S5P_L2_O22CLD
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of S5P_L2_O22CLD 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 | 
| cloud_fraction | float | {time} | [] | effective cloud fraction retrieved from the O2–O2 absorption | 
| cloud_fraction_uncertainty | float | {time} | [] | uncertainty of the effective cloud fraction retrieved from the O2–O2 absorption | 
| cloud_pressure | float | {time} | [Pa] | cloud pressure derived from the O2–O2 absorption at 477nm | 
| cloud_pressure_uncertainty | float | {time} | [Pa] | error of the cloud pressure derived from the O2–O2 absorption at 477nm | 
| cloud_height | float | {time} | [m] | retrieved cloud height from the O22CLD algorithm | 
| cloud_height_uncertainty | float | {time} | [m] | error of the retrieved cloud height from the O22CLD algorithm | 
| cloud_albedo | float | {time} | [] | cloud albedo parameter | 
| surface_albedo | float | {time} | [] | assumed surface albedo at 475 nm | 
| 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_NO2 products.
| option name | legal values | description | 
|---|---|---|
| data | o22cld | whether to ingest the NO2 data (default) or the O2-O2 cloud data (data=o22cld) | 
| total_column | summed, total | whether to use nitrogendioxide_total_column (which is derived from the total slant column diveded by the total amf) or nitrogendioxide_summed_total_column (which is the sum of the retrieved tropospheric and stratospheric columns); option values are ‘summed’ (default) and ‘total’ | 
| cloud_fraction | radiance | whether to ingest the cloud fraction (default) or the radiance cloud fraction (cloud_fraction=radiance) for the NO2 data | 
This definition is only applicable when: data=o22cld
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[] | 
| cloud_fraction | path | /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/O22CLD/o22cld_cloud_fraction_crb[] | 
| cloud_fraction_uncertainty | path | /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/O22CLD/o22cld_cloud_fraction_crb_precision[] | 
| cloud_pressure | path | /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/O22CLD/o22cld_cloud_pressure_crb[] | 
| cloud_pressure_uncertainty | path | /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/O22CLD/o22cld_cloud_pressure_crb_precision[] | 
| cloud_height | path | /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/O22CLD/o22cld_cloud_height_crb[] | 
| cloud_height_uncertainty | path | /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/O22CLD/o22cld_cloud_height_crb_precision[] | 
| cloud_albedo | path | /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/O22CLD/o22cld_cloud_albedo_crb[] | 
| surface_albedo | path | /PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/O22CLD/o22cld_surface_albedo[] |