Data Products Overview
Calibrated Radiometry and PolarimetryCalibrated and geolocated radiometry and polarimetry as observed at sensor.
Products
Spectral top-of-atmosphere radiances from OCI
Spectral radiance observed at the top of the atmosphere.
Spectral top-of-atmosphere radiances and polarimetry from SPEXone
Spectral radiance and polarimetry observed at the top of the atmosphere, for all sensor viewing angles.
Spectral top-of-atmosphere radiances and polarimetry from HARP2
Spectral radiance and polarimetry observed at the top of the atmosphere, for all sensor viewing angles.
Ocean Properties to be Produced by OCIBio-optical and biogeochemical properties of seawater constituents in the sunlit upper ocean.
Products
Spectral remote sensing reflectances
Spectral color of the ocean in the ultraviolet-to-near infrared spectral range.
Spectral diffuse attenuation coefficients
Spectral diffuse attenuation of downwelling irradiance at multiple wavelengths between 350 and 700-nm.
Spectral phytoplankton absorption coefficients
Spectral absorption coefficients for total phytoplankton absorption at multiple wavelengths between 350 and 700-nm.
Spectral non-algal particle plus dissolved organic matter absorption coefficients
Spectral absorption coefficients for non-algal particulates and dissolved organic matter at multiple wavelengths between 350 and 700-nm.
Spectral chromophoric dissolved organic matter absorption coefficients
Spectral absorption coefficients for dissolved organic matter at multiple wavelengths between 350 and 700-nm.
Spectral slope coefficients of chromophoric dissolved organic matter absorption
Absorption spectral slope coefficients of chromophoric dissolved organic matter for multiple wavelength ranges.
Spectral particle backscattering coefficients
Spectral backscattering of the light associated with particulate material, at multiple wavelengths between 350-700 nm.
Fluorescence line height
Light leaving the surface ocean due to the sun induced chlorophyll fluorescence.
Daily photosynthetically available radiation (PAR)
The amount of sunlight that is useful for photosynthesis that reaches the surface of the ocean over a day.
Instantaneous photosynthetically available radiation (iPAR)
The amount of sunlight that is useful for photosynthesis that reaches the surface of the ocean at the moment of satellite data collection.
Concentration of chlorophyll-a
Near surface concentration of the photosynthetic pigment chlorophyll-a.
Phytoplankton pigment concentrations
Concentration of specific photosynthetic pigments in the surface ocean.
Net primary production (NPP)
Rate of conversion of dissolved carbon dioxide to organic carbon through photosysthesis minus the carbon used for respiration.
Phytoplankton community composition
Descriptors of the composition of phytoplankton populations.
Concentration of particulate organic carbon
Near surface concentration of the particulate organic carbon.
Concentration of particulate inorganic carbon
Concentration of particulate inorganic carbon in the surface of the ocean.
Concentration of phytoplankton carbon
Concentration of carbon contained in phytoplankton cells.
Concentration of dissolved organic carbon
Near surface concentration of dissolved organic carbon.
Suspended particulate matter
Near surface concentration of particles both living (phytoplankton, zooplankton, bacteria) and non-living (detritus, sediments).
Atmospheric Properties to be Produced by OCIOptical, microphysical, and macrophysical properties of aerosols (e.g. dust, smoke) and clouds in the atmosphere.
Products
Spectral aerosol optical depth
Spectral measurement of the extinction of the solar beam caused by atmospheric aerosol particles, such as dust and haze.
Aerosol fine mode fraction (over ocean)
Fraction of visible aerosol optical depth from fine mode aerosols over oceans at 550 nm.
Cloud mask
Provides information on whether or not a given pixel is covered by cloud.
Cloud phase
Provides information on whether a given cloudy pixel is composed of liquid-phase or ice-phase clouds.
Cloud top pressure of opaque clouds
Atmospheric pressure at the height of the cloud top.
Optical thickness of liquid and ice clouds
Measurement of extinction of the solar beam due to clouds in the mid-visible wavelength.
Effective radius of liquid and ice clouds
Ratio of the third to second moments of the cloud droplet size distribution, as an indicator of cloud particle size.
Water path of liquid and ice clouds
Mass of (liquid or ice) water in clouds in the vertical column.
Shortwave radiation effect
Reflected solar flux (spectral and directional integral of reflected sunlight).
Land Data Products to be Produced by OCIPhysical and optical properties of the land surface.
Products
Surface reflectance
Effective reflectance of the Earth's surface as observed by OCI.
BRDF/albedo and model parameters
Describes the spectral and directional dependence of surface reflectance.
Normalized difference vegetation index (NDVI)
Empirical metric related to vegetation abundance and health, corrected for atmospheric scattering and absorption.
Aerosol and Ocean Properties from HARP2 and SPEXoneData products generated as a multi-parameter retrieval for HARP2 or SPEXone scenes over the ocean in cloud-free conditions.
Products
Spectral aerosol optical depth
Spectral measurement of the extinction of the solar beam caused by atmospheric aerosol particles.
Aerosol number concentration
Number of aerosols present within a defined volume or area.
Aerosol size distribution
Multiple parameters describing the distribution of aerosol sizes.
Aerosol complex refractive index
Real and imaginary component of refractive index for each aerosol mode.
Aerosol layer height
Parameterization of aerosol vertical distribution.
Aerosol shape, fraction spherical
Fraction of aerosols that are treated as spheres versus other shapes, such as spheroids.
Aerosol scattering phase matrix
Defined by above parameters, this describes the angular distribution of scattering and polarization.
Aerosol single scattering albedo
Ratio of aerosol scattering to extinction.
Ocean surface roughness
Surface roughness defines the directionality of the solar specular reflectance (sunglint), often parameterized by wind speed and direction.
Ocean body properties
In water optical properties that define the water leaving radiance.
Thin cloud contamination
Some algorithms may detect the presence of optically thin clouds (usually cirrus) that would otherwise adversely affect the retrieval of other parameters.
Aerosol and Land Surface Properties from HARP2 and SPEXoneProducts produced as a multi-parameter retrieval for HARP2 or SPEXone scenes over land in cloud-free conditions.
Products
Spectral aerosol optical depth
Spectral measurement of the extinction of the solar beam caused by atmospheric aerosol particles.
Aerosol number concentration
Number of aerosols present within a defined volume or area.
Aerosol size distribution
Multiple parameters describing the distribution of aerosol sizes.
Aerosol complex refractive index
Real and imaginary component of refractive index for each aerosol mode.
Aerosol layer height
Parameterization of aerosol vertical distribution.
Aerosol shape, fraction spherical
Fraction of aerosols that are treated as spheres versus other shapes, such as spheroids.
Aerosol scattering phase matrix
Defined by above parameters, this describes the angular distribution of scattering and polarization.
Aerosol single scattering albedo
Ratio of aerosol scattering to extinction.
Spectrally resolved land surface Bidirectional Reflectance Distribution Function (BRDF)
Defines the reflectance as a function of illumination and observation characteristics.
Spectrally resolved land surface Bidirectional Polarized Distribution Function (BPDF)
Defines the surface polarization as a function of illumination and observation characteristics.
Thin cloud contamination
Some algorithms may detect the presence of optically thin clouds (usually cirrus) that would otherwise adversely affect the retrieval of other parameters.
Cloud Properties from HARP2 and SPEXoneProducts that define the cloud state as observed by either HARP2 or SPEXone.
Products
Cloud detection
Cloud identification, either as binary flag, percentage or other metric.
Cloud physical thickness
Distance between cloud base and cloud top.
Cloud top height
Altitude of cloud top.
Cloud phase
Determination of liquid or ice phase cloud.
Liquid cloud optical depth
Synonymous with cloud optical thickness.
Liquid cloud droplet effective radius
A microphysical property describing droplet size distribution.
Liquid cloud droplet effective variance
A microphysical property describing droplet size distribution width.
Ice cloud optical depth
Synonymous with cloud optical thickness.
Ice particle shape and asymmetry parameter
Parameterization of shape is relevant for radiative transfer modeling.
Liquid water path
Can be derived from measures of optical depth and droplet size distribution.
Ocean Surface Properties from HARP2Produced by an algorithm specifically designed for the retrieval of ocean surface characteristics.
Products
Aerosol optical depth in the near infrared
Byproduct of the primary algorithm.
Ocean surface refractive index
Indication of non seawater substances on the ocean surface, such as oil.
Calibrated Radiometry and PolarimetryCalibrated and geolocated radiometry and polarimetry as observed at sensor.
Products
Spectral top-of-atmosphere radiances from OCI
Spectral radiance observed at the top of the atmosphere.
Spectral top-of-atmosphere radiances and polarimetry from SPEXone
Spectral radiance and polarimetry observed at the top of the atmosphere, for all sensor viewing angles.
Spectral top-of-atmosphere radiances and polarimetry from HARP2
Spectral radiance and polarimetry observed at the top of the atmosphere, for all sensor viewing angles.
Land Data Products to be Produced by OCIPhysical and optical properties of the land surface.
Products
Surface reflectance
Effective reflectance of the Earth's surface as observed by OCI.
BRDF/albedo and model parameters
Describes the spectral and directional dependence of surface reflectance.
Normalized difference vegetation index (NDVI)
Empirical metric related to vegetation abundance and health, corrected for atmospheric scattering and absorption.
Cloud Properties from HARP2 and SPEXoneProducts that define the cloud state as observed by either HARP2 or SPEXone.
Products
Cloud detection
Cloud identification, either as binary flag, percentage or other metric.
Cloud physical thickness
Distance between cloud base and cloud top.
Cloud top height
Altitude of cloud top.
Cloud phase
Determination of liquid or ice phase cloud.
Liquid cloud optical depth
Synonymous with cloud optical thickness.
Liquid cloud droplet effective radius
A microphysical property describing droplet size distribution.
Liquid cloud droplet effective variance
A microphysical property describing droplet size distribution width.
Ice cloud optical depth
Synonymous with cloud optical thickness.
Ice particle shape and asymmetry parameter
Parameterization of shape is relevant for radiative transfer modeling.
Liquid water path
Can be derived from measures of optical depth and droplet size distribution.
Ocean Properties to be Produced by OCIBio-optical and biogeochemical properties of seawater constituents in the sunlit upper ocean.
Products
Spectral remote sensing reflectances
Spectral color of the ocean in the ultraviolet-to-near infrared spectral range.
Spectral diffuse attenuation coefficients
Spectral diffuse attenuation of downwelling irradiance at multiple wavelengths between 350 and 700-nm.
Spectral phytoplankton absorption coefficients
Spectral absorption coefficients for total phytoplankton absorption at multiple wavelengths between 350 and 700-nm.
Spectral non-algal particle plus dissolved organic matter absorption coefficients
Spectral absorption coefficients for non-algal particulates and dissolved organic matter at multiple wavelengths between 350 and 700-nm.
Spectral chromophoric dissolved organic matter absorption coefficients
Spectral absorption coefficients for dissolved organic matter at multiple wavelengths between 350 and 700-nm.
Spectral slope coefficients of chromophoric dissolved organic matter absorption
Absorption spectral slope coefficients of chromophoric dissolved organic matter for multiple wavelength ranges.
Spectral particle backscattering coefficients
Spectral backscattering of the light associated with particulate material, at multiple wavelengths between 350-700 nm.
Fluorescence line height
Light leaving the surface ocean due to the sun induced chlorophyll fluorescence.
Daily photosynthetically available radiation (PAR)
The amount of sunlight that is useful for photosynthesis that reaches the surface of the ocean over a day.
Instantaneous photosynthetically available radiation (iPAR)
The amount of sunlight that is useful for photosynthesis that reaches the surface of the ocean at the moment of satellite data collection.
Concentration of chlorophyll-a
Near surface concentration of the photosynthetic pigment chlorophyll-a.
Phytoplankton pigment concentrations
Concentration of specific photosynthetic pigments in the surface ocean.
Net primary production (NPP)
Rate of conversion of dissolved carbon dioxide to organic carbon through photosysthesis minus the carbon used for respiration.
Phytoplankton community composition
Descriptors of the composition of phytoplankton populations.
Concentration of particulate organic carbon
Near surface concentration of the particulate organic carbon.
Concentration of particulate inorganic carbon
Concentration of particulate inorganic carbon in the surface of the ocean.
Concentration of phytoplankton carbon
Concentration of carbon contained in phytoplankton cells.
Concentration of dissolved organic carbon
Near surface concentration of dissolved organic carbon.
Suspended particulate matter
Near surface concentration of particles both living (phytoplankton, zooplankton, bacteria) and non-living (detritus, sediments).
Aerosol and Ocean Properties from HARP2 and SPEXoneData products generated as a multi-parameter retrieval for HARP2 or SPEXone scenes over the ocean in cloud-free conditions.
Products
Spectral aerosol optical depth
Spectral measurement of the extinction of the solar beam caused by atmospheric aerosol particles.
Aerosol number concentration
Number of aerosols present within a defined volume or area.
Aerosol size distribution
Multiple parameters describing the distribution of aerosol sizes.
Aerosol complex refractive index
Real and imaginary component of refractive index for each aerosol mode.
Aerosol layer height
Parameterization of aerosol vertical distribution.
Aerosol shape, fraction spherical
Fraction of aerosols that are treated as spheres versus other shapes, such as spheroids.
Aerosol scattering phase matrix
Defined by above parameters, this describes the angular distribution of scattering and polarization.
Aerosol single scattering albedo
Ratio of aerosol scattering to extinction.
Ocean surface roughness
Surface roughness defines the directionality of the solar specular reflectance (sunglint), often parameterized by wind speed and direction.
Ocean body properties
In water optical properties that define the water leaving radiance.
Thin cloud contamination
Some algorithms may detect the presence of optically thin clouds (usually cirrus) that would otherwise adversely affect the retrieval of other parameters.
Ocean Surface Properties from HARP2Produced by an algorithm specifically designed for the retrieval of ocean surface characteristics.
Products
Aerosol optical depth in the near infrared
Byproduct of the primary algorithm.
Ocean surface refractive index
Indication of non seawater substances on the ocean surface, such as oil.
Atmospheric Properties to be Produced by OCIOptical, microphysical, and macrophysical properties of aerosols (e.g. dust, smoke) and clouds in the atmosphere.
Products
Spectral aerosol optical depth
Spectral measurement of the extinction of the solar beam caused by atmospheric aerosol particles, such as dust and haze.
Aerosol fine mode fraction (over ocean)
Fraction of visible aerosol optical depth from fine mode aerosols over oceans at 550 nm.
Cloud mask
Provides information on whether or not a given pixel is covered by cloud.
Cloud phase
Provides information on whether a given cloudy pixel is composed of liquid-phase or ice-phase clouds.
Cloud top pressure of opaque clouds
Atmospheric pressure at the height of the cloud top.
Optical thickness of liquid and ice clouds
Measurement of extinction of the solar beam due to clouds in the mid-visible wavelength.
Effective radius of liquid and ice clouds
Ratio of the third to second moments of the cloud droplet size distribution, as an indicator of cloud particle size.
Water path of liquid and ice clouds
Mass of (liquid or ice) water in clouds in the vertical column.
Shortwave radiation effect
Reflected solar flux (spectral and directional integral of reflected sunlight).
Aerosol and Land Surface Properties from HARP2 and SPEXoneProducts produced as a multi-parameter retrieval for HARP2 or SPEXone scenes over land in cloud-free conditions.
Products
Spectral aerosol optical depth
Spectral measurement of the extinction of the solar beam caused by atmospheric aerosol particles.
Aerosol number concentration
Number of aerosols present within a defined volume or area.
Aerosol size distribution
Multiple parameters describing the distribution of aerosol sizes.
Aerosol complex refractive index
Real and imaginary component of refractive index for each aerosol mode.
Aerosol layer height
Parameterization of aerosol vertical distribution.
Aerosol shape, fraction spherical
Fraction of aerosols that are treated as spheres versus other shapes, such as spheroids.
Aerosol scattering phase matrix
Defined by above parameters, this describes the angular distribution of scattering and polarization.
Aerosol single scattering albedo
Ratio of aerosol scattering to extinction.
Spectrally resolved land surface Bidirectional Reflectance Distribution Function (BRDF)
Defines the reflectance as a function of illumination and observation characteristics.
Spectrally resolved land surface Bidirectional Polarized Distribution Function (BPDF)
Defines the surface polarization as a function of illumination and observation characteristics.
Thin cloud contamination
Some algorithms may detect the presence of optically thin clouds (usually cirrus) that would otherwise adversely affect the retrieval of other parameters.