ESACCI_AEROSOL_L2_ATSR2

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of ESACCI_AEROSOL_L2_ATSR2 data.

field name

type

dimensions

unit

description

datetime

double

{time}

[seconds since 2000-01-01]

time of the measurement

latitude

double

{time}

[degree_north]

latitude of the ground pixel center

longitude

double

{time}

[degree_east]

longitude of the ground pixel center

latitude_bounds

double

{time, 4}

[degree_north]

corner latitudes for the ground pixel of the measurement

longitude_bounds

double

{time, 4}

[degree_east]

corner longitudes for the ground pixel of the measurement

aerosol_optical_depth

double

{time, spectral}

[]

aerosol optical depth

aerosol_optical_depth_uncertainty

double

{time, spectral}

[]

uncertainty of the aerosol optical depth

wavelength

double

{time, spectral}

[nm]

wavelengths of the measurements

sensor_zenith_angle

double

{time}

[degree]

sensor zenith angle for nadir view

solar_zenith_angle

double

{time}

[degree]

solar zenith angle for nadir view

index

int32

{time}

zero-based index of the sample within the source product

Mapping description

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

field name

mapping description

datetime

path

/time[]

latitude

path

/latitude[]

longitude

path

/longitude[]

latitude_bounds

path

/pixel_corner_latitude1[], /pixel_corner_latitude2[], /pixel_corner_latitude3[], /pixel_corner_latitude4[]

description

corner latitudes for the ground pixel of the measurement

longitude_bounds

path

/pixel_corner_longitude1[], /pixel_corner_longitude2[], /pixel_corner_longitude3[], /pixel_corner_longitude4[]

description

corner longitudes for the ground pixel of the measurement

aerosol_optical_depth

path

/AOD550[], /AOD670[], /AOD870[], /AOD1600[]

aerosol_optical_depth_uncertainty

path

/AOD550_uncertainty[], /AOD670_uncertainty[], /AOD870_uncertainty[], /AOD1600_uncertainty[]

description

depending on how the data is processed, uncertainty data is not always available for all wavelengths. If the data is not available, NaN values are used.

wavelength

description

fixed values

sensor_zenith_angle

available

optional

path

/satellite_zenith_at_center[]

solar_zenith_angle

available

optional

path

/sun_zenith_at_center[]