Aquarius Satellite Monthly Sea Surface Density Climatology

Sea surface density data is provided as a monthly climatology from the Aquarius/SAC-D satellite mission. This Level 3 product contains gridded data at 1-degree spatial resolution, derived from satellite-retrieved salinity and ancillary sea surface temperature. It represents the official end-of-mission public release (Version 5.0) from the NASA and CONAE collaboration.

Use Cases

• Analyzing long-term mean ocean density patterns for climate model validation.
• Studying the relationship between sea surface density, salinity, and temperature at global scales.
• Investigating ocean circulation and water mass properties using gridded satellite-derived density fields.

Strengths

• Data is the official final release (Version 5.0) from the Aquarius/SAC-D mission, ensuring a processed and validated state.
• Provides global coverage with a consistent 1-degree spatial resolution grid.
• Derived using the TEOS-10 standard for seawater properties, promoting scientific consistency.

Limitations

• Conflicting license information exists between platforms ('other-license-specified' on datagov vs. 'None' on nasa_earthdata).
• Specific row counts, file sizes, and detailed column names are unavailable across all sources.
• Data represents a climatology (long-term average) rather than a time series of individual observations.

Provenance

Source

NASA and the Argentinian Space Agency (CONAE) via the Aquarius/SAC-D satellite mission.

Collection Method

Satellite remote sensing using three radiometers and a scatterometer to measure brightness temperature and ocean backscatter, processed to derive sea surface density.

Time Range

Monthly climatology (long-term average period not specified).

Freshness

2026-03-13 17:20:11.717079

Geography

Global ocean coverage.