OMI_L3_OMDOAO3e
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of OMI_L3_OMDOAO3e 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 | {longitude} | degree_east | longitude of the grid cell mid-point (WGS84) |
| latitude | double | {latitude} | degree_north | Latitude of the grid cell mid-point (WGS84) |
| cloud_fraction | double | {time, latitude, longitude} | 1 | Cloud fraction |
| cloud_fraction_stdev | double | {time, latitude, longitude} | 1 | Uncertainty of the cloud fraction |
| cloud_pressure | double | {time, latitude, longitude} | hPa | Cloud pressure |
| cloud_pressure_stdev | double | {time, latitude, longitude} | hPa | Uncertainty of the cloud pressure |
| O3_column_number_density | double | {time, latitude, longitude} | DU | O3 column number density |
| O3_column_number_density_stdev | double | {time, latitude, longitude} | DU | Uncertainty of the O3 column number density |
Mapping description
The table below details where and how each variable was retrieved from the input product.
| field name | mapping description | |
|---|---|---|
| datetime | path | /HDFEOS/ADDITIONAL/FILE_ATTRIBUTES@TAI93At0zOfGranule |
| description | The time of the measurement converted from TAI93 to seconds since 2000-01-01T00:00:00 | |
| longitude | path | /HDFEOS/GRIDS/ColumnAmountO3@GridSpacing, /HDFEOS/GRIDS/ColumnAmountO3@NumberOfLongitudesInGrid |
| description | A uniformly increasing sequence on the interval (-180, 180) | |
| latitude | path | /HDFEOS/GRIDS/ColumnAmountO3@GridSpacing, /HDFEOS/GRIDS/ColumnAmountO3@NumberOfLatitudesInGrid |
| description | A uniformly increasing sequence on the interval (-90, 90) | |
| cloud_fraction | path | /HDFEOS/GRIDS/ColumnAmountO3/Data_Fields/CloudFraction[] |
| cloud_fraction_stdev | path | /HDFEOS/GRIDS/ColumnAmountO3/Data_Fields/CloudFractionPrecision[] |
| cloud_pressure | path | /HDFEOS/GRIDS/ColumnAmountO3/Data_Fields/CloudPressure[] |
| cloud_pressure_stdev | path | /HDFEOS/GRIDS/ColumnAmountO3/Data_Fields/CloudPressurePrecision[] |
| O3_column_number_density | path | /HDFEOS/GRIDS/ColumnAmountO3/Data_Fields/ColumnAmountO3[] |
| O3_column_number_density_stdev | path | /HDFEOS/GRIDS/ColumnAmountO3/Data_Fields/ColumnAmountO3Precision[] |