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 lower and upper boundaries of the layers for which the partial columns are reported. In layer-based retrieval these are equal to the lower and upper boundaries of the respective retrieval layers; monotonically increasing reported. In layer-based retrieval these are equal to the lower and upper boundaries of the respective retrieval layers,x if ALTITUDE is provided
2,PRESSURE_INDEPENDENT,DATETIME;ALTITUDE,hPa,REAL,Effective air pressure at each altitude,x if ALTITUDE is provided
2,PRESSURE_INDEPENDENT_SOURCE,[CONSTANT|DATETIME|DATETIME;ALTITUDE],[empty],STRING,Pressure profile source (e.g. NCEP; Sonde; ECMWF etc.),x if ALTITUDE is provided
2,TEMPERATURE_INDEPENDENT,DATETIME;ALTITUDE,K,REAL,Effective air temperature at each altitude,x if ALTITUDE is provided
2,TEMPERATURE_INDEPENDENT_SOURCE,[CONSTANT|DATETIME|DATETIME;ALTITUDE],[empty],STRING,Temperature profile source (e.g. Lidar; NCEP; Sonde; ECMWF etc.),x if ALTITUDE is provided
2,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 if ALTITUDE is provided
2,COLUMN.PARTIAL_INDEPENDENT_SOURCE,[CONSTANT|DATETIME|DATETIME;ALTITUDE],[empty],STRING,Partial columns of air source (e.g. NCEP; Sonde; ECMWF etc.),x if ALTITUDE is provided
2,INTEGRATION.TIME,DATETIME,s,REAL,Duration of the measurement corresponding to the retrieved datapoint,x
2,[GAS].MIXING.RATIO.VOLUME_ABSORPTION.[SOLAR|LUNAR],DATETIME;ALTITUDE,[ppmv|ppbv|pptv],REAL,Retrieved target vertical profile in VMR units,o
2,[GAS].MIXING.RATIO.VOLUME_ABSORPTION.[SOLAR|LUNAR]_APRIORI,DATETIME;ALTITUDE,[ppmv|ppbv|pptv],REAL,A-priori target vertical profile in VMR units,x if [GAS].MIXING.RATIO_ABSORPTION.[SOLAR|LUNAR] is provided
2,[GAS].MIXING.RATIO.VOLUME_ABSORPTION.[SOLAR|LUNAR]_AVK,DATETIME;ALTITUDE;ALTITUDE,1,REAL,A or Averaging kernel matrix for retrieved target profile (expressed in VMR/VMR units). The fastest running index corresponds to the column index of the AVK transformation matrix,x if [GAS].MIXING.RATIO_ABSORPTION.[SOLAR|LUNAR] is provided
2,[GAS].MIXING.RATIO.VOLUME_ABSORPTION.[SOLAR|LUNAR]_UNCERTAINTY.RANDOM.COVARIANCE,DATETIME;ALTITUDE;ALTITUDE,[ppmv2|ppbv2|pptv2],REAL,Total random error covariance matrix associated with the retrieved vertical profile (expressed in same units as the profile) (without smoothing error),x if [GAS].MIXING.RATIO_ABSORPTION.[SOLAR|LUNAR] is provided
2,[GAS].MIXING.RATIO.VOLUME_ABSORPTION.[SOLAR|LUNAR]_UNCERTAINTY.SYSTEMATIC.COVARIANCE,DATETIME;ALTITUDE;ALTITUDE,[ppmv2|ppbv2|pptv2],REAL,Total systematic error covariance matrix associated with the retrieved vertical profile (expressed in same units as the profile) (without smoothing error),x if [GAS].MIXING.RATIO_ABSORPTION.[SOLAR|LUNAR] is provided
2,[GAS].COLUMN.PARTIAL_ABSORPTION.[SOLAR|LUNAR],DATETIME;ALTITUDE,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Vertical profile of partial columns per layer,x if [GAS].MIXING.RATIO_ABSORPTION.[SOLAR|LUNAR] is provided
2,[GAS].COLUMN.PARTIAL_ABSORPTION.[SOLAR|LUNAR]_APRIORI,DATETIME;ALTITUDE,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Vertical profile of a-priori partial columns per layer,x if [GAS].MIXING.RATIO_ABSORPTION.[SOLAR|LUNAR] is provided
2,[GAS].COLUMN_ABSORPTION.[SOLAR|LUNAR],DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total vertical column of target gas,x
2,[GAS].COLUMN_ABSORPTION.[SOLAR|LUNAR]_APRIORI,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,A-priori total vertical column of target gas,o
2,[GAS].COLUMN_ABSORPTION.[SOLAR|LUNAR]_AVK,DATETIME;ALTITUDE,1,REAL,Averaging kernel matrix associated with the total vertical column of the target gas (in molec cm-2/molec cm-2 units),o
2,[GAS].COLUMN_ABSORPTION.[SOLAR|LUNAR]_UNCERTAINTY.RANDOM.STANDARD,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total random uncertainty on the retrieved total column (expressed in same units as the column) (without smoothing error),x
2,[GAS].COLUMN_ABSORPTION.[SOLAR|LUNAR]_UNCERTAINTY.SYSTEMATIC.STANDARD,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total systematic uncertainty on the retrieved partial columns (expressed in same units as the column) (without smoothing error),x
2,[GAS].COLUMN.TROPOSPHERIC_ABSORPTION.[SOLAR|LUNAR],DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total vertical column of target gas,o
2,[GAS].COLUMN.TROPOSPHERIC_ABSORPTION.[SOLAR|LUNAR]_APRIORI,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,A-priori total vertical column of target gas,o
2,[GAS].COLUMN.TROPOSPHERIC_ABSORPTION.[SOLAR|LUNAR]_AVK,DATETIME;ALTITUDE,1,REAL,Averaging kernel matrix associated with the total vertical column of the target gas (in molec cm-2/molec cm-2 units),o
2,[GAS].COLUMN.TROPOSPHERIC_ABSORPTION.[SOLAR|LUNAR]_UNCERTAINTY.RANDOM.STANDARD,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total random uncertainty on the retrieved total column (expressed in same units as the column) (without smoothing error),x if [GAS].COLUMN.TROPOSPHERIC_ABSORPTION.[SOLAR|LUNAR] is provided
2,[GAS].COLUMN.TROPOSPHERIC_ABSORPTION.[SOLAR|LUNAR]_UNCERTAINTY.SYSTEMATIC.STANDARD,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total systematic uncertainty on the retrieved partial columns (expressed in same units as the column)(without smoothing error),x if [GAS].COLUMN.TROPOSPHERIC_ABSORPTION.[SOLAR|LUNAR] is provided
2,[GAS].COLUMN.STRATOSPHERIC_ABSORPTION.[SOLAR|LUNAR],DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total vertical column of target gas,o
2,[GAS].COLUMN.STRATOSPHERIC_ABSORPTION.[SOLAR|LUNAR]_APRIORI,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,A-priori total vertical column of target gas,o
2,[GAS].COLUMN.STRATOSPHERIC_ABSORPTION.[SOLAR|LUNAR]_AVK,DATETIME;ALTITUDE,1,REAL,Averaging kernel matrix associated with the total vertical column of the target gas (in molec cm-2/molec cm-2 units),o
2,[GAS].COLUMN.STRATOSPHERIC_ABSORPTION.[SOLAR|LUNAR]_UNCERTAINTY.RANDOM.STANDARD,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total random uncertainty on the retrieved total column (expressed in same units as the column) (without smoothing error),x if [GAS].COLUMN.STRATOSPHERIC_ABSORPTION.[SOLAR|LUNAR] is provided
2,[GAS].COLUMN.STRATOSPHERIC_ABSORPTION.[SOLAR|LUNAR]_UNCERTAINTY.SYSTEMATIC.STANDARD,DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total systematic uncertainty on the retrieved partial columns (expressed in same units as the column) (without smoothing error),x if [GAS].COLUMN.STRATOSPHERIC_ABSORPTION.[SOLAR|LUNAR] is provided
2,ANGLE.[SOLAR|LUNAR]_ZENITH.ASTRONOMICAL,DATETIME,deg,REAL,The solar (or lunar) astronomical zenith angle at which the measurement was taken,x
2,ANGLE.[SOLAR|LUNAR]_AZIMUTH,DATETIME,deg,REAL,The solar (or lunar) azimuth angle at which the measurement was taken (0 for north
2,ANGLE.[SOLAR|LUNAR]_AZIMUTH,DATETIME,deg,REAL,The solar (or lunar) azimuth angle at which the measurement was taken (0 for north; 90 for east and so on),x
2,LATITUDE,DATETIME;ALTITUDE,deg,REAL,The latitude of the effective air mass at each altitude (+ for north; - for south),x if ALTITUDE is provided
2,LONGITUDE,DATETIME;ALTITUDE,deg,REAL,The longitude of the effective air mass at each altitude (+ for east; - for west),x if ALTITUDE is provided
2,H2O.MIXING.RATIO.VOLUME_ABSORPTION.[SOLAR|LUNAR],DATETIME;ALTITUDE,[ppmv|ppbv|pptv],REAL,Vertical profile of H2O adopted in the target gas retrieval in VMR units,o
2,H2O.COLUMN_ABSORPTION.[SOLAR|LUNAR],DATETIME,molec cm-2 (or a unit scaled by 1E3*n ex. Pmolec cm-2),REAL,Total vertical column of H2O adopted in the target gas retrieval,o
2,SOURCE.PRODUCT,INDEPENDENT,[empty],STRING,Information relevant to the source history of the Metadata and Data,o
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2,SOURCE.PRODUCT,INDEPENDENT,[empty],STRING,Information relevant to the source history of the Metadata and Data,o