Jumbo Content

Data Products Overview

Calibrated Radiometery and Polarimetery
Calibrated and geolocated radiometry and polarimetery as observed at sensor.

Radiance

Products

Spectral top-of-atmosphere radiances from OCI

Spectral radiance observed at the top of the atmosphere.

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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.

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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.

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Ocean Properties to be Produced by OCI
Bio-optical and biogeochemical properties of seawater constituents in the sunlit upper ocean.

Observations of chlorophyll during the KORUS-OC field campaign

Products

Spectral remote sensing reflectances

Spectral color of the ocean in the ultraviolet-to-near infrared spectral range.

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Spectral diffuse attenuation coefficients

Spectral diffuse attenuation of downwelling irradiance at multiple wavelengths between 350 and 700-nm.

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Spectral phytoplankton absorption coefficients

Spectral absorption coefficients for total phytoplankton absorption at multiple wavelengths between 350 and 700-nm.

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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.

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Spectral chromophoric dissolved organic matter absorption coefficients

Spectral absorption coefficients for dissolved organic matter at multiple wavelengths between 350 and 700-nm.

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Spectral slope coefficients of chromophoric dissolved organic matter absorption

Absorption spectral slope coefficients of chromophoric dissolved organic matter for multiple wavelength ranges.

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Spectral particle backscattering coefficients

Spectral backscattering of the light associated with particulate material, at multiple wavelengths between 350-700 nm.

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Fluorescence line height

Light leaving the surface ocean due to the sun induced chlorophyll fluorescence.

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Daily photosynthetically available radiation (PAR)

The amount of sunlight that is useful for photosynthesis that reaches the surface of the ocean over a day.

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Instantaneous photosynthetically available radiation (PAR)

The amount of sunlight that is useful for photosynthesis that reaches the surface of the ocean at the moment of satellite data collection.

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Concentration of chlorophyll-a

Near surface concentration of the photosynthetic pigment chlorophyll-a.

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Phytoplankton pigment concentrations

Concentration of specific photosynthetic pigments in the surface ocean.

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Net primary production (NPP)

Rate of conversion of dissolved carbon dioxide to organic carbon through photosysthesis minus the carbon used for respiration.

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Phytoplankton community composition

Descriptors of the composition of phytoplankton populations.

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Concentration of particulate organic carbon

Near surface concentration of the particulate organic carbon.

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Concentration of particulate inorganic carbon

Concentration of particulate inorganic carbon in the surface of the ocean.

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Concentration of phytoplankton carbon

Concentration of carbon contained in phytoplankton cells.

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Concentration of dissolved organic carbon

Near surface concentration of dissolved organic carbon.

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Suspended particulate matter

Near surface concentration of particles both living (phytoplankton, zooplankton, bacteria) and non-living (detritus, sediments).

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Atmospheric Properties to be Produced by OCI
Optical, microphysical, and macrophysical properties of aerosols (e.g. dust, smoke) and clouds in the atmosphere.

Clouds and aerosols from the Space Station

Products

Spectral aerosol optical depth

Spectral measurement of the extinction of the solar beam caused by atmospheric aerosol particles, such as dust and haze.

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Aerosol fine mode fraction (over ocean)

Fraction of visible aerosol optical depth from fine mode aerosols over oceans at 550 nm.

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Cloud mask

Provides information on whether or not a given pixel is covered by cloud.

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Cloud phase

Provides information on whether a given cloudy pixel is composed of liquid-phase or ice-phase clouds.

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Cloud top pressure of opaque clouds

Atmospheric pressure at the height of the cloud top.

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Optical thickness of liquid and ice clouds

Measurement of extinction of the solar beam due to clouds in the mid-visible wavelength.

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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.

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Water path of liquid and ice clouds

Mass of (liquid or ice) water in clouds in the vertical column.

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Shortwave radiation effect

Reflected solar flux (spectral and directional integral of reflected sunlight).

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Land Data Products to be Produced by OCI
Physical and optical properties of the land surface.

Global image of the Earth's biosphere

Products

Surface reflectance

Effective reflectance of the Earth's surface as observed by OCI.

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BRDF/albedo and model parameters

Describes the spectral and directional dependence of surface reflectance.

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Normalized difference vegetation index (NDVI)

Empirical metric related to vegetation abundance and health, corrected for atmospheric scattering and absorption.

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Aerosol and Ocean Properties from HARP2 and SPEXone
Data products generated as a multi-parameter retrieval for HARP2 or SPEXone scenes over the ocean in cloud-free conditions.

Low-level clouds along the California coast

Products

Spectral aerosol optical depth

Spectral measurement of the extinction of the solar beam caused by atmospheric aerosol particles.

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Aerosol number concentration

Number of aerosols present within a defined volume or area.

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Aerosol size distribution

Multiple parameters describing the distribution of aerosol sizes.

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Aerosol complex refractive index

Real and imaginary component of refractive index for each aerosol mode.

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Aerosol layer height

Parameterization of aerosol vertical distribution.

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Aerosol shape, fraction spherical

Fraction of aerosols that are treated as spheres versus other shapes, such as spheroids.

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Aerosol scattering phase matrix

Defined by above parameters, this describes the angular distribution of scattering and polarization.

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Aerosol single scattering albedo

Ratio of aerosol scattering to extinction.

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Ocean surface roughness

Surface roughness defines the directionality of the solar specular reflectance (sunglint), often parameterized by wind speed and direction.

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Ocean body properties

In water optical properties that define the water leaving radiance.

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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.

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Aerosol and Land Surface Properties from HARP2 and SPEXone
Products produced as a multi-parameter retrieval for HARP2 or SPEXone scenes over land in cloud-free conditions.

Artist’s rendition of the HARP2 payload in orbit

Products

Spectral aerosol optical depth

Spectral measurement of the extinction of the solar beam caused by atmospheric aerosol particles.

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Aerosol number concentration

Number of aerosols present within a defined volume or area.

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Aerosol size distribution

Multiple parameters describing the distribution of aerosol sizes.

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Aerosol complex refractive index

Real and imaginary component of refractive index for each aerosol mode.

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Aerosol layer height

Parameterization of aerosol vertical distribution.

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Aerosol shape, fraction spherical

Fraction of aerosols that are treated as spheres versus other shapes, such as spheroids.

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Aerosol scattering phase matrix

Defined by above parameters, this describes the angular distribution of scattering and polarization.

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Aerosol single scattering albedo

Ratio of aerosol scattering to extinction.

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Spectrally resolved land surface Bidirectional Reflectance Distribution Function (BRDF)

Defines the reflectance as a function of illumination and observation characteristics.

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Spectrally resolved land surface Bidirectional Polarized Distribution Function (BPDF)

Defines the surface polarization as a function of illumination and observation characteristics.

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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.

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Cloud Properties from HARP2 and SPEXone
Products that define the cloud state as observed by either HARP2 or SPEXone.

Ocean clouds seen from space

Products

Cloud detection

Cloud identification, either as binary flag, percentage or other metric.

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Cloud physical thickness

Distance between cloud base and cloud top.

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Cloud top height

Altitude of cloud top.

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Cloud phase

Determination of liquid or ice phase cloud.

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Liquid cloud optical depth

Synonymous with cloud optical thickness.

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Liquid cloud droplet effective radius

A microphysical property describing droplet size distribution.

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Liquid cloud droplet effective variance

A microphysical property describing droplet size distribution width.

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Ice cloud optical depth

Synonymous with cloud optical thickness.

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Ice particle shape and asymmetry parameter

Parameterization of shape is relevant for radiative transfer modeling.

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Liquid water path

Can be derived from measures of optical depth and droplet size distribution.

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Ocean Surface Properties from HARP2
Produced by an algorithm specifically designed for the retrieval of ocean surface characteristics.

A representative data swath from the PACE satellite

Products

Aerosol optical depth in the near infrared

Byproduct of the primary algorithm.

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Ocean surface refractive index

Indication of non seawater substances on the ocean surface, such as oil.

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