Dataset description: Multibeam bathymetry data

These metadata describe bathymetry collected during a 2015 multibeam echosounder survey near Cross Sound, southeast Alaska. The bathymetry data are published here as a 32-bit GeoTIFF image.

Version	1
Keywords	sea-floor characteristics, multibeam sonar, geospatial datasets, marine geophysics, bathymetry, bathymetry measurement
Data types	Multibeam
Format	GeoTIFF;
Amount	17 MB

Contacts

Contact	Peter Dartnell PCMSC_data@usgs.gov

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Location of materials and files

Public files	https://www.sciencebase.gov/catalog/item/5abc0e9ce4b081f61abd5c61 https://doi.org/10.5066/F7JH3KG6
Metadata	https://cmgds.marine.usgs.gov/metadata/pcmsc/DataReleases/ScienceBase/DR_F7JH3KG6/CrossSound_2015_bathy_10m_UTM08_WGS84_WGS84_metadata.xml Outline - Questions and answers - Text - XML

Activities and equipment

Activity	Equipment
2015-629-FA	Reson 7111 The SeaBat 7111 produces bathymetry data suitable for the generation of high resolution hydrographic charts exceeding international standards in water depths from 3 to 1000m. Operating at 100kHz, the system forms 101, 201 high-density, equi-angle or 301 equi-distant beams to cover a total receive sector of 150¬∞. The system is pitch stabilized. The SeaBat 7111 transducer array is comprised of a cylindrical receive array and a linear transmitter array, mounted together on a support cradle that provides mounting points to the vessel. Lightweight and portable, the array can be installed temporarily over the side of a vessel of opportunity a first for a system in this frequency range.

Activity

Equipment

2015-629-FA

Reson 7111

The SeaBat 7111 produces bathymetry data suitable for the generation of high resolution hydrographic charts exceeding international standards in water depths from 3 to 1000m. Operating at 100kHz, the system forms 101, 201 high-density, equi-angle or 301 equi-distant beams to cover a total receive sector of 150¬∞. The system is pitch stabilized. The SeaBat 7111 transducer array is comprised of a cylindrical receive array and a linear transmitter array, mounted together on a support cradle that provides mounting points to the vessel. Lightweight and portable, the array can be installed temporarily over the side of a vessel of opportunity a first for a system in this frequency range.