GEOMS-TE-UVVIS-DOAS-DIRECTSUN-GAS-005-SO2

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of GEOMS-TE-UVVIS-DOAS-DIRECTSUN-GAS-005-SO2 data.

field name	type	dimensions	unit	description
sensor_name	string			name of the sensor
location_name	string			name of the site at which the sensor is located
datetime	double	{time}	[days since 2000-01-01]	mean time of the measurement
datetime_start	double	{time}	[days since 2000-01-01]	start time of the measurement
datetime_stop	double	{time}	[days since 2000-01-01]	stop time of the measurement
sensor_latitude	double		[degree_north]	latitude of the sensor
sensor_longitude	double		[degree_east]	longitude of the sensor
sensor_altitude	double		[m]	altitude of the sensor relative to the location site
altitude	double	{time, vertical}	[km]	effective retrieval altitude
pressure	double	{time, vertical}	[hPa]	independent pressure profile
temperature	double	{time, vertical}	[K]	independent temperature profile
altitude_bounds	double	{time, vertical, 2}	[km]	lower and upper boundaries of the height layers
solar_zenith_angle	double	{time}	[degree]	solar astronomical zenith angle
solar_azimuth_angle	double	{time}	[degree]	solar azimuth angle
viewing_azimuth_angle	double	{time}	[degree]	viewing azimuth angle of the sensor
viewing_zenith_angle	double	{time}	[degree]	viewing zenith angle of the sensor
latitude	double	{time, vertical}	[degree_north]	latitude of effective air mass at each altitude
longitude	double	{time, vertical}	[degree_east]	longitude of effective air mass at each altitude
aerosol_optical_depth	double	{time}	[]	aerosol optical depth used for the retrieval
SO2_column_number_density	double	{time}	[Pmolec cm-2]	SO2 column number density
SO2_column_number_density_uncertainty_random	double	{time}	[Pmolec cm-2]	random uncertainty of the SO2 column number density
SO2_column_number_density_uncertainty_systematic	double	{time}	[Pmolec cm-2]	systematic uncertainty of the SO2 column number density
SO2_column_number_density_apriori	double	{time, vertical}	[Pmolec cm-2]	a priori SO2 column number density
SO2_column_number_density_avk	double	{time, vertical}	[]	averaging kernel for the SO2 column number density
index	int32	{time}		zero-based index of the sample within the source product

Ingestion options

The table below lists the available ingestion options for GEOMS-TE-UVVIS-DOAS-DIRECTSUN products.

option name	legal values	description
AOD	measured	ingest the modeled (default) or measured (AOD=measured) aerosol optical depth properties

Mapping description

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

field name	mapping description
sensor_name	path	/@DATA.SOURCE
location_name	path	/@DATA.LOCATION
datetime	path	/DATETIME
datetime_start	path	/DATETIME.START
datetime_stop	path	/DATETIME.STOP
sensor_latitude	path	/LATITUDE.INSTRUMENT
sensor_longitude	path	/LONGITUDE.INSTRUMENT
sensor_altitude	path	/ALTITUDE.INSTRUMENT
altitude	path	/ALTITUDE
pressure	path	/PRESSURE_INDEPENDENT
temperature	path	/TEMPERATURE_INDEPENDENT
altitude_bounds	path	/ALTITUDE.BOUNDARIES
solar_zenith_angle	path	/ANGLE.SOLAR_ZENITH.ASTRONOMICAL
solar_azimuth_angle	path	/ANGLE.SOLAR_AZIMUTH
viewing_azimuth_angle	path	/ANGLE.VIEW_AZIMUTH
viewing_zenith_angle	path	/ANGLE.VIEW_ZENITH
latitude	available	optional
	path	/LATITUDE
longitude	available	optional
	path	/LONGITUDE
aerosol_optical_depth	available	optional
	condition	AOD=modeled or AOD unset
	path	/AEROSOL.OPTICAL.DEPTH_INDEPENDENT
	condition	AOD=measured
	path	/AEROSOL.OPTICAL.DEPTH_ABSORPTION.SOLAR
SO2_column_number_density	path	/SO2.COLUMN.ABSORPTION.SOLAR
SO2_column_number_density_uncertainty_random	path	/SO2.COLUMN.ABSORPTION.SOLAR_UNCERTAINTY.RANDOM.STANDARD
SO2_column_number_density_uncertainty_systematic	path	/SO2.COLUMN.ABSORPTION.SOLAR_UNCERTAINTY.SYSTEMATIC.STANDARD
SO2_column_number_density_apriori	path	/SO2.COLUMN.PARTIAL_ABSORPTION.SOLAR_APRIORI
SO2_column_number_density_avk	path	/SO2.COLUMN_ABSORPTION.SOLAR_AVK