OMI_L2_OMDOMINO
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of OMI_L2_OMDOMINO data.
| field name | type | dimensions | unit | description |
|---|---|---|---|---|
| index | int32 | {time} | zero-based index of the sample within the source product | |
| datetime | double | {time} | seconds since 2000-01-01 | time of the measurement |
| longitude | double | {time} | degree_east | longitude of the ground pixel center |
| latitude | double | {time} | degree_north | latitude of the ground pixel center |
| longitude_bounds | double | {time, 4} | degree_east | longitudes of the ground pixel corners |
| latitude_bounds | double | {time, 4} | degree_north | latitudes of the ground pixel corners |
| solar_zenith_angle | double | {time} | degree | solar zenith angle at WGS84 ellipsoid for center co-ordinate of the ground pixel |
| solar_azimuth_angle | double | {time} | degree | solar azimuth angle at WGS84 ellipsoid for center co-ordinate of the ground pixel, defined East-of-North |
| viewing_zenith_angle | double | {time} | degree | viewing zenith angle at WGS84 ellipsoid for center co-ordinate of the ground pixel |
| viewing_azimuth_angle | double | {time} | degree | viewing azimuth angle at WGS84 ellipsoid for center co-ordinate of the ground pixel, defined East-of-North |
| NO2_column_number_density | double | {time} | molec/cm^2 | NO2 vertical column density |
| NO2_column_number_density_stdev | double | {time} | molec/cm^2 | uncertainty of the NO2 vertical column density |
| tropospheric_NO2_column_number_density | double | {time} | molec/cm^2 | NO2 tropospheric column density |
| tropospheric_NO2_column_number_density_stdev | double | {time} | molec/cm^2 | uncertainty of the NO2 tropospheric column density |
| tropospheric_NO2_column_number_density_validity | int8 | {time} | flags describing the NO2 tropospheric column processing quality | |
| cloud_fraction | double | {time} | 1 | effective cloud fraction |
| cloud_fraction_stdev | double | {time} | 1 | uncertainty of the effective cloud fraction |
| cloud_pressure | double | {time} | hPa | effective cloud pressure |
| cloud_pressure_stdev | double | {time} | hPa | uncertainty of the effective cloud pressure |
Mapping description
The table below details where and how each variable was retrieved from the input product.
| field name | mapping description | |
|---|---|---|
| datetime | path | /HDFEOS/SWATHS/DominoNO2/Geolocation_Fields/Time[] |
| description | the time of the measurement converted from TAI93 to seconds since 2000-01-01T00:00:00 | |
| longitude | path | /HDFEOS/SWATHS/DominoNO2/Geolocation_Fields/Longitude[] |
| latitude | path | /HDFEOS/SWATHS/DominoNO2/Geolocation_Fields/Latitude[] |
| longitude_bounds | path | /HDFEOS/SWATHS/DominoNO2/Geolocation_Fields/LongitudeCornerpoints[] |
| latitude_bounds | path | /HDFEOS/SWATHS/DominoNO2/Geolocation_Fields/LatitudeCornerpoints[] |
| solar_zenith_angle | path | /HDFEOS/SWATHS/DominoNO2/Geolocation_Fields/SolarZenithAngle[] |
| solar_azimuth_angle | path | /HDFEOS/SWATHS/DominoNO2/Geolocation_Fields/SolarAzimuthAngle[] |
| viewing_zenith_angle | path | /HDFEOS/SWATHS/DominoNO2/Geolocation_Fields/ViewingZenithAngle[] |
| viewing_azimuth_angle | path | /HDFEOS/SWATHS/DominoNO2/Geolocation_Fields/ViewingAzimuthAngle[] |
| NO2_column_number_density | path | /HDFEOS/SWATHS/DominoNO2/Data_Fields/TotalVerticalColumn[] |
| NO2_column_number_density_stdev | path | /HDFEOS/SWATHS/DominoNO2/Data_Fields/TotalVerticalColumnError[] |
| tropospheric_NO2_column_number_density | path | /HDFEOS/SWATHS/DominoNO2/Data_Fields/TroposphericVerticalColumn[] |
| tropospheric_NO2_column_number_density_stdev | path | /HDFEOS/SWATHS/DominoNO2/Data_Fields/TroposphericVerticalColumnError[] |
| tropospheric_NO2_column_number_density_validity | path | /HDFEOS/SWATHS/DominoNO2/Data_Fields/TroposphericColumnFlag[] |
| cloud_fraction | path | /HDFEOS/SWATHS/DominoNO2/Data_Fields/CloudFraction[] |
| cloud_fraction_stdev | path | /HDFEOS/SWATHS/DominoNO2/Data_Fields/CloudFractionStd[] |
| cloud_pressure | path | /HDFEOS/SWATHS/DominoNO2/Data_Fields/CloudPressure[] |
| cloud_pressure_stdev | path | /HDFEOS/SWATHS/DominoNO2/Data_Fields/CloudPressureStd[] |