Historical Ocean Temperature Profiles from Mechanical Bathythermograph

Mechanical bathythermograph (MBT) data from the BOCAS DE CENIZA research vessel, capturing temperature-depth profiles in the North Atlantic and North Pacific Oceans. The dataset, processed by the National Oceanographic Data Center (NODC) into the C128 standard format, covers a period from February 1964 to March 1966. Each observation includes cruise information, date, time, and position alongside paired temperature-depth measurements.

Use Cases

• Analyzing the thermal structure of the upper ocean (up to ~285m) using paired temperature-depth values.
• Studying seasonal or interannual temperature variability in the North Atlantic and North Pacific from 1964-1966.
• Validating or calibrating ocean model simulations for historical periods using point profile data.
• Investigating cruise-based spatial patterns of sea surface temperature from reported position and time data.

Strengths

• Data is standardized to the NODC C128 format, ensuring a consistent structure for temperature-depth pairs.
• Temperature readings are recorded at uniform 5-meter depth intervals, facilitating systematic analysis.
• Each profile is associated with metadata including cruise, date, position, and time, providing contextual information.

Limitations

• The mechanical bathythermograph (MBT) instrument limits observations to a maximum depth of approximately 285 meters, restricting analysis to the upper ocean.
• Key metadata such as row count, file size, and license information are not provided across the available sources.
• The dataset's age (1964-1966) may limit its direct applicability to contemporary studies without consideration of instrumental biases.

Provenance

Source

NOAA National Centers for Environmental Information (NCEI), processed by the National Oceanographic Data Center (NODC).

Collection Method

Temperature-depth profiles gathered using the Mechanical Bathythermograph (MBT) instrument and processed into the standard C128 format.

Time Range

1964-02-24 to 1966-03-06

Freshness

2026-03-05 23:42:04.567910

Geography

North Atlantic Ocean and North Pacific Ocean, from the BOCAS DE CENIZA vessel.