Dataset description: MGL1109shadeutm.tif: Multibeam bathymetry data collected by the U.S. Geological Survey in the Gulf of Alaska in 2011 during cruise MGL1109, 100-meter gray-shaded relief

This raster dataset represents approximately 69,060 square kilometers of Simrad EM122 multibeam-bathymetry data collected in the Gulf of Alaska during U.S. Geological Survey - Coastal and Marine Geology Program cruise MGL1109 aboard the R/V Marcus G. Langseth. The data have been reduced for position, elevation, orientation, water-column sound-speed, and refraction effects.

Version	1
Keywords	multibeam sonar, geospatial datasets, marine geophysics
Data types	Multibeam
Format	GeoTIFF;
Amount	4.5 MB

Contacts

Contact	Ginger Barth PCMSC_data@usgs.gov

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Location of materials and files

Public files	https://www.sciencebase.gov/catalog/file/get/55ef4a60e4b0dacf699e94c6 https://www.sciencebase.gov/catalog/item/55ef4a60e4b0dacf699e94c6 https://doi.org/10.5066/F7HM56HK
Metadata	https://cmgds.marine.usgs.gov/metadata/pcmsc/DataReleases/ScienceBase/DR_F7HM56HK/MGL1109shadeutm.tif.xml Outline - Questions and answers - Text - XML

Activities and equipment

Activity	Equipment
L0911GA	multibeam Atlas Hydrosweep multibeam-echosounder
2011-034-FA