ESACCI_GHG_L2_GOSAT

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of ESACCI_GHG_L2_GOSAT data.

field name	type	dimensions	unit	description
datetime	double	{time}	[seconds since 2000-01-01]	time of the measurement
surface_altitude	double	{time}	[m]	average surface altitude w.r.t. geoid
latitude	double	{time}	[degree_north]	latitude of the ground pixel center
longitude	double	{time}	[degree_east]	longitude of the ground pixel center
sensor_zenith_angle	double	{time}	[degree]	sensor zenith angle
solar_zenith_angle	double	{time}	[degree]	solar zenith angle
CH4_column_volume_mixing_ratio	double	{time}	[ppbv]	CH4 column volume mixing ratio
CH4_column_volume_mixing_ratio_uncertainty	double	{time}	[ppbv]	CH4 column volume mixing ratio uncertainty
CO2_column_volume_mixing_ratio	double	{time}	[ppmv]	CO2 column volume mixing ratio
CO2_column_volume_mixing_ratio_uncertainty	double	{time}	[ppmv]	CO2 column volume mixing ratio uncertainty
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[]
surface_altitude	condition	data processed by OCFP or OCPR algorithm
	path	surface_altitude[]
	condition	data processed by SRPR or SRFP algorithm
	path	altitude[]
latitude	path	latitude[]
longitude	path	longitude[]
sensor_zenith_angle	path	sensor_zenith_angle[]
solar_zenith_angle	path	solar_zenith_angle[]
CH4_column_volume_mixing_ratio	available	optional
	path	xch4[]
CH4_column_volume_mixing_ratio_uncertainty	available	optional
	path	xch4_uncertainty[]
CO2_column_volume_mixing_ratio	available	optional
	path	xco2[]
CO2_column_volume_mixing_ratio_uncertainty	available	optional
	path	xco2_uncertainty[]