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  3. Multibeam bathymetry and acoustic backscatter from the Alaskan region, Extended Continental Shelf Project, 2011 field season: Gulf of Alaska and Bering Sea
  4. MGL1109 multibeam bathymetry in UTM coordinates
  5. MGL1109bathyutm.tif: Multibeam bathymetry data collected by the U.S. Geological Survey in the Gulf of Alaska in 2011 during cruise MGL1109, 100-meter gridded data in GeoTIFF format, UTM 6 coordinates

MGL1109bathyutm.tif: Multibeam bathymetry data collected by the U.S. Geological Survey in the Gulf of Alaska in 2011 during cruise MGL1109, 100-meter gridded data in GeoTIFF format, UTM 6 coordinates

Dates

Publication Date
Start Date
2011-06-03
End Date
2011-06-25

Citation

Barth, G.A., Baldwin, W.E., Reece, R.S., Gulick, S.S., Danforth, W.W., and Wong, F.L., 2022, Multibeam bathymetry and acoustic backscatter from the Alaskan region, Extended Continental Shelf Project, 2011 field season: Gulf of Alaska and Bering Sea: U.S. Geological Survey data release, https://doi.org/10.5066/F7HM56HK.

Summary

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.

Contacts

Point of Contact :
Pacific Coastal and Marine Science Center
Originator :
Ginger Barth, Wayne E Baldwin, Robert S Reece, Sean S Gulick, William W Danforth, Florence L Wong
Metadata Contact :
PCMSC Science Data Coordinator
Publisher :
U.S. Geological Survey
USGS Mission Area :
Natural Hazards
SDC Data Owner :
Pacific Coastal and Marine Science Center
Distributor :
U.S. Geological Survey - ScienceBase

Attached Files

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MGL1109bathy.jpg
“MGL1109 multibeam bathymetry, Gulf of Alaska” 		thumbnail 48.54 KB image/jpeg
Extension: MGL1109bathyutm.zip
MGL1109bathyutm.tif.xml
Original FGDC Metadata
View 		22.12 KB
MGL1109bathyutm.tfw 94 Bytes
MGL1109bathyutm.tif 400.05 MB
MGL1109bathyutm.tif.ovr 6.74 MB
MGL1109bathyutm.tif-ColorRamp.SLD 2.08 KB

Purpose

In June 2011, the U.S. Geological Survey - Coastal and Marine Geology Program conducted a research cruise in the Gulf of Alaska aboard the R/V Marcus G. Langseth (Lamont-Doherty Earth Observatory, Columbia University) as part of the U.S. Extended Continental Shelf Project. The mission focused primarily on obtaining geophysical data (multichannel and CHIRP seismic reflection, ocean bottom seismometry, multibeam bathymetry, sonobuoy, XBT and XCTD) for the purposes of determining geologic framework, crustal nature, and sediment thickness in support of delineating the U.S. Extended Continental Shelf under provisions contained in Article 76 of the United Nations Convention on the Law of the Sea (UNCLOS).
MGL1109 multibeam bathymetry, Gulf of Alaska
MGL1109 multibeam bathymetry, Gulf of Alaska

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Additional Information

Raster Extension

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maxY57.81437868607708
maxX-135.65774156795186
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dateUploadedTue Sep 08 11:23:29 MDT 2015
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contentTypeapplication/fgdc+xml
pathOnDisk__disk__7a/6e/80/7a6e80a626cceadf33d9e45e10648241906cc994
dateUploadedThu Aug 25 11:03:10 MDT 2022
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nameMGL1109bathyutm
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