NOAA Oceanographer Cruise: North Pacific Seawater Chemistry, 1975-1976

NODC-processed chemical analyses from a single NOAA research cruise in the North Pacific Ocean provide a detailed snapshot of marine conditions. The F069 standard format likely contains over 20 parameters, including dissolved gases, nutrients, organic carbon fractions, and hydrocarbons. This dataset captures a specific eight-month period from late summer to early spring.

Use Cases

• Analyzing seasonal nutrient gradients (nitrate, phosphate, silicate) in the North Pacific.
• Calculating apparent oxygen utilization and percent oxygen saturation from dissolved oxygen measurements.
• Investigating relationships between particulate organic carbon, chlorophyll, and total suspended matter.
• Establishing historical baselines for total recoverable petroleum hydrocarbons in seawater.

Strengths

• Data is processed to a documented NODC standard format (F069), ensuring a consistent structure.
• Descriptions list a wide range of potential chemical and biochemical parameters (over 20), suggesting detailed measurements.
• Time range is precisely defined for a specific research cruise, offering a coherent temporal snapshot.

Limitations

• Column names and exact row counts are unknown, limiting immediate analytical utility.
• Metadata on license, author, and precise data collection methodology is absent.
• A conflict exists in 'last updated' metadata: one source shows a future date (2026-04-01), casting doubt on its accuracy.

Provenance

Source

NOAA National Centers for Environmental Information (NCEI), originally from NOAA Ship Oceanographer.

Collection Method

Chemical analyses of seawater samples collected during a research cruise, processed by NODC.

Time Range

1975-08-21 to 1976-04-14

Freshness

2026-04-01 15:14:26.353650

Geography

North Pacific Ocean