Jumbo Content

Data Products Table


Points of contact (POCs) under Additional Info refer to the PACE Project Science Lead responsible for shepherding an approach through implementation.


Access to data varies with its status (data maturity level). Provisional data are available through Earthdata Search, the OB.DAAC File Search and Level 3 & 4 Browser. Test and Diagnostic data are available through the OB.DAAC File Search and Level 3 & 4 Browser. See also “Access PACE Data”.

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Calibrated Radiometry and Polarimetry
Calibrated and geolocated radiometry and polarimetry as observed at sensor.
ProductL2 SuiteDescription and UseUnitsAvailabilityStatusAdditional Info
Spectral top-of-atmosphere radiances from OCIN/ASpectral radiance observed at the top of the atmosphere.W m-2 um-1 sr-1Level-1B 1.2-km native; daily - Level-1C; 5.2-km; dailyProvisionalLevel-1C draft data format and examples
Spectral top-of-atmosphere radiances and polarimetry from SPEXoneN/ASpectral radiance and polarimetry observed at the top of the atmosphere, for all sensor viewing angles.VariousLevel-1B 5.2-km; daily - Level-1C; 5.2-km; dailyProvisionalLevel-1C draft data format and examples
Spectral top-of-atmosphere radiances and polarimetry from HARP2N/ASpectral radiance and polarimetry observed at the top of the atmosphere, for all sensor viewing angles.VariousLevel-1B 5.2-km; daily - Level-1C; 5.2-km; dailyProvisionalLevel-1C draft data format and examples

Aquatic Properties to be Produced by OCI
Bio-optical and biogeochemical properties of seawater constituents in the sunlit upper ocean.
ProductL2 SuiteDescription and UseUnitsAvailabilityStatusAdditional Info
Spectral remote sensing reflectancesOC_AOPSpectral color of the ocean in the ultraviolet-to-near infrared spectral range. Used as input into algorithms to retrieve information about colored dissolved organic matter, phytoplankton, non-algal particles, and other aquatic constituents. Provided in continuous 2.5-nm steps from 350 to 717.5-nm and 1.25 nm steps between 640 to 715 nm with a resolution (bandwidth) of 5-nm.sr-1Level-2 1.2-km native; daily - Level-3 4-km; daily, 8-day, monthly, annualProvisionalATBD
POC: Amir Ibrahim
In situ measurement protocols
Surface reflectanceSFREFL Effective reflectance of the Earth's surface as observed by OCI. Used as an input to downstream ocean data products. Includes inland waters as well as ocean surface reflectance.unitlessLevel-2 1.2-km native; daily - Level-3 4-km and 0.1 deg; daily, 8-day, monthlyProvisionalATBD
POC: Skye Caplan
Apparent visible wavelengthOC_AOPAn optical water classification index reported as the weighted harmonic mean of visible-range Rrs wavelengths (400-700 nm)nmLevel-2 1.2-km native; daily - Level-3 4-km; daily, 8-day, monthly, annualProvisionalATBD
POC: Ivona Cetinić
Spectral diffuse attenuation coefficientsOC_IOPSpectral diffuse attenuation of downwelling irradiance at multiple wavelengths between 350 and 700 nm. Provides indices of water clarity and light penetration.m-1Level-2 1.2-km native; daily - Level-3 4-km; daily, 8-day, monthly, annualProvisionalATBD
POC: Lachlan McKinna
In situ measurement protocols
Spectral phytoplankton absorption coefficientsOC_IOPSpectral absorption coefficients for total phytoplankton absorption at multiple wavelengths between 350 and 700-nm. Provides information on phytoplankton physiology, abundance, and community composition.m-1Level-2 1.2-km native; daily - Level-3 4-km; daily, 8-day, monthly, annualProvisionalATBD
POC: Lachlan McKinna
In situ measurement protocols
Spectral non-algal particle plus dissolved organic matter absorption coefficientsOC_IOPSpectral absorption coefficients for non-algal particulates and dissolved organic matter at multiple wavelengths between 350 and 700-nm. Provides information on the concentrations of the dissolved component of organic carbon and the detrital (non-algal) component of the particulate assembly.m-1Level-2 1.2-km native; daily - Level-3 4-km; daily, 8-day, monthly, annualProvisionalATBD
POC: Lachlan McKinna
In situ measurement protocols
Spectral chromophoric dissolved organic matter absorption coefficientsSpectral absorption coefficients for dissolved organic matter at multiple wavelengths between 350 and 700-nm. Provides information on the concentration of the dissolved component of organic carbon.m-1TBDPOC: Lachlan McKinna
In situ measurement protocols
Spectral slope coefficients of chromophoric dissolved organic matter absorptionAbsorption spectral slope coefficients of chromophoric dissolved organic matter for multiple wavelength ranges: 275-295, 350-400, 380-600 nm. Provides information on the contribution of land-derived dissolved organic matter, relative contribution of land- versus marine-derived dissolved organic matter, and as a relative measure of solar photobleaching.nm-1TBDPOC: Lachlan McKinna
In situ measurement protocols
Spectral non-algal particle matter absorption coefficientsSpectral absorption coefficients for non-algal particulate matter at multiple wavelengths between 350 and 700 nm. Provides information on the concentration of non-phytoplankton particulate components.nm-1TBDPOC: Lachlan McKinna
In situ measurement protocols
Spectral particulate matter absorption coefficientsSpectral absorption coefficients for particulate matter at multiple wavelengths between 350 and 700 nm. Provides information on the concentration of particulate matter in the water column.nm-1TBDPOC: Lachlan McKinna
In situ measurement protocols
Spectral particle backscattering coefficientsOC_IOPSpectral backscattering of the light associated with particulate material, at multiple wavelengths between 350-700 nm. Provides an indicator of the concentration of particules in the ocean and a proxy indicator of particulate carbon concentrations.m-1Level-2 1.2-km native; daily - Level-3 4-km; daily, 8-day, monthly, annualProvisionalATBD
POC: Lachlan McKinna
In situ measurement protocols
Fluorescence line heightOC_AOPLight leaving the surface ocean due to the sun induced chlorophyll fluorescence. Provides an indicator of phytoplankton physiology (health?).W m-2 um-1 sr-1Level-2 1.2-km native; daily - Level-3 4-km; daily, 8-day, monthly, annualProvisionalATBD
POC: Ivona Cetinić
Photosynthetically available radiation (PAR)OC_PAR The amount of sunlight that is useful for photosynthesis, defined here as the 400-700 nm spectral range, that reaches the surface of the ocean over a day. As phytoplankton require light to convert inorganic carbon to organic carbon, PAR provides a critical parameter for understanding the oceanic carbon cycle. Retrievals include instantaneous planar PAR above and below the sea surface, instantaneous scalar PAR below the surface, daily planar PAR above and below the surface, and daily scalar PAR below the surface. daily PAR: mol m-1 d-1

instantaneous PAR: micromol m-1s-1
Level-2 1.2-km native; daily - Level-3 4-km; daily, 8-day, monthly, annualProvisionalATBD
POC: Amir Ibrahim
Concentration of chlorophyll-aOC_BGCNear surface concentration of the photosynthetic pigment chlorophyll-a. Provides proxies for algal biomass, ecosystem health and function, and eutrophication.mg m-3Level-2 1.2-km native; daily - Level-3 4-km; daily, 8-day, monthly, annualProvisionalATBD
POC: Ivona Cetinić
In situ measurement protocols
Phytoplankton pigment concentrationsConcentration of specific photosynthetic pigments in the surface ocean. As different phytoplankton taxa contain their own specific pigment suites, these concentrations provide indicators of presence and abundance of specific types of phytoplankton in the ocean (e.g. harmful algal blooms).mg m-3TBDPOC: Ivona Cetinić
In situ measurement protocols
Net primary production (NPP)Rate of conversion of dissolved carbon dioxide to organic carbon through photosysthesis minus the carbon used for respiration. NPP is an important part of the carbon cycle and these products are used in local models (estimating food avaliable to fish populations) all the way up to global climate and Earth System models (to predict information about the oceans of today and tomorrow).mg C m-2 d-1Level-4 4-km; daily, 8-day, monthly, annualPOC: Ivona Cetinić
In situ measurement protocols
Phytoplankton community composition: MOANAThe composition and distribution of three phytoplankton populations in the Atlantic Ocean. Specifically, near-surface concentrations (cells mL-1 of Prochlorococcus, Synechococcus, and autotrophic picoeukaryotes are retrieved using principle component analysis and multiple regression techniques.cells mL-1Level-3 Atlantic only; 4-km; daily, 8-day, monthly, annualProvisionalATBD
POC: Ivona Cetinić
Imagery submission guidelines
Cytometry submission guidelines
Phytoplankton community composition: Cyanobacteria IndexILWMetric representing the relative abundance of cyanobacteria in U.S. inland lakes by assessing the spectral shape around 680 nm to assist in identifying harmful algal blooms.sr-1TBDPOC: Bridget Seegers
Wynne et al., 2008 (DOI)
Concentration of particulate organic carbonOC_BGCNear surface concentration of the particulate organic carbon. It is a proxy for all living material (phytoplankton, zooplankton, bacteria) and detritus. It is also a venue through which organic carbon, sequestered through the photosynthesis, is transfered towards higher trophic levels and into the deep ocean.mg m-3Level-2 1.2-km native; daily - Level-3 4-km; daily, 8-day, monthly, annualProvisionalATBD
POC: Ivona Cetinić
In situ measurement protocols
Concentration of particulate inorganic carbonConcentration of particulate inorganic carbon in the surface of the ocean. Used to track the presence and abundance of calcite containing phytoplankton in the open ocean (coccolithophores).mol m-3TBDATBD
POC: Ivona Cetinić
Concentration of phytoplankton carbonOC_BGCConcentration of carbon contained in phytoplankton cells. Provides a proxy for phytoplankton biomass that is often used in primary productivity algorithms and biogeochemical and Earth System models.mg m-3Level-2 1.2-km native; daily - Level-3 4-km; daily, 8-day, monthly, annualProvisionalATBD
POC: Ivona Cetinić
Concentration of dissolved organic carbonNear surface concentration of dissolved organic carbon. It is exported into coastal waters from land through rivers and groundwater. In the aquatic environment, it is produced or released by all living material (phytoplankton, zooplankton, bacteria) and detritus. It is a source of energy for bacteria and other microbial organisms and is transferred to higher trophic levels. It typically comprises well over 95% of the organic carbon in the ocean.mmol m-3TBD
Suspended particulate matterNear surface concentration of particles both living (phytoplankton, zooplankton, bacteria) and non-living (detritus, sediments).mg m-3TBDAnticipated regional only.

Atmospheric Properties to be Produced by OCI
Optical, microphysical, and macrophysical properties of aerosols (e.g. dust, smoke) and clouds in the atmosphere.
ProductL2 SuiteDescription and UseUnitsAvailabilityStatusAdditional Info
Spectral aerosol optical depthAER_UAASpectral measurement of the extinction of the solar beam caused by atmospheric aerosol particles, such as dust and haze, at 380, 440, 500, 550, and 675 nm (and potentially additional wavelengths) over land and oceans. Provides information on the concentration of aerosols in a vertical column of atmosphere.unitlessLevel-2 8.4-km at nadir, daily - Level-3 0.1-deg, 1-deg; temporal TBDTestPOC: Andrew Sayer
Remer et al., 2019 (DOI)
Aerosol fine mode fraction (over ocean)AER_UAAFraction of visible aerosol optical depth from fine mode aerosols over oceans at 550 nm.unitlessLevel-2 8.4-km at nadir, daily - Level-3 0.1-deg, 1-deg; temporal TBDTestPOC: Andrew Sayer
Remer et al., 2019 (DOI)
Aerosol single scattering albedoAER_UAARatio of scattering aerosol optical thickness to total aerosol optical thickness, a measure of aerosol absorption. Determined at near-UV and visible wavelengths under certain conditions only.unitlessLevel-2 8.4-km at nadir, daily - Level-3 0.1-deg, 1-deg; temporal TBDTestPOC: Andrew Sayer
Remer et al., 2019 (DOI)
Ultraviolet absorbing aerosol indexUVAI_UAAA semi-quantitative parameter related to the amount, altitude, and level of absorption of light-absorbing aerosols such as mineral dust or smoke.unitlessLevel-2 1.2-km native, daily - Level-3 0.1-deg, 1-deg; temporal TBDTestPOC: Andrew Sayer
Remer et al., 2019 (DOI)
Nitrogen dioxide (NO2) vertical column densityNULLColumn abundance of nitrogen dioxide molecules. Important for air quality and atmospheric chemistry purposes, and atmospheric correction of surface reflectances.molecules cm-2TBDPOC: Andrew Sayer
Cloud maskCLDMASKProvides information on whether or not a given pixel is covered by cloud. This is an input to many downstream algorithms, as most process either only cloudy or only cloud-free scenes, and is also useful for climate research.unitlessLevel-2 1.2-km native; daily - Level-3 4 km; 0.1 deg, 1 deg; daily, 8-day, monthlyProvisionalPOC: Andrew Sayer
Cloud phaseCLDProvides information on whether a given cloudy pixel is composed of liquid-phase or ice-phase clouds. Used as an input to downstream processing to inform optical model choices, as well as for climate research.unitlessLevel-2 1.2-km native; daily - Level-3 4 km; 0.1 deg, 1 deg; daily, 8-day, monthlyProvisionalPOC: Andrew Sayer
Platnick et al. 2020 (DOI)
Cloud top pressure of opaque cloudsCLDAtmospheric pressure at the height of the cloud top. Useful for climate research and in L1c reaggregation.hPaLevel-2 1.2-km native; daily - Level-3 4 km; 0.1 deg, 1 deg; daily, 8-day, monthlyProvisionalPOC: Andrew Sayer
Sayer et al. 2024 (DOI)
Optical thickness of liquid and ice cloudsCLDMeasurement of extinction of the solar beam due to clouds in the mid-visible wavelength. Used for climate studies.unitlessLevel-2 1.2-km native; daily - Level-3 4 km; 0.1 deg, 1 deg; daily, 8-day, monthlyProvisionalPOC: Andrew Sayer
Platnick et al. 2020 (DOI)
Effective radius of liquid and ice cloudsCLDRatio of the third to second moments of the cloud droplet size distribution, as an indicator of cloud particle size. Used for climate studies.micronsLevel-2 1.2-km native; daily - Level-3 4 km; 0.1 deg, 1 deg; daily, 8-day, monthlyProvisionalPOC: Andrew Sayer
Platnick et al. 2020 (DOI)
Water path of liquid and ice clouds CLDMass of (liquid or ice) water in clouds in the vertical column. Used for climate studies.gm-2Level-2 1.2-km native; daily - Level-3 4 km; 0.1 deg, 1 deg; daily, 8-day, monthlyProvisionalPOC: Andrew Sayer
Platnick et al. 2020 (DOI)
Shortwave radiation effectReflected solar flux (spectral and directional integral of reflected sunlight).W m-2Level-3 1-deg x 1-deg; daily, monthlyPOC: Brian Cairns

Land Data Products to be Produced by OCI
Physical and optical properties of the land surface.
ProductL2 SuiteDescription and UseUnitsAvailabilityStatusAdditional Info
Surface reflectanceSFREFL Effective reflectance of the Earth's surface as observed by OCI. Used as an input to downstream land data products.unitlessLevel-2 1.2-km native; daily - Level-3 4-km and 0.1 deg; daily, 8-day, monthlyProvisionalATBD
POC: Skye Caplan
BRDF/albedo and model parametersDescribes the spectral and directional dependence of surface reflectance.unitlessTBD
Normalized difference vegetation index (NDVI)LANDVIEmpirical metric related to vegetation abundance and health, corrected for atmospheric scattering and absorption.unitlessLevel-2 1.2-km native; daily - Level-3 4-km and 0.1 deg; daily, 8-day, monthlyProvisionalATBD
POC: Skye Caplan
Enhanced vegetation index (EVI)LANDVIEmpirical metric related to vegetation abundance and health, similar to NDVI, with additional resistance to atmospheric effects and sensitivity in densely vegetated regions.unitlessLevel-2 1.2-km native; daily - Level-3 4-km and 0.1 deg; daily, 8-day, monthlyProvisionalATBD
POC: Skye Caplan
Normalized Difference Water Index (NDWI)LANDVIEmpirical metric using NIR and SWIR (1250 nm) bands to investigate vegetation water content and stress.unitlessLevel-2 1.2-km native, daily - Level-3 4-km and 0.1-deg; daily, 8-day, monthlyProvisionalATBD
POC: Skye Caplan
Normalized Difference Infrared Index (NDII)LANDVIEmpirical metric using NIR and SWIR (1618 nm) bands to investigate vegetation water content and stress.unitlessLevel-2 1.2-km native; daily - Level-3 4-km and 0.1 deg; daily, 8-day, monthlyProvisionalATBD
POC: Skye Caplan
Chlorophyll-Carotenoid Index (CCI)LANDVIEmpirical metric related to photosynthesis through chlorophyll/carotenoid pigment dynamics.unitlessLevel-2 1.2-km native; daily - Level-3 4-km and 0.1 deg; daily, 8-day, monthlyProvisionalATBD
POC: Skye Caplan
Normalized Difference Snow Index (NDSI)LANDVIEmpirical metric for evaluating the presence of snow in any given pixel.unitlessLevel-2 1.2-km native; daily - Level-3 4-km and 0.1 deg; daily, 8-day, monthlyProvisionalATBD
POC: Skye Caplan
Photochemical reflectance index (PRI)LANDVIHyperspectral vegetation index designed to capture subtle shifts in carotenoids and provides information on stress in plantsunitlessLevel-2 1.2-km native; daily - Level-3 4-km and 0.1 deg; daily, 8-day, monthlyProvisionalATBD
POC: Skye Caplan
Chlorophyll Index Red Edge (CIRE)LANDVIHyperspectral vegetation index related to canopy chlorophyll content using red edge (NIR) surface reflectance measurements.unitlessLevel-2 1.2-km native; daily - Level-3 4-km and 0.1 deg; daily, 8-day, monthlyProvisionalATBD
POC: Skye Caplan
Carotenoid Content Index (Car)LANDVIHyperspectral vegetation index related to canopy carotenoid content, a pigment which plays a role in photosynthesis and photo-protection.unitlessLevel-2 1.2-km native; daily - Level-3 4-km and 0.1 deg; daily, 8-day, monthlyProvisionalATBD
POC: Skye Caplan
Modified Anthocyanin Reflectance Index (mARI)LANDVIHyperspectral vegetation index related to canopy anthocyanin content, a pigment which protects leaves from excess light.unitlessLevel-2 1.2-km native; daily - Level-3 4-km and 0.1 deg; daily, 8-day, monthlyProvisionalATBD
POC: Skye Caplan

Aerosol and Ocean Properties from HARP2
Data products generated as a multi-parameter retrieval for HARP2.
ProductL2 SuiteDescription and UseUnitsAvailabilityStatusAdditional Info
Spectral aerosol optical depthSpectral measurement of the extinction of the solar beam caused by atmospheric aerosol particles. Provides information on the concentration of aerosols in a vertical column of atmosphere. May be represented separately for different aerosol size/type modes.unitlessTBDPOC: Meng Gao
FastMAPOL
Aerosol size distributionMultiple parameters describing the distribution of aerosol sizes. May include multiple size modes or bins.depends on parameterization schemeTBDPOC: Meng Gao
FastMAPOL
Aerosol complex refractive indexReal and imaginary component of refractive index for each aerosol mode. This defines aerosol extinction, scattering and absorption.unitlessTBDPOC: Meng Gao
FastMAPOL
Aerosol layer heightParameterization of aerosol vertical distribution.depends on parameterization schemeTBDPOC: Meng Gao
FastMAPOL
Aerosol shape, fraction sphericalFraction of aerosols that are treated as spheres versus other shapes, such as spheroids.unitlessTBDPOC: Meng Gao
FastMAPOL
Spectral remote sensing reflectancesSpectral color of the ocean in the visible spectral range. Used to evaluate performance of atmospheric correction based on aerosol properties retrieved from polarimeters, faciliate synergy with other instruments.sr-1TBDPOC: Meng Gao
FastMAPOL
Aerosol single scattering albedoRatio of aerosol scattering to extinction.unitlessTBDPOC: Meng Gao
FastMAPOL
Ocean surface roughnessSurface roughness defines the directionality of the solar specular reflectance (sunglint), often parameterized by wind speed and direction.depends on parameterization schemeTBDPOC: Meng Gao
FastMAPOL
Ocean body propertiesIn water optical properties that define the water leaving radiance. Parameterization schemes may be simple or complex, the validity of which depend on ocean conditions.depends on parameterization schemeTBDPOC: Meng Gao
FastMAPOL

Aerosol and Land Surface Properties from HARP2
Products produced as a multi-parameter retrieval for HARP2 scenes over land in cloud-free conditions.
ProductL2 SuiteDescription and UseUnitsAvailabilityStatusAdditional Info
Spectral aerosol optical depthSpectral measurement of the extinction of the solar beam caused by atmospheric aerosol particles. Provides information on the concentration of aerosols in a vertical column of atmosphere. May be represented separately for different aerosol size/type modes.unitlessTBDPOC: Kirk Knobelspiesse
Aerosol number concentrationNumber of aerosols present within a defined volume or area.per unit area, or volumeTBDPOC: Kirk Knobelspiesse
Aerosol size distributionMultiple parameters describing the distribution of aerosol sizes. May include multiple size modes or bins.depends on parameterization schemeTBDPOC: Kirk Knobelspiesse
Aerosol complex refractive indexReal and imaginary component of refractive index for each aerosol mode. This defines aerosol extinction, scattering and absorption.unitlessTBDPOC: Kirk Knobelspiesse
Aerosol layer heightParameterization of aerosol vertical distribution.depends on parameterization schemeTBDPOC: Kirk Knobelspiesse
Aerosol shape, fraction sphericalFraction of aerosols that are treated as spheres versus other shapes, such as spheroids.unitlessTBDPOC: Kirk Knobelspiesse
Aerosol single scattering albedoRatio of aerosol scattering to extinction.unitlessTBDPOC: Kirk Knobelspiesse
Spectrally resolved land surface Bidirectional Reflectance Distribution Function (BRDF)Defines the reflectance as a function of illumination and observation characteristics. Often represented as a modal sum of angular distribution kernels.depends on parameterization schemeTBDPOC: Kirk Knobelspiesse
Spectrally resolved land surface Bidirectional Polarized Distribution Function (BPDF)Defines the surface polarization as a function of illumination and observation characteristics.depends on parameterization schemeTBDPOC: Kirk Knobelspiesse

Cloud Properties from HARP2
Products that define the cloud state as observed by HARP2.
ProductL2 SuiteDescription and UseUnitsAvailabilityStatusAdditional Info
Cloud physical thicknessDistance between cloud base and cloud top.kmTBDPOC: Chamara Rajapakshe
Sinclair et al., 2019 (DOI)
Cloud top heightAltitude of cloud top.kmTBDPOC: Chamara Rajapakshe
van Diedenhoven et al, 2007 (DOI); van Diedenhoven et al., 2013 (DOI); Sinclair et al., 2017 (DOI)
Cloud liquid indexDetermination of liquid or ice phase cloud.unitlessTBDPOC: Chamara Rajapakshe
Riedi, et al, 2010 (DOI)
Cloud optical depthSynonymous with cloud optical thickness.unitlessTBDPOC: Chamara Rajapakshe
Liang et al., 2009 (DOI); Werner et al. 2018 (DOI)
Liquid cloud droplet effective radius and effective varianceA microphysical property describing droplet size distribution and distribution width.microns and unitlessTBDPOC: Chamara Rajapakshe
Alexandrov et al., 2012 (DOI); Breon and Doutriaux-Boucher, 2005 (DOI); McBride et al., 2019 (DOI)
Ice particle shape, roughness and asymmetry parameterParameterization of shape is relevant for radiative transfer modeling.unitlessTBDPOC: Chamara Rajapakshe
van Diedenhoven et al., 2020 (DOI)
Liquid water pathCan be derived from measures of optical depth and droplet size distribution.gm-2TBDPOC: Chamara Rajapakshe
Stephens, 1978 (DOI); Brenguier et al., 2003 (DOI); Miller et al., 2016 (DOI)
3D cloud field3D reconstruction of cloud vertical and horizontal distribution using multi-angle polarimetry.m-1TBDPOC: Sean Foley
Foley et al., 2024 (DOI)

Aerosol, Ocean, and Land Properties from SPEXone
Products produced as a multi-parameter retrieval for SPEXone scenes in cloud-free conditions.
ProductL2 SuiteDescription and UseUnitsAvailabilityStatusAdditional Info
Spectral aerosol optical depthSpectral measurement of the extinction of the solar beam caused by atmospheric aerosol particles. Provides information on the concentration of aerosols in a vertical column of atmosphere. May be represented separately for different aerosol size/type modes.unitlessLevel-2 5.2-km; dailyProvisionalPOC: Otto Hasekamp
ATBD
Aerosol size distributionMultiple parameters describing the distribution of aerosol sizes. May include multiple size modes or bins.depends on parameterization schemeLevel-2 5.2-km; dailyProvisionalPOC: Otto Hasekamp
ATBD
Aerosol complex refractive indexReal and imaginary component of refractive index for each aerosol mode. This defines aerosol extinction, scattering and absorption.unitlessLevel-2 5.2-km; dailyProvisionalPOC: Otto Hasekamp
ATBD
Aerosol layer heightParameterization of aerosol vertical distribution.depends on parameterization schemeLevel-2 5.2-km; dailyProvisionalPOC: Otto Hasekamp
ATBD
Aerosol shape, fraction sphericalFraction of aerosols that are treated as spheres versus other shapes, such as spheroids.unitlessLevel-2 5.2-km; dailyProvisionalPOC: Otto Hasekamp
ATBD
Aerosol single scattering albedoRatio of aerosol scattering to extinction.unitlessLevel-2 5.2-km; dailyProvisionalPOC: Otto Hasekamp
ATBD
Ocean surface roughnessSurface roughness defines the directionality of the solar specular reflectance (sunglint), often parameterized by wind speed and direction.depends on parameterization schemeLevel-2 5.2-km; dailyProvisionalPOC: Otto Hasekamp
ATBD
Ocean body propertiesIn water optical properties that define the water leaving radiance. Parameterization schemes may be simple or complex, the validity of which depend on ocean conditions.depends on parameterization schemeLevel-2 5.2-km; dailyProvisionalPOC: Otto Hasekamp
ATBD
Spectrally resolved land surface Bidirectional Reflectance Distribution Function (BRDF)Defines the reflectance as a function of illumination and observation characteristics. Often represented as a modal sum of angular distribution kernels.depends on parameterization schemeLevel-2 5.2-km; dailyProvisionalPOC: Otto Hasekamp
ATBD
Aerosol number concentrationNumber of aerosols present within a defined volume or area.per unit area, or volumeLevel-2 5.2-km; dailyProvisionalPOC: Otto Hasekamp
ATBD
Spectrally resolved land surface Bidirectional Polarized Distribution Function (BPDF)Defines the surface polarization as a function of illumination and observation characteristics.depends on parameterization schemeLevel-2 5.2-km; dailyProvisionalPOC: Otto Hasekamp
ATBD

Aerosol and Ocean Properties from OCI + HARP2 + SPEXone
Data products generated as a multi-parameter retrieval for HARP2 or SPEXone scenes over the ocean in cloud-free conditions.
ProductL2 SuiteDescription and UseUnitsAvailabilityStatusAdditional Info
Spectral aerosol optical depthSpectral measurement of the extinction of the solar beam caused by atmospheric aerosol particles. Provides information on the concentration of aerosols in a vertical column of atmosphere. May be represented separately for different aerosol size/type modes.unitlessTBDPOC: James Allen
MAPP
Aerosol size distributionMultiple parameters describing the distribution of aerosol sizes. May include multiple size modes or bins.depends on parameterization schemeTBDPOC: James Allen
MAPP
Aerosol complex refractive indexReal and imaginary component of refractive index for each aerosol mode. This defines aerosol extinction, scattering and absorption.unitlessTBDPOC: James Allen
MAPP
Aerosol layer heightParameterization of aerosol vertical distribution.depends on parameterization schemeTBDPOC: James Allen
MAPP
Aerosol shape, fraction sphericalFraction of aerosols that are treated as spheres versus other shapes, such as spheroids.unitlessTBDPOC: James Allen
MAPP
Aerosol scattering phase matrixDefined by above parameters, this describes the angular distribution of scattering and polarization.unitlessTBDPOC: James Allen
MAPP
Aerosol single scattering albedoRatio of aerosol scattering to extinction.unitlessTBDPOC: James Allen
MAPP
Spectral remote sensing reflectancesSpectral color of the ocean in the visible spectral range. Used to evaluate performance of atmospheric correction based on aerosol properties retrieved from polarimeters, faciliate synergy with other instrumentssr-1TBDPOC: James Allen
MAPP
Ocean surface roughnessSurface roughness defines the directionality of the solar specular reflectance (sunglint), often parameterized by wind speed and direction.depends on parameterization schemeTBDPOC: James Allen
MAPP
Ocean body propertiesIn water optical properties that define the water leaving radiance. Parameterization schemes may be simple or complex, the validity of which depend on ocean conditions.depends on parameterization schemeTBDPOC: James Allen
MAPP
Thin cloud contaminationSome algorithms may detect the presence of optically thin clouds (usually cirrus) that would otherwise adversely affect the retrieval of other parameters.depends on parameterization schemeTBDPOC: James Allen
MAPP