2,ANGLE.SOLAR_ZENITH.ASTRONOMICAL,DATETIME,deg,REAL,The solar 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),x
2,DRY.AIR.NUMBER.DENSITY_INDEPENDENT,DATETIME;ALTITUDE,molec cm-3,REAL,Dry air number density profile,x
2,DRY.AIR.NUMBER.DENSITY_INDEPENDENT_SOURCE,[CONSTANT|DATETIME|DATETIME;ALTITUDE],[empty],STRING,Dry air number density profile source (hydrostatic),x
2,DRY.AIR.COLUMN.PARTIAL_INDEPENDENT,DATETIME;ALTITUDE,Zmolec cm-2,REAL,Vertical profile of partial columns of air number densities (for conversion between VMR and partial column profile),x
2,H2O.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR,DATETIME,ppmv,REAL,Column average dry air mole fraction,x
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),x
2,H2O.COLUMN_ABSORPTION.SOLAR_AVK,DATETIME;ALTITUDE,1,REAL,Column sensitivity associated with the total vertical column of the target gas,x
2,H2O.MIXING.RATIO.VOLUME.DRY_APRIORI,DATETIME;ALTITUDE,ppmv,REAL,A-priori total vertical column of target gas,x
2,H2O.MIXING.RATIO.VOLUME.DRY_APRIORI.SOURCE,[CONSTANT|DATETIME|DATETIME;ALTITUDE],[empty],STRING,Source of the vertical profile of a-priori per layer,x
2,CO2.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR,DATETIME,ppmv,REAL,Column average dry air mole fraction,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),x
2,CO2.COLUMN_ABSORPTION.SOLAR_AVK,DATETIME;ALTITUDE,1,REAL,Column sensitivity associated with the total vertical column of the target gas,x
2,CO2.MIXING.RATIO.VOLUME.DRY_APRIORI,DATETIME;ALTITUDE,ppmv,REAL,A-priori total vertical column of target gas,x
2,CO2.MIXING.RATIO.VOLUME.DRY_APRIORI.SOURCE,[CONSTANT|DATETIME|DATETIME;ALTITUDE],[empty],STRING,Source of the vertical profile of a-priori per layer,x
2,CH4.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR,DATETIME,ppmv,REAL,Column average dry air mole fraction,x
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),x
2,CH4.COLUMN_ABSORPTION.SOLAR_AVK,DATETIME;ALTITUDE,1,REAL,Column sensitivity associated with the total vertical column of the target gas,x
2,CH4.MIXING.RATIO.VOLUME.DRY_APRIORI,DATETIME;ALTITUDE,ppbv,REAL,A-priori total vertical column of target gas,x
2,CH4.MIXING.RATIO.VOLUME.DRY_APRIORI.SOURCE,[CONSTANT|DATETIME|DATETIME;ALTITUDE],[empty],STRING,Source of the vertical profile of a-priori per layer,x
2,CO.COLUMN.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR,DATETIME,ppbv,REAL,Column average dry air mole fraction,x
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),x
2,CO.COLUMN_ABSORPTION.SOLAR_AVK,DATETIME;ALTITUDE,1,REAL,Column sensitivity associated with the total vertical column of the target gas,x
2,CO.MIXING.RATIO.VOLUME.DRY_APRIORI,DATETIME;ALTITUDE,ppbv,REAL,A-priori total vertical column of target gas,x
2,CO.MIXING.RATIO.VOLUME.DRY_APRIORI.SOURCE,[CONSTANT|DATETIME|DATETIME;ALTITUDE],[empty],STRING,Source of the vertical profile of a-priori per layer,x
2,SOURCE.PRODUCT,INDEPENDENT,[empty],STRING,Information relevant to the source history of the Metadata and Data in the form Original_Archive;Original_Filename;Original_File_Generation_Date,o
