CALIPSO_L2_CAL_LID_ALay
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of CALIPSO_L2_CAL_LID_ALay data.
| field name | type | dimensions | unit | description | 
|---|---|---|---|---|
| datetime_start | double | {time} | [seconds since 2000-01-01] | time at the start of the measurement | 
| datetime | double | {time} | [seconds since 2000-01-01] | time during midpoint of the measurement | 
| datetime_stop | double | {time} | [seconds since 2000-01-01] | time at the end of the measurement | 
| latitude | double | {time} | [degree_north] | latitude of the ground pixel center | 
| longitude | double | {time} | [degree_east] | longitude of the ground pixel center | 
| tropopause_altitude | double | {time} | [km] | tropopause altitude | 
| solar_zenith_angle | double | {time} | [degree] | solar zenith angle | 
| solar_azimuth_angle | double | {time} | [degree] | solar azimuth angle | 
| viewing_elevation_angle | double | {time} | [degree] | viewing elevation angle | 
| scattering_angle | double | {time} | [degree] | scattering angle | 
| altitude | double | {time, vertical} | [km] | altitude of the middle of the layer | 
| altitude_bounds | double | {time, vertical, 2} | [km] | altitudes at the base and the top of the layer | 
| pressure | double | {time, vertical} | [hPa] | pressure at the middle of the layer | 
| pressure_bounds | double | {time, vertical, 2} | [hPa] | pressures at the base and the top of the layer | 
| temperature | double | {time, vertical} | [K] | temperature at the middle of the layer | 
| tropospheric_aerosol_optical_depth | double | {time} | [] | tropospheric aerosol optical depth | 
| tropospheric_aerosol_optical_depth_uncertainty | double | {time} | [] | tropospheric aerosol optical depth uncertainty | 
| stratospheric_aerosol_optical_depth | double | {time} | [] | stratospheric aerosol optical depth | 
| stratospheric_aerosol_optical_depth_uncertainty | double | {time} | [] | stratospheric aerosol optical depth uncertainty | 
| cloud_optical_depth | double | {time} | [] | cloud optical depth | 
| cloud_optical_depth_uncertainty | double | {time} | [] | cloud optical depth uncertainty | 
| index | int32 | {time} | zero-based index of the sample within the source product | 
Ingestion options
The table below lists the available ingestion options for CALIPSO_L2_CAL_LID_ALay products.
| option name | legal values | description | 
|---|---|---|
| wavelength | 532, 1064 | the wavelength whose measurements are ingested; option values are ‘532’ (default), ‘1064’ | 
Mapping description
The table below details where and how each variable was retrieved from the input product.
| field name | mapping description | |
|---|---|---|
| datetime_start | path | /Profile_Time[,0] | 
| description | time at the start of the measurement | |
| datetime | path | /Profile_Time[,N/2] | 
| datetime_stop | path | /Profile_Time[,N-1] | 
| description | time at the end of the measurement | |
| latitude | path | /Latitude[,N/2] | 
| longitude | path | /Longitude[,N/2] | 
| tropopause_altitude | path | /Tropopause_Height[] | 
| solar_zenith_angle | path | /Solar_Zenith_Angle[] | 
| solar_azimuth_angle | path | /Solar_Azimuth_Angle[] | 
| viewing_elevation_angle | path | /Off_Nadir_Angle[] | 
| scattering_angle | path | /Scattering_Angle[] | 
| altitude | path | /Layer_Base_Altitude[,], /Layer_Top_Altitude[,] | 
| description | The altitude is calculated as the mid-point between the base and top altitudes of the layer | |
| altitude_bounds | path | /Layer_Base_Altitude[,], /Layer_Top_Altitude[,] | 
| pressure | path | /Midlayer_Pressure[,] | 
| description | pressure at the middle of the layer | |
| pressure_bounds | path | /Layer_Base_Pressure[,], /Layer_Top_Pressure[,] | 
| temperature | path | /Midlayer_Temperature[,] | 
| description | temperature at the middle of the layer | |
| tropospheric_aerosol_optical_depth | condition | wavelength=532 or wavelength unset | 
| path | /Column_Optical_Depth_Tropospheric_Aerosols_532[] | |
| condition | wavelength=1064 | |
| path | /Column_Optical_Depth_Tropospheric_Aerosols_1064[] | |
| tropospheric_aerosol_optical_depth_uncertainty | condition | wavelength=532 or wavelength unset | 
| path | /Column_Optical_Depth_Tropospheric_Aerosols_Uncertainty_532[] | |
| condition | wavelength=1064 | |
| path | /Column_Optical_Depth_Tropospheric_Aerosols_Uncertainty_1064[] | |
| stratospheric_aerosol_optical_depth | condition | wavelength=532 or wavelength unset | 
| path | /Column_Optical_Depth_Stratospheric_Aerosols_532[] | |
| condition | wavelength=1064 | |
| path | /Column_Optical_Depth_Stratospheric_Aerosols_1064[] | |
| stratospheric_aerosol_optical_depth_uncertainty | condition | wavelength=532 or wavelength unset | 
| path | /Column_Optical_Depth_Stratospheric_Aerosols_Uncertainty_532[] | |
| condition | wavelength=1064 | |
| path | /Column_Optical_Depth_Stratospheric_Aerosols_Uncertainty_1064[] | |
| cloud_optical_depth | path | /Column_Optical_Depth_Cloud_532[] | 
| cloud_optical_depth_uncertainty | path | /Column_Optical_Depth_Cloud_Uncertainty_532[] |