ESACCI_OZONE_L3_LP_MMZM

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of ESACCI_OZONE_L3_LP_MMZM data.

field name	type	dimensions	unit	description
datetime	double	{time}	[seconds since 2000-01-01]	time of the measurement
longitude	double	{latitude}	[degree_east]	longitude of the bin center
latitude	double	{latitude}	[degree_north]	latitude of the bin center
altitude	double	{vertical}	[km]	approximate altitude at pressure levels computed as 16 * log10(1013 / pressure), with pressure in hPa
pressure	double	{vertical}	[hPa]	pressure
O3_volume_mixing_ratio	double	{time, latitude, vertical}	[]	merged monthly zonal mean ozone mixing ratio vertical profiles
O3_volume_mixing_ratio_uncertainty	double	{time, latitude, vertical}	[]	uncertainty of the merged monthly zonal mean ozone mixing ratio vertical profiles
O3_number_density	double	{time, latitude, vertical}	[mol/cm^3]	merged monthly zonal mean ozone mole concentration vertical profiles
O3_number_density_uncertainty	double	{time, latitude, vertical}	[mol/cm^3]	uncertainty of the merged monthly zonal mean ozone mole concentration vertical profiles
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	/@year, /@month
datetime	description	year and month are taken from the global attributes of the product; the start of the first day of the month is used as the time of the measurement
longitude	path	/longitude_centers[]
latitude	path	/latitude_centers[]
altitude	path	/approximate_altitude[]
pressure	path	/air_pressure[]
O3_volume_mixing_ratio	path	/merged_ozone_vmr[]
O3_volume_mixing_ratio_uncertainty	path	/merged_ozone_vmr[], /uncertainty_of_merged_ozone[]
O3_volume_mixing_ratio_uncertainty	description	derived from the relative uncertainty in percent as: uncertainty_of_merged_ozone[] * 0.01 * merged_ozone_vmr[]
O3_number_density	path	/merged_ozone_concentration[]
O3_number_density_uncertainty	path	/merged_ozone_concentration[], /uncertainty_of_merged_ozone[]
O3_number_density_uncertainty	description	derived from the relative uncertainty in percent as: uncertainty_of_merged_ozone[] * 0.01 * merged_ozone_concentration[]