64 datasets

NASA Earthdata CMR2026 · Array · NetCDF

The Closed-Loop Ocean Simulation for Evaluation of ocean color retrieval algorithms (CLOSE) Model Input collection provides modeled remote sensing reflectance, inherent optical properties, phytoplankton community composition, and associated environmental variables derived from the NASA Ocean Biogeochemical Model coupled to the Ocean-Atmosphere Spectral Irradiance Model. These data serve as inputs

NASA Earthdata CMR2025 · Array · NetCDF

The MOANA data suite provides picophytoplankton group abundances—Prochlorococcus, Synechococcus, and picoeukaryotes—derived from ocean-color (with SST as ancillary input) and reported in cells mL⁻¹. Products can be used for time-series, regional biogeography, ecosystem assessments, and model evaluation. Note that retrieval accuracy can vary in optically complex coastal waters, so users should refe

NASA Earthdata CMR2025 · Array · NetCDF

The Ocean Biology DAAC produces near real-time (NRT) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Near real-time products provide a snapshot of the data during a short time period within a single orbit. The MOANA data suite provides picophytoplankton group abundances—Prochloro

NASA Earthdata CMR2025 · Array · NetCDF

The Net Primary Production Carbon, Absorption, Fluorescence Euphotic-resolving (NPP_CAFE) data suite includes estimates of oceanic net primary production derived from ocean-color observations using the Carbon, Absorption, Fluorescence Euphotic-resolving (CAFE) model. The CAFE model combines satellite-derived optical properties with phytoplankton physiology, light availability, and photosynthetic p

NASA Earthdata CMR2025 · Array · NetCDF

The Ocean Biology DAAC produces near real-time (NRT) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Near real-time products provide a snapshot of the data during a short time period within a single orbit. The Net Primary Production Carbon, Absorption, Fluorescence Euphotic-resol

NASA Earthdata CMR2024 · Array · NetCDF

The UAVI_UAA data suite provides the Ultraviolet Absorbing Aerosol Index (UVAI) calculated using the Unified Aerosol Algorithm. UVAI is a unitless, semi-quantitative indicator of light-absorbing aerosols (e.g., smoke, mineral dust), sensitive to their amount, altitude, and absorption strength; positive values typically flag absorbing plumes, while values near/below zero indicate weakly or non-abso

NASA Earthdata CMR2024 · Array · NetCDF

The Ocean Biology DAAC produces near real-time (NRT) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Near real-time products provide a snapshot of the data during a short time period within a single orbit. The Photosynthetically Available Radiation (PAR) data suite provides satel

NASA Earthdata CMR2024 · Array · NetCDF

The AER_UAA suite provides aerosol optical properties (AOP), retrieved using the Unified Aerosol Algorithm (UAA). Core variables include measures that describe aerosol loading, size partitioning, and absorption. A companion product in the same family provides the UV Absorbing Aerosol Index (UVAI_UAA). Typical uses include air-quality and climate analyses, aerosol context for ocean-color atmospheri

NASA Earthdata CMR2024 · Array · NetCDF

Surface Reflectance (SFREFL) provides the unitless, bottom-of-atmosphere reflectance of the Earth's surface at 122 wavelengths (346 - 895 nm, with 5 SWIR bands). Surface Reflectance is the foundational input for downstream land products (e.g., vegetation indices included in the LANDVI suite). Users should review the documentation for more information on atmospheric correction and quality flags. Us

NASA Earthdata CMR2024 · Array · NetCDF

The Ocean Biology DAAC produces near real-time (NRT) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Near real-time products provide a snapshot of the data during a short time period within a single orbit. The spectral diffuse attenuation coefficient of downwelling irradiance (Kd

NASA Earthdata CMR2024 · Array · NetCDF

The Closed-Loop Ocean Simulation for Evaluation of ocean color retrieval algorithms (CLOSE) Level-3 mapped collection provides gridded ocean-color products generated from the CLOSE Level-3 binned data. Products include hyperspectral remote sensing reflectance, chlorophyll-a concentration, diffuse attenuation coefficients, aerosol optical properties, and derived absorption and backscattering proper

NASA Earthdata CMR2024 · Array · NetCDF

The Ocean Biology DAAC produces near real-time (NRT) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Near real-time products provide a snapshot of the data during a short time period within a single orbit. Surface Reflectance (SFREFL) provides the unitless, bottom-of-atmosphere r

NASA Earthdata CMR2024 · Array · NetCDF

The Ocean Color Biogeochemical (OC_BGC) suite provides satellite-derived biogeochemical properties of the upper ocean, produced from calibrated, atmospherically corrected ocean-color inputs from PACE_OCI. These products characterize carbon pools and ecosystem status. Particulate Inorganic Carbon (PIC) includes product of particulate inorganic carbon (calcite, typically from coccolithophores) from

NASA Earthdata CMR2024 · Array · NetCDF

The Ocean Biology DAAC produces near real-time (NRT) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Near real-time products provide a snapshot of the data during a short time period within a single orbit. LANDVI suite provides vegetation and land-surface indices derived from sur

NASA Earthdata CMR2024 · Array · NetCDF

LANDVI suite provides vegetation and land-surface indices derived from surface reflectance. Six of the indices are heritage, and four are hyperspectral-enabled. Users should see documentation for more details. Users should also note that the L3M product is masked for clouds. Geophysical variables in this suite include: - ndvi — Normalized Difference Vegetation Index (unitless) - evi — Enhanced Veg

NASA Earthdata CMR2024 · Array · NetCDF

The Ocean Biology DAAC produces near real-time (NRT) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Near real-time products provide a snapshot of the data during a short time period within a single orbit. The CLOUD data suite provides per-pixel microphysics and macrophysics to s

NASA Earthdata CMR2024 · Array · NetCDF

The spectral diffuse attenuation coefficient of downwelling irradiance (Kd). Kd is an apparent optical property (AOP) that is derived from IOPs using the Lee bio-optical model. Kd describes how visible light diminishes with depth in the ocean. Lower values indicate clearer water (deeper light penetration); users commonly apply Kd to estimate euphotic depth, track coastal water quality and turbidit

NASA Earthdata CMR2024 · Array · NetCDF

The Ocean Biology DAAC produces near real-time (NRT) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Near real-time products provide a snapshot of the data during a short time period within a single orbit. The spectral diffuse attenuation coefficient of downwelling irradiance (Kd

NASA Earthdata CMR2024 · Array · NetCDF

The Photosynthetically Available Radiation (PAR) data suite provides satellite-based estimates of the downwelling solar radiation in the 400–700 nm range that is available for photosynthesis at the ocean surface. These products quantify the daily or instantaneous amount of usable light energy, expressed in moles of photons m⁻² (commonly noted as “Einstein m⁻²”), and are widely used to estimate mar

NASA Earthdata CMR2024 · Array · NetCDF

The Ocean Biology DAAC produces near real-time (NRT) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Near real-time products provide a snapshot of the data during a short time period within a single orbit. The Ocean Color Biogeochemical (OC_BGC) suite provides satellite-derived b

NASA Earthdata CMR2024 · Array · NetCDF

The Ocean Biology DAAC produces near real-time (NRT) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Near real-time products provide a snapshot of the data during a short time period within a single orbit. LANDVI suite provides vegetation and land-surface indices derived from sur

NASA Earthdata CMR2024 · Array · NetCDF

The UAVI_UAA data suite provides the Ultraviolet Absorbing Aerosol Index (UVAI) calculated using the Unified Aerosol Algorithm. UVAI is a unitless, semi-quantitative indicator of light-absorbing aerosols (e.g., smoke, mineral dust), sensitive to their amount, altitude, and absorption strength; positive values typically flag absorbing plumes, while values near/below zero indicate weakly or non-abso

NASA Earthdata CMR2024 · Array · NetCDF

The Apparent Optical Properties (OC_AOP) data suite provides satellite-derived measures of the interaction between solar radiation and the upper ocean. AOPs are "apparent" because they depend not only on the inherent optical properties (IOPs) of seawater and its constituents but also on the ambient light field. These variables are critical for studying light penetration, primary productivity, and

NASA Earthdata CMR2024 · Array · NetCDF

The Closed-Loop Ocean Simulation for Evaluation of ocean color retrieval algorithms (CLOSE) Level-3 binned collection provides spatially aggregated ocean-color products generated from the CLOSE Level-2 observations using an equal-area global binning structure. Products include hyperspectral remote sensing reflectance, chlorophyll-a concentration, diffuse attenuation coefficients, aerosol optical p

NASA Earthdata CMR2024 · Array · NetCDF

The AER_UAA suite provides aerosol optical properties (AOP), retrieved using the Unified Aerosol Algorithm (UAA). Core variables include measures that describe aerosol loading, size partitioning, and absorption. A companion product in the same family provides the UV Absorbing Aerosol Index (UVAI_UAA). Typical uses include air-quality and climate analyses, aerosol context for ocean-color atmospheri