ESACCI_GHG_L2_SCIAMACHY
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of ESACCI_GHG_L2_SCIAMACHY data.
| field name | type | dimensions | unit | description |
|---|---|---|---|---|
| datetime | double | {time} | [seconds since 2000-01-01] | time of the measurement |
| surface_altitude | double | {time} | [m] | average surface altitude w.r.t. geoid |
| latitude | double | {time} | [degree_north] | latitude of the ground pixel center |
| longitude | double | {time} | [degree_east] | longitude of the ground pixel center |
| latitude_bounds | double | {time, 4} | [degree_north] | corner latitudes for the ground pixel of the measurement |
| longitude_bounds | double | {time, 4} | [degree_east] | corner longitudes for the ground pixel of the measurement |
| sensor_zenith_angle | double | {time} | [degree] | sensor zenith angle |
| solar_zenith_angle | double | {time} | [degree] | solar zenith angle |
| CH4_column_volume_mixing_ratio | double | {time} | [ppmv] | CH4 column volume mixing ratio |
| CH4_column_volume_mixing_ratio_uncertainty | double | {time} | [ppmv] | CH4 column volume mixing ratio uncertainty |
| CO2_column_volume_mixing_ratio | double | {time} | [ppmv] | CO2 column volume mixing ratio |
| CO2_column_volume_mixing_ratio_uncertainty | double | {time} | [ppmv] | CO2 column volume mixing ratio uncertainty |
| 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 | |
|---|---|---|
| datetime | path | time[] |
| surface_altitude | available | optional |
| path | altitude[] | |
| latitude | path | latitude[] |
| longitude | path | longitude[] |
| latitude_bounds | available | optional |
| path | latitude_corners[] | |
| description | The corners ABCD are reordered as BDCA. | |
| longitude_bounds | available | optional |
| path | longitude_corners[] | |
| description | The corners ABCD are reordered as BDCA. | |
| sensor_zenith_angle | path | sensor_zenith_angle[] |
| solar_zenith_angle | path | solar_zenith_angle[] |
| CH4_column_volume_mixing_ratio | available | optional |
| path | xch4[] | |
| CH4_column_volume_mixing_ratio_uncertainty | available | optional |
| path | xch4_uncertainty[] | |
| CO2_column_volume_mixing_ratio | available | optional |
| path | xco2[] | |
| CO2_column_volume_mixing_ratio_uncertainty | available | optional |
| path | xco2_uncertainty[] | |