Parent Layer: Multibeam – Digital Elevation Models (DEM)

Name: 2021 Tortugas Ecological Reserve North

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Description: This mission was funded by the CRCP. The NOAA Ship Nancy Foster used a Kongsberg EM2040, EM710, and EK60 simultaneously during survey acquisition. The parameters for the EM2040 and the 710 were set to operate in Medium CW and Very Shallow mode respectively. Watercolumn data was logged with the EM2040 only, since there was some interference between the EK60 and the EM710 while the two units were being used simultaneously. The swath angles for both sonars were set to 64 degrees on starboard and port side, unless sea conditions or depth determined a narrower beam swath would improve coverage.  Preliminary cross line analysis was used to develop adaptive line plans in Hypack for all multibeam surveys. Multibeam data were processed in near real-time to produce preliminary maps of bathymetry and backscatter.

Copyright Text: NOAA/NOS/NCCOS Attn: Dr. Chris Taylor 101 Pivers Island Road Beaufort, NC 28516-9722

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