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[]