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Physical Sciences › Earth and Planetary Sciences › Oceanography
Argo Data 1999–2019: Two Million Temperature-Salinity Profiles and Subsurface Velocity Observations From a Global Array of Profiling Floats
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Conflicts of Interest
Identified Weaknesses
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Paper Summary
Paperzilla title
Two Million Ocean Data Points: Floaty Robots Reveal Secrets (Mostly)
The Argo program has collected over two million temperature and salinity profiles from the upper 2 km of the ocean using an array of profiling floats. While challenges remain regarding sensor drift, quality control, and expanding the array, Argo has produced a valuable, high-quality dataset crucial for ocean and climate research and forecasting.
Possible Conflicts of Interest
KM and DM were employed by Sea-Bird Scientific, a company that manufactures CTDs used in Argo floats. The other authors declared no competing interests.
Identified Weaknesses
Salinity Drift
The paper acknowledges a recent increase in salinity drift, which impacts data accuracy and requires ongoing efforts to address.
Pre-Deployment Checks
Despite improvements, pre-deployment checks on floats are not always adequate, leading to early failures and impacting the overall data quality.
Delayed-Mode Quality Control
The delayed-mode quality control process is labor-intensive and relies heavily on human resources, posing a challenge for the growing dataset.
Rating Explanation
This is a comprehensive overview of a major scientific program, detailing its history, methodology, data quality, and future challenges. The program has produced a valuable dataset, and actively works to address identified limitations, improving methodology over time. The declared COI related to employees of a sensor manufacturer, while relevant, doesn't appear to unduly bias the paper. Overall, a valuable contribution, though not quite groundbreaking.
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Original Title:
Argo Data 1999–2019: Two Million Temperature-Salinity Profiles and Subsurface Velocity Observations From a Global Array of Profiling Floats
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July 14, 2025 at 06:52 AM
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