ECA_MSI_AOT_2A
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of ECA_MSI_AOT_2A data.
| field name | type | dimensions | unit | description | 
|---|---|---|---|---|
| datetime | double | {time} | [seconds since 2000-01-01] | UTC time | 
| latitude | double | {time} | [degree_north] | Geodetic latitude | 
| longitude | double | {time} | [degree_east] | Geodetic longitude | 
| latitude_bounds | double | {time, 4} | [degree_north] | latitudes of the ground pixel corners (WGS84) | 
| longitude_bounds | double | {time, 4} | [degree_east] | longitudes of the ground pixel corners (WGS84) | 
| orbit_index | int32 | absolute orbit number | ||
| aorosol_optical_depth | float | {time} | [] | aorosol optical thickness | 
| aorosol_optical_depth_uncertainty | float | {time} | [] | aorosol optical thickness error | 
| angstrom_exponent | float | {time} | [] | angstrom parameter | 
| surface_reflectance | float | {time} | [] | surface reflectance | 
| surface_reflectance_uncertainty | float | {time} | [] | surface reflectance error | 
| validity | int8 | {time} | quality status | |
| index | int32 | {time} | zero-based index of the sample within the source product | 
Ingestion options
The table below lists the available ingestion options for ECA_MSI_AOT_2A products.
| option name | legal values | description | 
|---|---|---|
| angstrom | 670/865 | wavelength combination for which the angstrom exponent is extracted: 355/670 (default), or 670/865 (angstrom=670/865) | 
| aot | 865 | wavelength for which to ingest the aerosol optical thickness: 670nm (default) or 865nm (aot=865) | 
Mapping description
The table below details where and how each variable was retrieved from the input product.
| field name | mapping description | |
|---|---|---|
| datetime | path | /ScienceData/time | 
| description | time is replicated in the across track dimension | |
| latitude | path | /ScienceData/latitude | 
| longitude | path | /ScienceData/longitude | 
| latitude_bounds | description | interpolated from the center coordinates for each of the ground pixels | 
| longitude_bounds | description | interpolated from the center coordinates for each of the ground pixels | 
| orbit_index | path | /HeaderData/VariableProductHeader/MainProductHeader/orbitNumber | 
| aorosol_optical_depth | condition | aot unset | 
| path | /ScienceData/aerosol_optical_thickness_670nm | |
| condition | aot=865 | |
| path | /ScienceData/aerosol_optical_thickness_865nm | |
| aorosol_optical_depth_uncertainty | condition | aot unset | 
| path | /ScienceData/aerosol_optical_thickness_670nm_error | |
| condition | aot=865 | |
| path | /ScienceData/aerosol_optical_thickness_865nm_error | |
| angstrom_exponent | condition | angstrom unset | 
| path | /ScienceData/angstrom_parameter_355nm_670nm | |
| condition | angstrom=670/865 | |
| path | /ScienceData/angstrom_parameter_670nm_865nm | |
| surface_reflectance | available | optional | 
| condition | aot unset | |
| path | /ScienceData/surface_reflectance_670nm | |
| surface_reflectance_uncertainty | available | optional | 
| condition | aot unset | |
| path | /ScienceData/surface_reflectance_670nm_error | |
| validity | path | /ScienceData/quality_status |