GEOMS-TE-FTIR-001-HCN

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of GEOMS-TE-FTIR-001-HCN data.

field name type dimensions unit description
index int32 {time}   zero-based index of the sample within the source product
instrument_name string     name of the instrument
site_name string     name of the site at which the instrument is located
measurement_mode string     ‘solar’ or ‘lunar’ measurement
instrument_latitude double   degree_north latitude of the instrument
instrument_longitude double   degree_east longitude of the measurement
instrument_altitude double   km altitude of the instrument
datetime double {time} days since 2000-01-01 time of the measurement
datetime_length double {time} s duration of the measurement
HCN_column_number_density double {time} molec/m2 total HCN vertical column
HCN_column_number_density_apriori double {time} molec/m2 a priori total HCN vertical column
HCN_column_number_density_avk double {time, vertical} 1 averaging kernel for the total HCN vertical colum
HCN_column_number_density_stdev_random double {time} molec/m2 random uncertainty of the total HCN vertical colu
HCN_column_number_density_stdev_systematic double {time} molec/m2 systematic uncertainty of the total HCN vertical
H2O_column_number_density double {time} molec/m2 total H2O vertical column
HCN_volume_mixing_ratio double {time, vertical} ppmv HCN volume mixing ratio
HCN_volume_mixing_ratio_apriori double {time, vertical} ppmv a priori HCN volume mixing ratio
HCN_volume_mixing_ratio_avk double {time, vertical, vertical} 1 averaging kernel for the HCN volume mixing ratio
HCN_volume_mixing_ratio_cov_systematic double {time, vertical, vertical} (ppmv)^2 systematic covariance of the HCN volume mixing ra
HCN_volume_mixing_ratio_cov_random double {time, vertical, vertical} (ppmv)^2 random covariance of the HCN volume mixing ratio
H2O_volume_mixing_ratio double {time, vertical} ppmv H2O volume mixing ratio
altitude double {time, vertical} km retrieval effective altitude
altitude_bounds double {time, vertical, 2} km lower and upper boundaries of the height layers
pressure double {time, vertical} hPa independent pressure profile
temperature double {time, vertical} K independent temperature profile
surface_pressure double {time} hPa independent surface pressure
surface_temperature double {time} K independent surface temperature
solar_azimith_angle double {time} deg solar azimuth angle
solar_zenith_angle double {time} deg solar zenith angle

Mapping description

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

field name mapping description
instrument_name path /@DATA.SOURCE
site_name path /@DATA.LOCATION
measurement_mode condition determined from ‘variable mode’ part of variable names
instrument_latitude path /LATITUDE.INSTRUMENT
instrument_longitude path /LONGITUDE.INSTRUMENT
instrument_altitude path /ALTITUDE.INSTRUMENT
datetime path /DATETIME
datetime_length available optional
path /INTEGRATION.TIME
HCN_column_number_density condition solar measurement
path /HCN.COLUMN_ABSORPTION.SOLAR
condition lunar measurement
path /HCN.COLUMN_ABSORPTION.LUNAR
HCN_column_number_density_apriori condition solar measurement
path /HCN.COLUMN_ABSORPTION.SOLAR_APRIORI
condition lunar measurement
path /HCN.COLUMN_ABSORPTION.LUNAR_APRIORI
HCN_column_number_density_avk condition solar measurement
path /HCN.COLUMN_ABSORPTION.SOLAR_AVK
condition lunar measurement
path /HCN.COLUMN_ABSORPTION.LUNAR_AVK
HCN_column_number_density_stdev_random condition solar measurement
path /HCN.COLUMN_ABSORPTION.SOLAR_UNCERTAINTY.RANDOM
condition lunar measurement
path /HCN.COLUMN_ABSORPTION.LUNAR_UNCERTAINTY.RANDOM
HCN_column_number_density_stdev_systematic condition solar measurement
path /HCN.COLUMN_ABSORPTION.SOLAR_UNCERTAINTY.SYSTEMATIC
condition lunar measurement
path /HCN.COLUMN_ABSORPTION.LUNAR_UNCERTAINTY.SYSTEMATIC
H2O_column_number_density condition solar measurement
path /H2O.COLUMN_ABSORPTION.SOLAR
condition lunar measurement
path /H2O.COLUMN_ABSORPTION.LUNAR
HCN_volume_mixing_ratio available optional
condition solar measurement
path /HCN.MIXING.RATIO_ABSORPTION.SOLAR
condition lunar measurement
path /HCN.MIXING.RATIO_ABSORPTION.LUNAR
HCN_volume_mixing_ratio_apriori available optional
condition solar measurement
path /HCN.MIXING.RATIO_ABSORPTION.SOLAR_APRIORI
condition lunar measurement
path /HCN.MIXING.RATIO_ABSORPTION.LUNAR_APRIORI
HCN_volume_mixing_ratio_avk available optional
condition solar measurement
path /HCN.MIXING.RATIO_ABSORPTION.SOLAR_AVK
condition lunar measurement
path /HCN.MIXING.RATIO_ABSORPTION.LUNAR_AVK
HCN_volume_mixing_ratio_cov_systematic available optional
condition solar measurement
path /HCN.MIXING.RATIO_ABSORPTION.SOLAR_UNCERTAINTY.SYSTEMATIC
condition lunar measurement
path /HCN.MIXING.RATIO_ABSORPTION.LUNAR_UNCERTAINTY.SYSTEMATIC
HCN_volume_mixing_ratio_cov_random available optional
condition solar measurement
path /HCN.MIXING.RATIO_ABSORPTION.SOLAR_UNCERTAINTY.RANDOM
condition lunar measurement
path /HCN.MIXING.RATIO_ABSORPTION.LUNAR_UNCERTAINTY.RANDOM
H2O_volume_mixing_ratio condition solar measurement
path /H2O.MIXING.RATIO_ABSORPTION.SOLAR
condition lunar measurement
path /H2O.MIXING.RATIO_ABSORPTION.LUNAR
altitude path /ALTITUDE
altitude_bounds path /ALTITUDE.BOUNDS
pressure path /PRESSURE_INDEPENDENT
temperature path /TEMPERATURE_INDEPENDENT
surface_pressure path /SURFACE.PRESSURE_INDEPENDENT
surface_temperature path /SURFACE.TEMPERATURE_INDEPENDENT
solar_azimith_angle condition solar measurement
path /ANGLE.SOLAR_AZIMUTH
condition lunar measurement
path /ANGLE.LUNAR_AZIMUTH
solar_zenith_angle condition solar measurement
path /ANGLE.SOLAR_ZENITH.ASTRONOMICAL
condition lunar measurement
path /ANGLE.LUNAR_ZENITH.ASTRONOMICAL