NOAA Ship Delaware II Subsurface Monitoring Data for Deepwater Horizon

NOAA Ship DELAWARE II collected oceanographic data in the Gulf of Mexico from July 14 to July 24, 2010, in direct response to the Deepwater Horizon oil spill event. The Subsurface Monitoring Unit, a multi-agency team, gathered data likely including water quality parameters such as conductivity, dissolved oxygen, and fluorescence. Cruise-level documentation, including reports, plans, videos, and pictures, accompanies the individual dataset metadata records.

Use Cases

• Analyzing subsurface water quality changes based on conductivity, temperature, and depth (CTD) data.
• Tracking the distribution of oil spill constituents using fluorescence and chromophoric dissolved organic matter (CDOM) measurements.
• Assessing biological impact through DNA sampling and bongo net tows referenced in the tags.
• Documenting the operational response and environmental conditions with associated cruise reports and videos.

Strengths

• Data collection was conducted by a formal multi-agency Subsurface Monitoring Unit (SMU) in direct response to a major environmental event.
• Cruise-level information includes supplementary documentation such as reports, plans, videos, and pictures, providing context.
• The dataset has a precisely defined temporal scope of 11 days in July 2010 and a clear geographic focus on the Gulf of Mexico.

Limitations

• Core data types, specific instruments used, and column names are explicitly listed as 'unknown' across all platform descriptions.
• Conflicting metadata exists: one platform lists a last update date of 2026-03-05, while another shows 2010-07-24, suggesting potential archival inconsistencies.
• The dataset size, row count, license, and specific author are all unstated, limiting reproducibility and reuse assessment.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Collected aboard NOAA Ship DELAWARE II using unknown instruments and physical sampling devices by the Subsurface Monitoring Unit (SMU).

Time Range

2010-07-14 to 2010-07-24

Freshness

2026-03-05 22:35:49.486505

Geography

Gulf of Mexico