VIIRS_N21-NAVO-L2P-v3.0: Global Sea Surface Temperature at 1-Meter Depth

NOAA-21 satellite data provides global sea surface temperature measurements at a 1-meter depth with a spatial resolution of 750 meters. The dataset, produced by the Naval Oceanographic Office using the Visible Infrared Imaging Radiometer Suite, offers near-daily coverage from February 21, 2024, onward. Each file contains 768 x 3200 pixels and complies with the GHRSST Data Specification version 2.

Use Cases

• Monitor global ocean warming trends based on near-daily, high-resolution temperature measurements.
• Validate climate and weather forecast models using the 1-meter depth sea surface temperature data.
• Study diurnal warming and sub-mesoscale ocean features based on the 750-meter spatial resolution.
• Compare processing algorithm performance using the upgraded v3.0 processor with improved contamination and cloud detection.

Strengths

• Provides data at a high spatial resolution of 750 meters, suitable for detailed oceanographic studies.
• Uses an upgraded processing algorithm (v3.0) with improvements in contamination detection, cloud detection, and data format.
• Offers near-daily global coverage from the NOAA-21 satellite, launched on November 10, 2022.
• Each data file is standardized with 768 x 3200 pixels in compliance with the GHRSST GDS2 specification.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• The data record begins on February 21, 2024, providing a relatively short time series for long-term trend analysis.
• Row count is unknown, which may limit suitability assessment for large-scale statistical modeling.

Provenance

Source

Naval Oceanographic Office (NAVO), derived from the Visible Infrared Imaging Radiometer Suite on the NOAA-21 satellite.

Collection Method

Satellite remote sensing data processed using NAVO's Level-2 SST processor version 3.0.

Time Range

From February 21, 2024, onward.

Freshness

Last updated 2026-03-13 02:41:11.327359; freshness should be verified.

Geography

Global coverage.