ESACCI_OZONE_L4_NP

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of ESACCI_OZONE_L4_NP data.

field name	type	dimensions	unit	description
datetime	double	{time}	[seconds since 2000-01-01]	time of the measurement
longitude	float	{longitude}	[degree_east]	longitude of the grid cell center
latitude	float	{latitude}	[degree_north]	latitude of the grid cell center
geopotential_height	float	{time, latitude, longitude, vertical}	[m]	geopotential height
temperature	float	{time, latitude, longitude, vertical}	[K]	temperature
pressure	float	{time, latitude, longitude, vertical}	[Pa]	air pressure profile
pressure_bounds	float	{time, latitude, longitude, vertical, 2}	[Pa]	air pressure boundaries for each profile layer
O3_column_number_density	float	{time, latitude, longitude, vertical}	[molec/m^2]	O3 column number density
O3_column_number_density_uncertainty	float	{time, latitude, longitude, vertical}	[molec/m^2]	uncertainty of the O3 column number density
O3_volume_mixing_ratio	float	{time, latitude, longitude, vertical}	[]	O3 volume mixing ratio
O3_volume_mixing_ratio_uncertainty	float	{time, latitude, longitude, vertical}	[]	uncertainty of the O3 volume mixing ratio
index	int32	{time}		zero-based index of the sample within the source product

Mapping description

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

field name	mapping description
datetime	path	/@time_coverage_start, /time[]
	description	datetime converted from time in hours (time[]) since the start of the product (@time_coverage_start) to seconds since 2000-01-01
longitude	path	/lon[]
latitude	path	/lat[]
geopotential_height	path	/Gph[]
temperature	path	/Temperature[]
pressure	path	/Psurf[], /Hybride_coef_fa[], /Hybride_coef_fb[]
	description	pressure at the center of layer k is derived from surface air pressure as: Hybride_coef_fa[k] + Hybride_coef_fb[k] * Psurf[]
pressure_bounds	path	/Psurf[], /Hybride_coef_a[], /Hybride_coef_b[]
	description	pressure at level m is derived from surface air pressure as: Hybride_coef_a[m] + Hybride_coef_b[m] * Psurf[]
O3_column_number_density	path	/O3_dens[]
O3_column_number_density_uncertainty	path	/O3s_dens[]
O3_volume_mixing_ratio	path	/O3_vmr[]
O3_volume_mixing_ratio_uncertainty	path	/O3s_vmr[]