Marine Geoscience Data System
MGL1907 Bathymetry:Swath
GeoPRISMS:Funded
Processed gridded multibeam bathymetry data from the Alaska-Aleutians area acquired during Langseth cruise MGL1907 (2019)
This data set was derived from Kongsberg EM122 multibeam sonar data acquired during the 2019 R/V Marcus G. Langseth cruise MGL1907 (Co-Chief Scientists: Geoff Abers and Peter Haeussler. Investigators: Anne Becel, Anne Sheehan, William Danforth, Emma Myers, Peter Haeussler, Geoff Abers, Aubreya Adams, Emily Roland, Susan Schwartz, Donna Shillington, Spahr Webb, Douglas Wiens, Lindsay Worthington). The data files were processed in QPS Qimera using XBT sound velocity profiles collected locally and gridded at 125m cell resolution for the entire survey. The data files are in GMT-compatible netCDF grid format and contain bathymetry data that has been processed with the help of the Apply-to-Sail participants: Igor Eufrasio, Heather Fisher, Cong Li, Ginevra Moore, Em Schnorr, and Zhenyang Zhou. The data set was generated as part of the project called the Alaska Amphibious Community Seismic Experiment (AACSE). Funding was provided by NSF award OCE16-54568.
Device Info
Sonar:Multibeam
Kongsberg:EM122
Platform
Marcus G. Langseth
LDEO
Awards
Quality
2
The data have been processed/modified to a level beyond that of basic quality control (e.g. final processed sonar data, photo-mosaics).

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