ECA_MSI_AOT_2A

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of ECA_MSI_AOT_2A data.

field name

type

dimensions

unit

description

datetime

double

{time}

[seconds since 2000-01-01]

UTC time

latitude

double

{time}

[degree_north]

Geodetic latitude

longitude

double

{time}

[degree_east]

Geodetic longitude

latitude_bounds

double

{time, 4}

[degree_north]

latitudes of the ground pixel corners (WGS84)

longitude_bounds

double

{time, 4}

[degree_east]

longitudes of the ground pixel corners (WGS84)

orbit_index

int32

absolute orbit number

aorosol_optical_depth

float

{time}

[]

aorosol optical thickness

aorosol_optical_depth_uncertainty

float

{time}

[]

aorosol optical thickness error

angstrom_exponent

float

{time}

[]

angstrom parameter

surface_reflectance

float

{time}

[]

surface reflectance

surface_reflectance_uncertainty

float

{time}

[]

surface reflectance error

validity

int8

{time}

quality status

index

int32

{time}

zero-based index of the sample within the source product

Ingestion options

The table below lists the available ingestion options for ECA_MSI_AOT_2A products.

option name

legal values

description

angstrom

670/865

wavelength combination for which the angstrom exponent is extracted: 355/670 (default), or 670/865 (angstrom=670/865)

aot

865

wavelength for which to ingest the aerosol optical thickness: 670nm (default) or 865nm (aot=865)

Mapping description

The table below details where and how each variable was retrieved from the input product.

field name

mapping description

datetime

path

/ScienceData/time

description

time is replicated in the across track dimension

latitude

path

/ScienceData/latitude

longitude

path

/ScienceData/longitude

latitude_bounds

description

interpolated from the center coordinates for each of the ground pixels

longitude_bounds

description

interpolated from the center coordinates for each of the ground pixels

orbit_index

path

/HeaderData/VariableProductHeader/MainProductHeader/orbitNumber

aorosol_optical_depth

condition

aot unset

path

/ScienceData/aerosol_optical_thickness_670nm

condition

aot=865

path

/ScienceData/aerosol_optical_thickness_865nm

aorosol_optical_depth_uncertainty

condition

aot unset

path

/ScienceData/aerosol_optical_thickness_670nm_error

condition

aot=865

path

/ScienceData/aerosol_optical_thickness_865nm_error

angstrom_exponent

condition

angstrom unset

path

/ScienceData/angstrom_parameter_355nm_670nm

condition

angstrom=670/865

path

/ScienceData/angstrom_parameter_670nm_865nm

surface_reflectance

available

optional

condition

aot unset

path

/ScienceData/surface_reflectance_670nm

surface_reflectance_uncertainty

available

optional

condition

aot unset

path

/ScienceData/surface_reflectance_670nm_error

validity

path

/ScienceData/quality_status