GHRSST Level 4 CMC0.2deg: Global Daily Sea Surface Temperature Analysis

A global, daily sea surface temperature analysis produced operationally by the Canadian Meteorological Center. It merges infrared and microwave satellite data from multiple missions with in-situ observations from buoys and ships, using a statistical interpolation method that incorporates the previous day's analysis. The dataset adheres to the GHRSST Data Processing Specification version 2 format.

Use Cases

• Assimilating sea surface temperature data into numerical weather prediction and ocean models based on the described statistical interpolation method.
• Validating satellite-derived SST products against in-situ observations from the ICOADS program mentioned in the description.
• Analyzing global ocean temperature trends and anomalies based on the daily, operational production schedule.
• Studying the fusion of multi-sensor data from infrared (AVHRR, (A)TSR) and microwave (TMI, AMSR-E) instruments described as inputs.

Strengths

• Integrates data from multiple satellite platforms (ERS, Envisat, NOAA, METOP-A, TMI, AMSR-E, Windsat) and in-situ sources, suggesting broad observational coverage.
• Produced on a daily operational basis, indicating regular updates and potential timeliness.
• Adheres to the standardized GHRSST Data Processing Specification (GDS) version 2 format, which may promote interoperability.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and total data volume are unknown, which may limit suitability assessment for large-scale processing.
• Description metadata is limited; actual data quality and spatial/temporal completeness require manual inspection.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Statistical interpolation merging infrared and microwave satellite SST data with in-situ observations from drifting buoys and ships.

Time Range

Likely covers the operational period of the input satellite missions (e.g., ERS-1, ERS-2, Envisat, NOAA series, METOP-A) and ongoing ICOADS data.

Freshness

Last updated 2026-03-13 02:32:55.121864; freshness should be verified.

Geography

Global foundation sea surface temperature analysis.