Global Mapped Ocean Remote-Sensing Reflectance from PACE Satellite

Global satellite data provides remote-sensing reflectance (RRS) across multiple spectral bands, which is the fundamental observable for deriving ocean color products. The dataset, produced by the OB_CLOUD organization for NASA's PACE mission, supports water-quality and ecosystem applications. Specific temporal coverage and volume details are not provided in the input.

Use Cases

• Retrieving chlorophyll-a concentration (chlor_a) from Rrs_443 and Rrs_555 band ratios using bio-optical algorithms.
• Estimating the diffuse attenuation coefficient (Kd_490) for downwelling irradiance from Rrs_412 and Rrs_490 to assess water clarity.
• Deriving inherent optical properties (IOPs) such as absorption and backscattering by inverting multi-spectral Rrs_λ data.
• Applying per-pixel quality flags for land, cloud, and sun glint to filter RRS data for analysis in optically complex coastal waters.

Strengths

• Data is globally mapped, providing spatial coverage of Earth's oceans.
• Includes multiple spectral bands (e.g., Rrs_412, Rrs_443) for detailed spectral analysis.
• Designed as the foundational data layer for deriving key ocean biogeochemical variables.

Limitations

• Sample size, row count, and specific temporal range are unknown.
• Quality documentation notes potential issues in optically complex coastal and inland waters, requiring careful flag review.
• The absence of column details and sample data limits immediate assessment of data structure and completeness.

Provenance

Source

NASA Earthdata (PACE OCI Level-3), version 3.1.

Collection Method

Satellite remote sensing measurements from the PACE Ocean Color Instrument (OCI).

Time Range

null

Freshness

null

Geography

Global.