Parent Layer: Multibeam – Digital Elevation Models (DEM)

Name: 2020 South of Rileys Hump

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Description: This mission was funded by the Coral Reef Conservation Program (CRCP). The Nancy Foster conducted multibeam and splitbeam echosounder surveys that covered over 134 square nautical miles of the Tortuga South Ecological Reserve (TSER) and in the Florida Keys National Marine Sanctuary (FKNMS). Fish acoustics and multibeam data were also opportunistically collected on the southwest ledges of Riley's Hump, three miles north of the TSER sheet. After the TSER sheet was completed, the ship transited over to the FKNMS area of interest in a zigzag path to search for the ledges of the Florida Shelf Break. The multibeam data detected the ledges at about 75 m deep and followed the feature to the southwest corner of the FKNMS boundary. The Nancy Foster also logged multibeam data during the transit from Charleston, SC to the FKNMS sheet to opportunistically fill in data gaps and search for other cultural marine resources within the sanctuary and along the Southeastern coastline. Transit lines logged during previous Nancy Foster missions through the FKNMS were used to plan the lines for additional survey coverage along the offshore boundary of the sanctuary.

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

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