2,SURFACE.TEMPERATURE_INDEPENDENT_SOURCE,[CONSTANT|DATETIME],[empty],STRING,Surface temperature profile source (e.g. Meteorological thermometer etc.),o
2,ALTITUDE,[ALTITUDE|DATETIME;ALTITUDE],km,REAL,a priori Altitude profile vector (if DATETIME independent) or matrix (if DATETIME dependent). Values are monotonically decreasing,x
2,ALTITUDE.BOUNDARIES,[ALTITUDE;INDEPENDENT|DATETIME;ALTITUDE;INDEPENDENT],km,REAL,2D (if DATETIME independent) or 3D (if DATETIME dependent) matrix with on each row the upper and lower boundaries of the layers for which the partial columns are reported. In layer-based retrieval these are equal to the upper and lower boundaries of the respective retrieval layers,x
2,PRESSURE_INDEPENDENT,DATETIME;ALTITUDE,hPa,REAL,Effective air pressure at each altitude,x
2,N2O.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR,DATETIME,ppbv,REAL,Column average Dry Mole Fraction: 0.2095*column_N2O/column_O2,o
2,N2O.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR_UNCERTAINTY.RANDOM.STANDARD,DATETIME,ppbv,REAL,Total random uncertainty on the retrieved total column (expressed in same units as the column) (without smoothing error),o
2,N2O.MIXING.RATIO.VOLUME_APRIORI,DATETIME;ALTITUDE,ppbv,REAL,TCCON a priori profile treated as a wet mole fraction,o
2,N2O.COLUMN_ABSORPTION.SOLAR_AVK,DATETIME;ALTITUDE,1,REAL,Averaging kernel matrix associated with the total vertical column of the target gas,o
2,N2O.COLUMN_ABSORPTION.SOLAR,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total vertical column of N2O,o
2,HF.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR,DATETIME,pptv,REAL,Column average Dry Mole Fraction: 0.2095*column_HF/column_O2,o
2,HF.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR_UNCERTAINTY.RANDOM.STANDARD,DATETIME,pptv,REAL,Total random uncertainty on the retrieved total column (expressed in same units as the column) (without smoothing error),o
2,HF.MIXING.RATIO.VOLUME_APRIORI,DATETIME;ALTITUDE,pptv,REAL,TCCON a priori profile treated as a wet mole fraction,o
2,HF.COLUMN_ABSORPTION.SOLAR_AVK,DATETIME;ALTITUDE,1,REAL,Averaging kernel matrix associated with the total vertical column of the target gas,o
2,HF.COLUMN_ABSORPTION.SOLAR,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total vertical column of HF,o
2,HDO.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR,DATETIME,ppmv,REAL,Column average Dry Mole Fraction: 0.2095*column_HDO/column_O2,o
2,HDO.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR_UNCERTAINTY.RANDOM.STANDARD,DATETIME,ppmv,REAL,Total random uncertainty on the retrieved total column (expressed in same units as the column) (without smoothing error),o
2,HDO.MIXING.RATIO.VOLUME_APRIORI,DATETIME;ALTITUDE,ppmv,REAL,TCCON a priori profile treated as a wet mole fraction,o
2,HDO.COLUMN_ABSORPTION.SOLAR_AVK,DATETIME;ALTITUDE,1,REAL,Averaging kernel matrix associated with the total vertical column of the target gas,o
2,HDO.COLUMN_ABSORPTION.SOLAR,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total vertical column of HDO,o
2,H2O.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR,DATETIME,ppmv,REAL,Column average Dry Mole Fraction: 0.2095*column_H2O/column_O2,o
2,H2O.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR_UNCERTAINTY.RANDOM.STANDARD,DATETIME,ppmv,REAL,Total random uncertainty on the retrieved total column (expressed in same units as the column) (without smoothing error),o
2,H2O.MIXING.RATIO.VOLUME_APRIORI,DATETIME;ALTITUDE,ppmv,REAL,TCCON a priori profile treated as a wet mole fraction,o
2,H2O.COLUMN_ABSORPTION.SOLAR_AVK,DATETIME;ALTITUDE,1,REAL,Averaging kernel matrix associated with the total vertical column of the target gas,o
2,H2O.COLUMN_ABSORPTION.SOLAR,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total vertical column of H2O,o
2,CO.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR,DATETIME,ppbv,REAL,Column average Dry Mole Fraction: 0.2095*column_CO/column_O2,o
2,CO.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR_UNCERTAINTY.RANDOM.STANDARD,DATETIME,ppbv,REAL,Total random uncertainty on the retrieved total column (expressed in same units as the column) (without smoothing error),o
2,CO.MIXING.RATIO.VOLUME_APRIORI,DATETIME;ALTITUDE,ppbv,REAL,TCCON a priori profile treated as a wet mole fraction,o
2,CO.COLUMN_ABSORPTION.SOLAR_AVK,DATETIME;ALTITUDE,1,REAL,Averaging kernel matrix associated with the total vertical column of the target gas,o
2,CO.COLUMN_ABSORPTION.SOLAR,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total vertical column of CO,o
2,CO2.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR,DATETIME,ppmv,REAL,Column average Dry Mole Fraction: 0.2095*column_CO2/column_O2,x
2,CO2.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR_UNCERTAINTY.RANDOM.STANDARD,DATETIME,ppmv,REAL,Total random uncertainty on the retrieved total column (expressed in same units as the column) (without smoothing error),o
2,CO2.MIXING.RATIO.VOLUME_APRIORI,DATETIME;ALTITUDE,ppmv,REAL,TCCON a priori profile treated as a wet mole fraction,x
2,CO2.COLUMN_ABSORPTION.SOLAR_AVK,DATETIME;ALTITUDE,1,REAL,Averaging kernel matrix associated with the total vertical column of the target gas,o
2,CO2.COLUMN_ABSORPTION.SOLAR,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total vertical column of CO2,o
2,CH4.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR,DATETIME,ppmv,REAL,Column average Dry Mole Fraction: 0.2095*column_CH4/column_O2,o
2,CH4.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR_UNCERTAINTY.RANDOM.STANDARD,DATETIME,ppmv,REAL,Total random uncertainty on the retrieved total column (expressed in same units as the column) (without smoothing error),o
2,CH4.MIXING.RATIO.VOLUME_APRIORI,DATETIME;ALTITUDE,ppbv,REAL,TCCON a priori profile treated as a wet mole fraction,o
2,CH4.COLUMN_ABSORPTION.SOLAR_AVK,DATETIME;ALTITUDE,1,REAL,Averaging kernel matrix associated with the total vertical column of the target gas,o
2,CH4.COLUMN_ABSORPTION.SOLAR,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total vertical column of CH4,o
2,O2.COLUMN_ABSORPTION.SOLAR,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total vertical column of O2,o
2,DRY.AIR.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR,DATETIME,ppv,REAL,Column average Dry Mole Fraction: surface pressure/column_O2,o
2,ANGLE.SOLAR_ZENITH.ASTRONOMICAL,DATETIME,deg,REAL,The solar (or lunar) astronomical zenith angle at which the measurement was taken,x
2,ANGLE.SOLAR_AZIMUTH,DATETIME,deg,REAL,The azimuth viewing direction of the instrument using north as the reference plane and increasing clockwise (0 for north; 90 for east and so on),o
2,SOLAR.INTENSITY_FRACTIONAL.VARIATION,DATETIME,%,REAL,Fractional Variation in Solar Intensity (%),o
2,WIND.DIRECTION.SURFACE_INDEPENDENT,DATETIME,deg,REAL,Wind direction at the station using WMO definition (wind from the north is 360; from the east is 90 and so on. No wind (calm) is 0),o
2,WIND.DIRECTION.SURFACE_INDEPENDENT_SOURCE,[CONSTANT|DATETIME],[empty],STRING,Wind direction source (e.g. Anemometer; ECMWF etc.),o
2,WIND.SPEED.SURFACE_INDEPENDENT,DATETIME,m s-1,REAL,Wind speed at the station,o
2,NUMBER.DENSITY_INDEPENDENT,DATETIME;ALTITUDE,molec cm-3,REAL,Air number density profile,o
2,NUMBER.DENSITY_INDEPENDENT_SOURCE,[CONSTANT|DATETIME|DATETIME;ALTITUDE],[empty],STRING,Air number density profile source (e.g. NCEP; Sonde; ECMWF etc.),o
2,COLUMN.PARTIAL_INDEPENDENT,DATETIME;ALTITUDE,mol m-2,REAL,Vertical profile of partial columns of wet air number densities (for conversion between VMR and partial column profile),o
2,COLUMN.PARTIAL_INDEPENDENT_SOURCE,[CONSTANT|DATETIME|DATETIME;ALTITUDE],[empty],STRING,Partial columns of air source (e.g. NCEP; Sonde; ECMWF etc.),o
2,COLUMN.PARTIAL.DRY_INDEPENDENT,DATETIME;ALTITUDE,mol m-2,REAL,Vertical profile of partial columns of dry air number densities (for conversion between VMR and partial column profile),o
2,COLUMN.PARTIAL.DRY_INDEPENDENT_SOURCE,[CONSTANT|DATETIME|DATETIME;ALTITUDE],[empty],STRING,Partial columns of air source (e.g. NCEP; Sonde; ECMWF etc.),o
2,SOURCE.PRODUCT,INDEPENDENT,[empty],STRING,Information relevant to the source history of the Metadata and Data,o
