Historical Ocean Temperature Profiles from HMAS Moresby

Temperature-depth profile data collected by HMAS Moresby using mechanical bathythermograph (MBT) instruments. The dataset covers a ten-year period from 1957 to 1967 across the Bismarck Sea, Coral Sea, Solomon Sea, and Tasman Sea. Data has been processed by the National Oceanographic Data Center into the standard C128 format.

Use Cases

• Analyzing decadal changes in sea surface temperature and mixed-layer depth in the Southwest Pacific.
• Calibrating and validating historical ocean models using in-situ temperature-depth profile pairs.
• Studying the thermal structure of the upper ocean (down to ~285m) for specific cruise tracks and dates.

Strengths

• Provides a consistent ten-year time series (1957-1967) from a single research vessel.
• Data is processed to a known standard format (NODC C128), ensuring structural consistency.
• Contains geospatial and temporal metadata (cruise info, date, position, time) for each observation.

Limitations

• Instrument-limited to a maximum depth of approximately 285 meters, restricting analysis to the upper ocean.
• Specific row counts, column details, and file sizes are not provided by any source.
• Conflicting last-update dates exist between platforms (1967 vs. 2026), casting doubt on data currency.

Provenance

Source

NOAA National Centers for Environmental Information (NCEI).

Collection Method

Collected via mechanical bathythermograph (MBT) instruments aboard HMAS Moresby and processed by NODC.

Time Range

1957-04-04 to 1967-07-13

Freshness

2026-03-05 22:47:02.183268

Geography

Bismarck Sea, Coral Sea, Solomon Sea, Tasman Sea.