Gulf of Mexico Oceanographic and ROV Dive Data from 2012 Expedition
Updated 3mo ago
45filesHTML
Available on 2 platforms
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Description
Data from the 2012 EX1202L2 expedition on NOAA Ship Okeanos Explorer in the Gulf of Mexico, spanning from March 19 to April 11, 2012. The dataset combines daytime remotely operated vehicle (ROV) dives to depths under 4000 meters with nightly multibeam surveys, CTD casts, and water-column experiments. It was collected by the National Oceanic and Atmospheric Administration to explore benthic habitats, submerged cultural resources, and gas seeps.
Use Cases
Mapping benthic habitat diversity using ROV-collected imagery and multibeam survey data.
Assessing eligibility of submerged cultural resources for the National Register of Historic Places.
Testing acoustic methods for detecting and measuring gas seep flux in the water column.
Analyzing water column properties from CTD cast data collected during nightly operations.
Studying deep-water canyon ecosystems around DeSoto and Mississippi Canyons using ROV dive logs and multimedia.
Strengths
Expedition employed a multi-method approach combining ROV dives, multibeam surveys, CTD casts, and water-column experiments.
Data collection targeted specific, scientifically significant areas including the West Florida Shelf, DeSoto Canyon, and the Deepwater Horizon site.
Dataset is hosted on multiple government platforms (Data.gov, NASA Earthdata), indicating formal curation and importance.
Limitations
Critical metadata such as row count, column names, and file size are unavailable across all sources.
A conflict exists in the 'last updated' date: Data.gov lists 2026-04-01 (a future date), while NASA Earthdata lists 2012-04-11.
Specific data formats beyond 'HTML' are not detailed, limiting clarity on direct usability.
Provenance
Source
National Oceanic and Atmospheric Administration, Department of Commerce
Collection Method
Collected during the EX1202L2 (Gulf of Mexico Exploration) expedition on NOAA Ship OKEANOS EXPLORER using ROV operations, multibeam surveys, CTD casts, and water-column experiments.
Time Range
2012-03-19 to 2012-04-11
Freshness
2026-04-01 15:02:43.670219
Geography
Gulf of Mexico, specifically areas off the West Florida Shelf, around DeSoto Canyon, near the Deepwater Horizon site, and Mississippi Canyon.
The 'last updated' date on Data.gov (2026-04-01) is implausible and conflicts with the NASA Earthdata date; the true currency of the metadata is unclear. License information is not provided.