Historical Ocean Temperature Profiles from FOREMAN Voyage 1944

Temperature-depth profiles collected using Mechanical Bathythermograph (MBT) instruments during the FOREMAN voyage across multiple Pacific seas and oceans in 1944. The dataset contains pairs of temperature and depth values recorded at uniform 5-meter intervals, processed by the National Oceanographic Data Center into its standard C128 format. It provides a snapshot of upper ocean thermal structure from a specific historical period.

Use Cases

• Analyzing the thermal structure of the upper ocean (up to ~285m) in the Pacific region using temperature-depth pairs.
• Studying historical ocean conditions for climate model validation, leveraging recorded date, position, and time for each observation.
• Investigating spatial temperature gradients across the Bismarck Sea, Coral Sea, and North Pacific Ocean using cruise location data.

Strengths

• Data is processed to a standardized format (NODC C128), ensuring consistent structure.
• Provides specific temporal coverage from January to November 1944 for a defined historical study.
• Covers a wide geographical area across seven Pacific seas and oceans.

Limitations

• Key metadata such as row count, column names, and exact file size are unavailable from all sources.
• Instrument limitation: MBT data is only useful for studying the upper ocean layers, with a maximum depth of approximately 285 meters.
• Conflicting 'last updated' dates: one source shows 2026-03 05 (likely a metadata update), while another shows the data's end date of 1944-11-30.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Collected via Mechanical Bathythermograph (MBT) instruments during the FOREMAN voyage and processed by NODC.

Time Range

1944-01-04 to 1944-11 30

Freshness

2026-03-05 23:45:55.358506

Geography

Bismarck Sea, Coral Sea, North Pacific Ocean, Philippine Sea, Solomon Sea, South Pacific Ocean, Tasman Sea