S5P_L2_CO

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of S5P_L2_CO data.

field name type dimensions unit description
scan_subindex int16 {time}   pixel index (0-based) within the scanline
datetime_start double {time} [seconds since 2010-01-01] start time of the measurement
datetime_length double   [s] duration of the measurement
orbit_index int32     absolute orbit number
validity int32 {time}   processing quality flag
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 geodetic sub-satellite point (WGS84)
sensor_longitude float {time} [degree_east] longitude of the goedetic sub-satellite point (WGS84)
sensor_altitude float {time} [m] altitude of the satellite with respect to the geodetic sub-satellite point (WGS84)
solar_zenith_angle float {time} [degree] zenith angle of the Sun at the ground pixel location (WGS84); angle measured away from the vertical
solar_azimuth_angle float {time} [degree] azimuth angle of the Sun at the ground pixel location (WGS84); angle measured East-of-North
sensor_zenith_angle float {time} [degree] zenith angle of the satellite at the ground pixel location (WGS84); angle measured away from the vertical
sensor_azimuth_angle float {time} [degree] azimuth angle of the satellite at the ground pixel location (WGS84); angle measured East-of-North
altitude float {time, vertical} [m] altitude grid on which the radiative transfer calculations are done
pressure_bounds float {time, vertical, 2} [Pa] pressure boundaries of the layers of the vertical grid
surface_altitude float {time} [m] surface altitude
surface_altitude_uncertainty float {time} [m] surface altitude precision
surface_meridional_wind_velocity float {time} [m/s] northward wind
surface_zonal_wind_velocity float {time} [m/s] eastward wind
surface_pressure float {time} [Pa] surface pressure
CO_column_number_density float {time} [mol/m^2] vertically integrated CO column density
CO_column_number_density_uncertainty float {time} [mol/m^2] uncertainty of the vertically integrated CO column density (standard error)
CO_column_number_density_validity int8 {time}   continuous quality descriptor, varying between 0 (no data) and 100 (full quality data)
CO_number_density_avk float {time, vertical} [m] averaging kernel for the vertically integrated CO column density (for number density profiles)
CO_column_number_density_avk float {time, vertical} [] averaging kernel for the vertically integrated CO column density (for partial column number density profiles)
H2O_column_number_density float {time} [mol/m^2] H2O total column density
H2O_column_number_density_uncertainty float {time} [mol/m^2] uncertainty of the H2O column density (standard error)
cloud_height float {time} [m] Scattering layer height
cloud_optical_depth float {time} [] Scattering optical thickness SWIR
index int32 {time}   zero-based index of the sample within the source product

Ingestion options

The table below lists the available ingestion options for S5P_L2_CO products.

option name legal values description
co_avk number_density whether to ingest the partial column number density column avk (default) for CO or the number density column avk (avk=number_density)

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 pixel dimensions are collapsed into a temporal dimension; the index of the pixel within the scanline is computed as the index on the temporal dimension modulo the number of scanlines
datetime_start path /PRODUCT/time, /PRODUCT/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
datetime_length path /@time_coverage_resolution
description the measurement length is parsed assuming the ISO 8601 ‘PT%(interval_seconds)fS’ format
orbit_index path /@orbit
validity path /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/processing_quality_flags[]
description the uint32 data is cast to int32
latitude path /PRODUCT/latitude[]
longitude path /PRODUCT/longitude[]
latitude_bounds path /PRODUCT/SUPPORT_DATA/GEOLOCATIONS/latitude_bounds[]
longitude_bounds path /PRODUCT/SUPPORT_DATA/GEOLOCATIONS/longitude_bounds[]
sensor_latitude path /PRODUCT/SUPPORT_DATA/GEOLOCATIONS/satellite_latitude[]
description the satellite latitude associated with a scanline is repeated for each pixel in the scanline
sensor_longitude path /PRODUCT/SUPPORT_DATA/GEOLOCATIONS/satellite_longitude[]
description the satellite longitude associated with a scanline is repeated for each pixel in the scanline
sensor_altitude path /PRODUCT/SUPPORT_DATA/GEOLOCATIONS/satellite_altitude[]
description the satellite altitude associated with a scanline is repeated for each pixel in the scanline
solar_zenith_angle path /PRODUCT/SUPPORT_DATA/GEOLOCATIONS/solar_zenith_angle[]
solar_azimuth_angle path /PRODUCT/SUPPORT_DATA/GEOLOCATIONS/solar_azimuth_angle[]
sensor_zenith_angle path /PRODUCT/SUPPORT_DATA/GEOLOCATIONS/viewing_zenith_angle[]
sensor_azimuth_angle path /PRODUCT/SUPPORT_DATA/GEOLOCATIONS/viewing_azimuth_angle[]
altitude path /PRODUCT/layer[], /PRODUCT/SUPPORT_DATA/INPUT_DATA/surface_altitude[]
description the vertical grid is inverted to make it ascending; height is converted to altitude by adding surface_altitude
pressure_bounds path /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/pressure_levels[]
description the vertical grid is inverted to make it ascending; the lower boundary of each layer is then taken from pressure_levels; the upper boundary is the lower boundary of the layer above or 1e-3 Pa for the upper most layer
surface_altitude path /PRODUCT/SUPPORT_DATA/INPUT_DATA/surface_altitude[]
surface_altitude_uncertainty path /PRODUCT/SUPPORT_DATA/INPUT_DATA/surface_altitude_precision[]
surface_meridional_wind_velocity available optional
condition processor version >= 01.03.00
path /PRODUCT/SUPPORT_DATA/INPUT_DATA/northward_wind[]
surface_zonal_wind_velocity available optional
condition processor version >= 01.03.00
path /PRODUCT/SUPPORT_DATA/INPUT_DATA/eastward_wind[]
surface_pressure path /PRODUCT/SUPPORT_DATA/INPUT_DATA/pressure_levels[]
description the surface pressure is the pressure at the lowest pressure level
CO_column_number_density path /PRODUCT/carbonmonoxide_total_column[]
CO_column_number_density_uncertainty path /PRODUCT/carbonmonoxide_total_column_precision[]
CO_column_number_density_validity path /PRODUCT/qa_value
CO_number_density_avk available optional
condition avk=number_density
path /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/column_averaging_kernel[]
description the vertical grid is inverted to make it ascending
CO_column_number_density_avk available optional
condition avk unset
path /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/column_averaging_kernel[]
description the vertical grid is inverted to make it ascending and each element is divided by 1000 [m] so the column avk can be applied to partial column number density profiles instead of number density profiles
H2O_column_number_density path /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/water_total_column[]
H2O_column_number_density_uncertainty path /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/water_total_column_precision[]
cloud_height path /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/height_scattering_layer[]
cloud_optical_depth path /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/scattering_optical_thickness_SWIR[]