Historical Ocean Temperature Profiles from Mechanical Bathythermographs

Over 2,800 temperature-depth profiles were collected from 11 vessels in the Caribbean Sea, Gulf of Mexico, and North Atlantic Ocean between May 1962 and May 1969. The National Oceanographic Data Center processed this data into the standard C128 format, with temperature recorded at uniform 5-meter depth intervals. This dataset captures the thermal structure of the upper ocean layers during the 1960s.

Use Cases

• Analyzing historical temperature gradients in the upper 285 meters of the ocean using paired temperature-depth values.
• Studying spatial and temporal variability of sea surface temperatures and thermocline depth in the North Atlantic and Caribbean.
• Calibrating or validating ocean model hindcasts for the 1960s using in-situ profile data.
• Investigating cruise-specific oceanographic conditions reported with date, position, and time metadata.

Strengths

• Data is processed to a consistent standard format (NODC C128), ensuring structural uniformity.
• Covers a multi-year time range (1962-1969) across a broad geographic area (Caribbean Sea, Gulf of Mexico, North Atlantic).
• Profiles provide paired observations at a high vertical resolution of 5-meter intervals.

Limitations

• Key metadata conflicts exist: row count is reported as both 2,800 and unknown; the authoritative last update date is unclear (2026-04-01 vs. 1969-05-06).
• Instrument limitation: Mechanical Bathythermograph (MBT) observations are limited to a maximum depth of approximately 285 meters.
• Complete column names, dataset size, license, and author information are not provided.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Temperature-depth profiles obtained using the Mechanical Bathythermograph (MBT) instrument and processed by the National Oceanographic Data Center (NODC).

Time Range

1962-05-09 to 1969-05-06

Freshness

2026-04-01 14:54:22.504676

Geography

Caribbean Sea, Gulf of Mexico, North Atlantic Ocean