Eastern Tropical Atlantic Ocean Carbon Chemistry Profiles from 2012 PIRATA Cruise

From March 21 to April 30, 2012, this dataset contains discrete profile measurements of dissolved inorganic carbon, total alkalinity, temperature, and salinity collected during the French PIRATA cruise in the Eastern Tropical Atlantic Ocean. The data were collected by the National Oceanic and Atmospheric Administration using a potentiometric titration method with Certified Reference Material for calibration.

Use Cases

• Modeling ocean acidification dynamics based on dissolved inorganic carbon and alkalinity measurements
• Analyzing carbonate system variability in the tropical Atlantic based on discrete profile data
• Calibrating or validating satellite-derived salinity or temperature products based on in-situ measurements
• Studying seasonal or spatial biogeochemical gradients based on cruise-collected data

Strengths

• Data collection follows a documented, standardized method (potentiometric titration of Edmond, 1970)
• Measurements are calibrated using Certified Reference Material provided by Prof. A. Dickson
• Covers a specific temporal range from 2012-03-21 to 2012-04-30 in the Eastern Tropical Atlantic Ocean

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment
• Data may reflect geographic and temporal bias inherent to a single research cruise

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Discrete seawater samples (500 mL) taken during a research cruise, analyzed via potentiometric titration in a closed cell.

Time Range

2012-03-21 to 2012-04-30

Freshness

Last updated 2026-03 05 23:32:00.042710; freshness should be verified

Geography

Eastern Tropical Atlantic Ocean