ESACCI_AEROSOL_L2_IASI

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of ESACCI_AEROSOL_L2_IASI data.

field name	type	dimensions	unit	description
datetime	double	{time}	[seconds since 2000-01-01]	time 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
dust_aerosol_optical_depth	double	{time, spectral}	[]	dust aerosol optical depth
dust_aerosol_optical_depth_uncertainty	double	{time, spectral}	[]	uncertainty of the dust aerosol optical depth
wavelength	double	{time, spectral}	[nm]	wavelengths of the measurements
sensor_zenith_angle	double	{time}	[degree]	sensor zenith angle
index	int32	{time}		zero-based index of the sample within the source product

The table below details where and how each variable was retrieved from the input product.

field name	mapping description
datetime	path	/time[]
latitude	path	/latitude[]
longitude	path	/longitude[]
dust_aerosol_optical_depth	condition	data processed by DLR or ULB
	path	/D_AOD550[], /D_AOD10000[], /D_AOD11000[]
	condition	data processed by LMD
	path	/Daod550[], /Daod10000[], /Daod11000[]
dust_aerosol_optical_depth_uncertainty	condition	data processed by DLR
	path	/D_AOD11000_uncertainty[]
	description	depending on how the data is processed, uncertainty data is not always available for all wavelengths. If the data is not available, NaN values are used.
	condition	data processed by LMD
	path	/Daod10000_uncertainty[]
	description	depending on how the data is processed, uncertainty data is not always available for all wavelengths. If the data is not available, NaN values are used.
	condition	data processed by DLR
	path	/D_AOD10000_uncertainty[]
	description	depending on how the data is processed, uncertainty data is not always available for all wavelengths. If the data is not available, NaN values are used.
wavelength	description	fixed values
sensor_zenith_angle	condition	data processed by DLR or ULB
	path	/satellite_zenith_at_center[]
	condition	data processed by LMD
	path	/satellite_zenith[]