AEOLUS_L2A_SCA
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of AEOLUS_L2A_SCA data.
| field name | type | dimensions | unit | description |
|---|---|---|---|---|
| datetime | double | {time} | [seconds since 2000-01-01] | start time of observation |
| datetime_length | double | {time} | [s] | duration of the observation |
| orbit_index | int32 | absolute orbit number | ||
| latitude | double | {time, vertical} | [degree_north] | latitude of the bin center |
| longitude | double | {time, vertical} | [degree_east] | longitude of the bin center |
| altitude | double | {time, vertical} | [m] | altitude of the bin center |
| extinction_coefficient | double | {time, vertical} | [10^-6 m^-1] | particle extinction |
| extinction_coefficient_uncertainty | double | {time, vertical} | [m^-1] | uncertainty of the particle extinction |
| backscatter_coefficient | double | {time, vertical} | [10^-6 m^-1 sr^-1] | particle backscatter |
| backscatter_coefficient_uncertainty | double | {time, vertical} | [m^-1 sr^-1] | uncertainty of the particle backscatter |
| optical_depth | double | {time, vertical} | [] | particle local optical depth |
| optical_depth_uncertainty | double | {time, vertical} | [] | uncertainty of the particle local optical depth |
| validity | int8 | {time, vertical} | processing qc flag | |
| 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 | /sca_optical_properties[]/starttime |
| datetime_length | description | set to fixed value of 12 seconds |
| orbit_index | path | /mph/abs_orbit |
| latitude | path | /sca_optical_properties[]/geolocation_middle_bins[]/latitude |
| longitude | path | /sca_optical_properties[]/geolocation_middle_bins[]/longitude |
| altitude | path | /sca_optical_properties[]/geolocation_middle_bins[]/altitude |
| extinction_coefficient | path | /sca_optical_properties[]/sca_optical_properties[]/extinction |
| extinction_coefficient_uncertainty | path | /sca_pcd[]/profile_pcd_bins[]/extinction_variance |
| description | the square root of the variance is taken as uncertainty | |
| backscatter_coefficient | path | /sca_optical_properties[]/sca_optical_properties[]/backscatter |
| backscatter_coefficient_uncertainty | path | /sca_pcd[]/profile_pcd_bins[]/backscatter_variance |
| description | the square root of the variance is taken as uncertainty | |
| optical_depth | path | /sca_optical_properties[]/sca_optical_properties[]/lod |
| optical_depth_uncertainty | path | /sca_pcd[]/profile_pcd_bins[]/lod_variance |
| description | the square root of the variance is taken as uncertainty | |
| validity | path | /sca_pcd[]/profile_pcd_bins[]/processing_qc_flag |