Mediterranean Sea Daily Gap-Free Sea Surface Temperature Maps

CNR MED Sea Surface Temperature provides daily gap-free maps at a 0.0625-degree horizontal resolution over the Mediterranean Sea. Data are derived from infra-red satellite radiometer measurements and statistical interpolation. It is the CMEMS nominal operational sea surface temperature product for the Mediterranean region.

Use Cases

• Analyze daily sea surface temperature anomalies and trends across the Mediterranean basin using the 0.0625-degree gridded data.
• Validate regional ocean circulation models by comparing simulated SST fields against these satellite-derived, gap-free L4 analysis maps.
• Study marine heatwave events by examining the temporal evolution of SST values at specific geographic coordinates within the dataset's domain.
• Assimilate the interpolated, gap-free SST fields into numerical weather prediction models to improve atmospheric boundary layer forecasts.

Strengths

• Provides daily, gap-free (L4) analysis maps, eliminating data voids common in raw satellite swaths.
• Offers high horizontal resolution of 0.0625 degrees (approximately 7 km) for detailed regional study.
• Serves as the Copernicus Marine Environment Monitoring Service (CMEMS) nominal operational SST product for the Mediterranean Sea, indicating operational reliability.

Limitations

• Specific temporal coverage (start/end dates) and update recency are not provided in the input description.
• The dataset is limited to the Mediterranean Sea, which may not be suitable for global or Atlantic Ocean studies.
• Relies on infra-red satellite measurements, which can be obscured by cloud cover, though statistical interpolation is used to create gap-free maps.

Provenance

Source

GHRSSTCWIC (Group for High Resolution Sea Surface Temperature via the CEOS Working Group on Information Systems and Services).

Collection Method

Data are obtained from infra-red measurements collected by satellite radiometers and processed using statistical interpolation to create gap-free L4 analyses.

Freshness

Daily updates are implied by the 'nominal operational product' description, but exact update frequency is not specified.

Geography

Mediterranean Sea.