EARLINET
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of EARLINET data.
| field name | type | dimensions | unit | description | 
|---|---|---|---|---|
| datetime_start | double | {time} | [seconds since 1970-01-01] | start time of measurement | 
| datetime_stop | double | {time} | [seconds since 1970-01-01] | stop time of measurement | 
| latitude | float | [degrees] | latitude | |
| longitude | float | [degrees] | longitude | |
| sensor_altitude | float | [m] | sensor altitude | |
| viewing_zenith_angle | float | [degrees] | viewing zenith angle | |
| wavelength | float | {spectral} | [nm] | wavelength | 
| altitude | double | {vertical} | [m] | altitude | 
| backscatter_coefficient | double | {time, spectral, vertical} | [1/(m*sr)] | backscatter coefficient | 
| backscatter_coefficient_uncertainty | double | {time, spectral, vertical} | [1/(m*sr)] | backscatter coefficient uncertainty | 
| extinction_coefficient | double | {time, spectral, vertical} | [1/m] | extinction coefficient | 
| extinction_coefficient_uncertainty | double | {time, spectral, vertical} | [1/m] | extinction coefficient 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_start | path | /time_bounds[:,0] | 
| datetime_stop | path | /time_bounds[:,1] | 
| latitude | path | /latitude | 
| longitude | path | /longitude | 
| sensor_altitude | path | /station_altitude | 
| viewing_zenith_angle | path | /zenith_angle | 
| wavelength | path | /wavelength | 
| altitude | path | /altitude | 
| backscatter_coefficient | available | optional | 
| path | /backscatter | |
| backscatter_coefficient_uncertainty | available | optional | 
| path | /error_backscatter | |
| extinction_coefficient | available | optional | 
| path | /extinction | |
| extinction_coefficient_uncertainty | available | optional | 
| path | /error_extinction | |