Mississippi Delta Bight: Offshore CTD and Primary Production Data (1975-1977)

R.E. Turner and R.L. Allen's microfiche publication documents Conductivity, Temperature, and Depth (CTD) profiles from five research cruises in the Gulf of Mexico. The data supports the Louisiana Sea Grant Program's Mississippi Delta Bight Studies on offshore primary production. Associated publications include Sea Grant series LSU-T-77-003 through LSU-T-77-007.

Use Cases

• Analyzing seasonal water column structure based on CTD profiles from 1975-1977.
• Modeling primary production dynamics in the Mississippi Delta Bight region.
• Calibrating historical oceanographic models with cruise data from NOAA Ship OREGON and EASTWARD.

Strengths

• Data spans a multi-year time series from March 1975 to May 1977.
• Includes data from five distinct research cruises (OREGON 57, 60, 62, 64 and EASTWARD E-1-J-77).
• Dataset is associated with a formal microfiche publication and a series of Sea Grant technical reports.

Limitations

• Column names and specific data structure are unknown from available metadata.
• Conflicting 'last updated' dates (1977-05-09 vs. 2026-03-05) suggest potential metadata inconsistency.
• Original data format is microfiche, which may present accessibility challenges.

Provenance

Source

R.E. Turner and R.L. Allen, Louisiana State University, submitted to NOAA NCEI.

Collection Method

CTD data collected via shipboard instruments on NOAA Ship OREGON and R/V EASTWARD.

Time Range

1975-03-11 to 1977-05-09

Freshness

2026-03-05 22:51:59.341943

Geography

Gulf of Mexico, specifically the Mississippi Delta Bight.