NOAA Blake Plateau ROV Dive And Multibeam Sonar Mapping Expedition

14 remotely operated vehicle dives were conducted during a 21-day NOAA expedition in October-November 2021. Operations covered 15,800 square kilometers of seafloor mapping and collected 47 hours of bottom time video from depths between 300 and 3650 meters. The National Oceanic and Atmospheric Administration led this exploration of the Blake Plateau and Florida Straits.

Use Cases

• Analyze ROV dive tracks and bathymetric data to model seafloor features like the Blake Escarpment.
• Correlate multibeam sonar mapping data with ROV video observations to identify potential bioherm structures.
• Study water column exploration data from two dedicated dives for pelagic ecosystem research.
• Map the distribution and characteristics of geological features such as sinkholes and mound-like structures.

Strengths

• 47 hours of ROV bottom time video provides substantial observational data.
• Multibeam sonar mapping covers 15,800 square kilometers of seafloor.
• Expedition includes 14 dives across a wide depth range from 300 to 3650 meters.

Limitations

• Data is confined to a specific three-week period in late 2021, limiting temporal analysis.
• Geographic scope is focused solely on the Blake Plateau and Florida Straits.
• Primary data format is PDF, which may complicate direct computational analysis.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Combined mapping and remotely operated vehicle expedition using EM 304 multibeam sonar and ROV dives.

Time Range

October 26 to November 15, 2021

Freshness

null

Geography

Blake Plateau and Florida Straits off the southeast U.S. coast