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 | double | {time} | [seconds since 2000-01-01] | time of measurement |
| datetime_length | double | {time} | [s] | length of the measurement |
| latitude | double | [degrees] | latitude | |
| longitude | double | [degrees] | longitude | |
| sensor_altitude | double | [m] | sensor altitude | |
| viewing_zenith_angle | double | [degrees] | viewing zenith angle | |
| wavelength | double | [nm] | wavelength | |
| altitude | double | {vertical} | [m] | altitude |
| dust_aerosol_top_height | double | {time} | [m] | dust layer top height |
| backscatter_coefficient | double | {time, vertical} | [1/(m*sr)] | backscatter coefficient |
| backscatter_coefficient_uncertainty | double | {time, vertical} | [1/(m*sr)] | backscatter coefficient uncertainty |
| extinction_coefficient | double | {time, vertical} | [1/m] | extinction coefficient |
| extinction_coefficient_uncertainty | double | {time, vertical} | [1/m] | extinction coefficient uncertainty |
| H2O_mass_mixing_ratio | double | {time, vertical} | [g/kg] | water mass mixing ratio |
| H2O_mass_mixing_ratio_uncertainty | double | {time, vertical} | [g/kg] | water mass 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 | condition | variable ‘Time’ available |
| path | /Time | |
| description | converted from seconds sinds 1970 to seconds since 2000 | |
| condition | variable ‘Time’ unavailable | |
| path | /@StartDate, /@StartTime_UT, /@StopTime_UT | |
| description | convert yymmdd encoded integer value for StartDate to seconds since 2000; convert hhmmss encoded integer values for StartTime_UT and StopTime_UT to time-of-day values; use: date + (start_time + stop_time) / 2 | |
| datetime_length | available | optional |
| condition | variable ‘Time’ unavailable | |
| path | /@StartTime_UT, /@StopTime_UT | |
| description | convert ‘hhmmss’ encoded integer values for StartTime_UT and StopTime_UT to time-of-day values; use: stop_time - start_time | |
| latitude | path | /@Latitude_degrees_north |
| longitude | path | /@Longitude_degrees_east |
| sensor_altitude | path | /@Altitude_meter_asl |
| viewing_zenith_angle | path | /@ZenithAngle_degrees |
| wavelength | path | /@DetectionWavelength_nm |
| altitude | path | /Altitude |
| dust_aerosol_top_height | available | optional |
| path | /DustLayerHeight | |
| backscatter_coefficient | path | /Backscatter |
| backscatter_coefficient_uncertainty | path | /ErrorBackscatter |
| extinction_coefficient | available | optional |
| path | /Extinction | |
| extinction_coefficient_uncertainty | available | optional |
| path | /ErrorExtinction | |
| H2O_mass_mixing_ratio | available | optional |
| path | /WaterVaporMixingRatio | |
| H2O_mass_mixing_ratio_uncertainty | available | optional |
| path | /ErrorWaterVapor | |