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[]