S5P_L1B_RA_BD2

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of S5P_L1B_RA_BD2 data.

field name

type

dimensions

unit

description

scan_subindex

int16

{time}

zero-based index of the pixel within the scanline

datetime

double

{time}

[seconds since 2010-01-01]

time of the measurement

orbit_index

int32

absolute orbit number

latitude

float

{time}

[degree_north]

latitude of the ground pixel center (WGS84)

longitude

float

{time}

[degree_east]

longitude of the ground pixel center (WGS84)

latitude_bounds

float

{time, 4}

[degree_north]

latitudes of the ground pixel corners (WGS84)

longitude_bounds

float

{time, 4}

[degree_east]

longitudes of the ground pixel corners (WGS84)

sensor_latitude

float

{time}

[degree_north]

latitude of the sub-satellite point (WGS84)

sensor_longitude

float

{time}

[degree_east]

longitude of the sub-satellite point (WGS84)

sensor_altitude

float

{time}

[m]

altitude of the satellite (WGS84)

solar_zenith_angle

float

{time}

[degree]

zenith angle of the Sun at the ground pixel location (WGS84)

solar_azimuth_angle

float

{time}

[degree]

azimuth angle of the Sun at the ground pixel location (WGS84), measured East-of-North

sensor_zenith_angle

float

{time}

[degree]

zenith angle of the satellite at the ground pixel location (WGS84)

sensor_azimuth_angle

float

{time}

[degree]

azimuth angle of the satellite at the ground pixel location (WGS84), measured East-of-North

wavelength

float

{time, spectral}

[nm]

nominal wavelength

photon_radiance

float

{time, spectral}

[mol/(s.m^2.nm.sr)]

spectral photon radiance

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

scan_subindex

description

the scanline and ground pixel dimensions are collapsed into a single temporal dimension; the index of the pixel within the scanline is computed as the index on this temporal dimension modulo the number of scanlines

datetime

path

/BAND2_RADIANCE/STANDARD_MODE/OBSERVATIONS/time, /BAND2_RADIANCE/STANDARD_MODE/OBSERVATIONS/delta_time[]

description

time converted from milliseconds since a reference time (given as seconds since 2010-01-01) to seconds since 2010-01-01 (using 86400 seconds per day); the time associated with a scanline is repeated for each pixel in the scanline

orbit_index

path

/@orbit

latitude

path

/BAND2_RADIANCE/STANDARD_MODE/GEODATA/latitude[]

longitude

path

/BAND2_RADIANCE/STANDARD_MODE/GEODATA/longitude[]

latitude_bounds

path

/BAND2_RADIANCE/STANDARD_MODE/GEODATA/latitude_bounds[]

longitude_bounds

path

/BAND2_RADIANCE/STANDARD_MODE/GEODATA/longitude_bounds[]

sensor_latitude

path

/BAND2_RADIANCE/STANDARD_MODE/GEODATA/satellite_latitude[]

description

the satellite latitude associated with a scanline is repeated for each pixel in the scanline

sensor_longitude

path

/BAND2_RADIANCE/STANDARD_MODE/GEODATA/satellite_longitude[]

description

the satellite longitude associated with a scanline is repeated for each pixel in the scanline

sensor_altitude

path

/BAND2_RADIANCE/STANDARD_MODE/GEODATA/satellite_altitude[]

description

the satellite altitude associated with a scanline is repeated for each pixel in the scanline

solar_zenith_angle

path

/BAND2_RADIANCE/STANDARD_MODE/GEODATA/solar_zenith_angle[]

solar_azimuth_angle

path

/BAND2_RADIANCE/STANDARD_MODE/GEODATA/solar_azimuth_angle[]

sensor_zenith_angle

path

/BAND2_RADIANCE/STANDARD_MODE/GEODATA/viewing_zenith_angle[]

sensor_azimuth_angle

path

/BAND2_RADIANCE/STANDARD_MODE/GEODATA/viewing_azimuth_angle[]

wavelength

path

/BAND2_RADIANCE/STANDARD_MODE/INSTRUMENT/nominal_wavelength[]

photon_radiance

path

/BAND2_RADIANCE/STANDARD_MODE/OBSERVATIONS/radiance[]