Aquarius Seasonal Climatology: Rain-Flagged Sea Surface Salinity Satellite Data

Seasonal climatology data for sea surface salinity, rain-flagged and mapped at a 1-degree spatial resolution. The dataset is version 5.0 from the Aquarius instrument, a collaborative mission between NASA and Argentina's CONAE, which uses three radiometers and a scatterometer to measure brightness temperature and ocean backscatter. It was last updated on 2026-03 13.

Use Cases

• Modeling ocean salinity climatology based on seasonal averaged data.
• Analyzing satellite-derived sea surface salinity based on radiometer and scatterometer measurements.
• Studying the impact of rainfall on salinity measurements using the rain-flagged product.
• Conducting spatial analysis of global ocean salinity based on the 1-degree gridded data.

Strengths

• Data is from a collaborative NASA and CONAE satellite mission, suggesting authoritative collection.
• Provides seasonal climatology, which is useful for long-term trend analysis.
• Includes rain-flagging, a feature for identifying and handling precipitation effects on measurements.
• Spatial resolution is specified as 1 degree.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• File formats include JPEG, BIN, ISO, PDF, and ZIP, which may require specific tools for processing.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Collected by the Aquarius/SAC-D satellite's three radiometers and a scatterometer.

Time Range

Seasonal climatology (time range unspecified).

Freshness

Last updated 2026-03-13 14:57:53.881034; freshness should be verified.

Geography

Global ocean coverage with a 370 km cross-track swath.