HMAS Vendetta Bathythermograph Data for Upper Ocean Thermal Structure

National Oceanic and Atmospheric Administration provides bathythermograph (MBT) data from HMAS Vendetta voyages. The dataset contains temperature-depth profile pairs recorded at 5-meter intervals to a maximum depth of 285 meters across the Coral Sea, Great Australian Bight, Indian Ocean, North Pacific Ocean, South China Sea, and Tasman Sea. Observations span from April 1961 to November 1967, processed into the NODC standard C128 format.

Use Cases

• Analyzing historical temperature-depth profiles for the upper 285 meters of the ocean.
• Studying spatial and temporal thermal structure changes in the Coral Sea and Tasman Sea from 1961-1967.
• Using cruise information, date, position, and time metadata to correlate oceanographic conditions with specific voyages.
• Investigating temperature gradients at uniform 5-meter depth intervals for mixed-layer studies.

Strengths

• Data is processed to a standardized format (NODC C128), ensuring consistent structure.
• Provides a multi-year time series from 1961 to 1967 across several ocean basins.
• Includes precise metadata for each observation: cruise, date, position, and time.

Limitations

• Row count, column names, and exact dataset size are unknown from provided sources.
• Instrument limitation: MBT data is only useful for the upper ocean layers, with a maximum depth of approximately 285 meters.
• Sources conflict on the 'last updated' date, listing both 1967-11-15 and a future date of 2026-04-01.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Temperature-depth profiles gathered using mechanical bathythermograph (MBT) instruments from HMAS Vendetta and processed by NODC.

Time Range

1961-04-01 to 1967-11-15

Freshness

2026-04-01 15:05:16.762444

Geography

Coral Sea, Great Australian Bight, Indian Ocean, North Pacific Ocean, South China Sea, Tasman Sea