OMG: Ocean Temperature and Salinity Profiles from Alamo Floats

Level 1 in situ measurements of temperature and salinity were collected by autonomous Alamo floats using Conductivity, Temperature, and Depth sensors. These vertical profiles provide data on the ocean's physical characteristics around Greenland for the Oceans Melting Greenland project. The project's goal is to assess the ocean's contribution to the melting of Greenland's glaciers.

Use Cases

• Modeling ocean heat transport to Greenland's glaciers based on vertical temperature profiles.
• Analyzing changes in ocean density and stratification from concurrent salinity and temperature measurements.
• Calibrating satellite-derived sea surface temperature data with in-situ depth profiles.
• Studying seasonal or interannual variability in Arctic ocean properties around Greenland.

Strengths

• Provides direct, in-situ measurements from specialized profiling instruments.
• Data is associated with a focused NASA mission (Oceans Melting Greenland) with a clear scientific objective.
• Available on multiple authoritative platforms (Data.gov, NASA Earthdata), indicating validation and importance.

Limitations

• Critical metadata is missing or conflicting: row counts and file sizes are unknown, and the last update date conflicts between 2022 and 2026.
• Column names and specific data structure are not provided, hindering immediate analysis.
• The license is vaguely specified as 'other-license-specified', requiring further investigation for use.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Data gathered by autonomous Alamo profiling floats using Conductivity, Temperature, and Depth sensors.

Time Range

null

Freshness

2026-04-09 23:30:22.419239

Geography

Ocean waters around Greenland