Historical Ocean Temperature Profiles from Pioneer Valley Cruise

Mechanical bathythermograph (MBT) data from the 1966 Pioneer Valley cruise captures temperature-depth profiles of the upper ocean layers. The dataset covers multiple regions including the Caribbean Sea, Southeast Alaska, and the North Atlantic and Pacific Oceans over a two-month period. Data was processed and standardized by the National Oceanographic Data Center (NODC) into the C128 format.

Use Cases

• Analyzing the thermal structure of the upper ocean up to 285 meters depth using temperature-depth value pairs.
• Studying regional ocean temperature variations by comparing profiles from the Caribbean Sea, Southeast Alaska, and North Atlantic/Pacific.
• Investigating short-term oceanographic changes during the summer of 1966 using cruise date, position, and time metadata.
• Calibrating or validating historical ocean model simulations with in-situ temperature observations recorded at uniform 5-meter intervals.

Strengths

• Data is processed to a standardized NODC format (C128), ensuring consistency for analysis.
• Provides high vertical resolution with temperature recorded at uniform 5-meter depth intervals.
• Covers a geographically diverse range including the Caribbean Sea and North Pacific over a focused two-month cruise.

Limitations

• Platforms conflict on key metadata: row count, column names, size, license, and author are all listed as unknown or null.
• Instrument limitation restricts observations to a maximum depth of approximately 285 meters, capturing only the upper ocean layers.

Provenance

Source

NOAA National Centers for Environmental Information (NCEI).

Collection Method

Collected via mechanical bathythermograph (MBT) instrument during the Pioneer Valley cruise and processed by NODC.

Time Range

1966-07-18 to 1966-09-12

Freshness

2026-03-05 23:04:48.819076

Geography

Caribbean Sea, Coastal Waters of Southeast Alaska and British Columbia, North Atlantic Ocean, North Pacific Ocean.