well as F00200 (1965) to the present.

Bathymetry

Survey products may use different units, datums or projections than the associated survey. Please consult product-specific metadata for additional details.
Bathymetric Attributed Grid (BAG) Data
The BAG format is a gridded, multi-dimensional bathymetric data file (see Open Navigation Surface). Readable with various applications such as the free CARIS Easy View, ESRI ArcGIS or open source GDAL. The BAGXYZ files are ascii representations of the BAG data in XYZ format, but do not include uncertainty.
W00531_MB_1m_MLLW_1of1.bag	0.83MB
Ellipsoid Referenced BAG Files
Ellipsoid referenced Bag files have a vertical datum that may differ materially from the charted datum. Please refer to the file level metadata to ensure proper display.
W00531_MB_1m_Ellipsoid_1of1.bag	0.83MB

Images

GeoImagePDF
W00531_GeoImage.pdf	2.09MB	NOAA/NOS Layered GeoSpatial Image PDF File. Created by NOS to include chart and survey layers in a georeferenced pdf format.

Project Documents

Project Sketch in JPEG format
W00531_ProjectSketch.jpg	350.7KB	Project sketch image with highlighted survey area.

Survey Metadata

Survey Summary

Locality Sublocality State or Region San Francisco Bay ESE of Yerba Buena Island California

Start Date End Date Approval Date 2019-11-04 2019-11-07 2020-11-12

Project Number Project Name Purpose ESD-PHB-20 External Source Data 2020

Source of Original Data and License Information

Link to Original Data Data Source eTrac License Information This data is licensed under a Creative Commons Zero 1.0 Universal Public Domain Dedication (CC0-1.0). View the license deed. View the legal code.

Reference System Information

Vertical Datum Horizontal Datum Projection Scale Mean Lower Low Water North American Datum 1983 Projected UTM 10 10000

Affected Products

Survey Equipment

Vessel(s) Chief(s) of Party A. Gilda Barboza

Manufacturer Model Instrument Type R2Sonic 2020 MBES R2Sonic 2022 MBES

Source Data at NCEI

Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 3.546 2022-04-25 05:40:39.0 BATHYMETRY