NASA's Terra MODIS Level-3 Global Mapped Inherent Optical Properties (IOP) Data, version 2022.0, provides per-pixel inherent optical properties retrieved from spectral Remote Sensing Reflectance. The dataset includes geophysical variables such as total absorption and backscattering coefficients, phytoplankton absorption at 443 nm, and uncertainty estimates. It supports water-type classification, water-clarity assessment, and biogeochemical studies.
Use Cases
- Water-type classification based on retrieved inherent optical properties.
- Water-clarity assessment based on absorption and backscattering coefficients.
- Biogeochemical studies based on phytoplankton and particulate backscattering coefficients.
- Forward/adjoint radiative-transfer applications based on per-pixel IOPs.
- Cross-sensor comparisons based on IOPs derived from the GIOP model framework.
Strengths
- Provides per-pixel inherent optical properties derived from the Generalized Inherent Optical Properties (GIOP) model framework.
- Includes uncertainty estimates for key variables like aph_unc_443 and bbp_unc_443.
- Supports multiple applications including water-type classification and biogeochemical studies.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count and dataset size are unknown, which may limit suitability assessment.
- Data may reflect geographic or temporal bias inherent to nasa_earthdata.
Provenance
- Source
- NASA Earthdata (OB_CLOUD)
- Collection Method
- Retrieved from spectral Remote Sensing Reflectance using the default configuration of the Generalized Inherent Optical Properties (GIOP) model framework.
- Geography
- Global