2,DATETIME,DATETIME,MJD2K,DOUBLE,Mean time of the measurement sequence used for each retrieval
2,DATETIME.START,DATETIME,MJD2K,DOUBLE,Start time of the measurement sequence used for each retrieval
2,DATETIME.STOP,DATETIME,MJD2K,DOUBLE,End time of the measurement sequence used for each retrieval
2,DATETIME,DATETIME,MJD2K,DOUBLE,Mean time of the measurement sequence used for each retrieval; defined relative to reference datetime of Jan. 1 2000 at 0:00:00 UT which is equal to 0.00,x
2,DATETIME.START,DATETIME,MJD2K,DOUBLE,Start time of the measurement sequence used for each retrieval; defined relative to reference datetime of Jan. 1 2000 at 0:00:00 UT which is equal to 0.00,x
2,DATETIME.STOP,DATETIME,MJD2K,DOUBLE,End time of the measurement sequence used for each retrieval; defined relative to reference datetime of Jan. 1 2000 at 0:00:00 UT which is equal to 0.00,x
2,INTEGRATION.TIME,DATETIME,s,REAL,Duration of the DOAS measurements corresponding to the retrieved profile,x
2,WIND.DIRECTION.SURFACE_INDEPENDENT,DATETIME,deg,REAL,Wind direction at the station using WMO definition (wind from the north is 360
2,WIND.DIRECTION.SURFACE_INDEPENDENT_SOURCE,[CONSTANT|DATETIME],[empty],STRING,Wind direction source (e.g. Anemometer
2,LATITUDE.INSTRUMENT,CONSTANT,deg,REAL,Inst. Geolocation; latitude north (decimal degrees) of the location of the instrument (+ for north; - for south),x
2,LONGITUDE.INSTRUMENT,CONSTANT,deg,REAL,Inst. geolocation; east (decimal degrees) of the location of the instrument (+ for east; - for west),x
2,ALTITUDE.INSTRUMENT,CONSTANT,m,REAL,Inst. Geolocation; altitude of the instrument relative to the location site,x
2,ALTITUDE,[ALTITUDE|DATETIME;ALTITUDE],km,REAL,Retrieval effective altitude vector - possibly also dependent on DATETIME - in which case it becomes a 2D matrix,x
2,PRESSURE_INDEPENDENT,DATETIME;ALTITUDE,hPa,REAL,Effective air pressure at each altitude,x
2,COLUMN.PARTIAL_INDEPENDENT,DATETIME;ALTITUDE,molec cm-2,REAL,Vertical profile of partial columns of dry air number densities (for conversion between VMR and partial column profile),x
2,COLUMN.PARTIAL_INDEPENDENT_SOURCE,[CONSTANT|DATETIME|DATETIME;ALTITUDE],[empty],STRING,Partial columns of air source (e.g. NCEP; Sonde; ECMWF etc.),x
2,ALTITUDE.BOUNDARIES,[ALTITUDE;INDEPENDENT|DATETIME;ALTITUDE;INDEPENDENT],km,REAL,2D matrix with on each row the lower and upper boundaries of the layers for which the partial columns are provided. In layer-based retrieval these are equal to the lower and upper boundaries of the respective retrieval layers. This matrix becomes 3D if the ALTITUDE.BOUNDARIES varies with DATETIME,x
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.),x if WIND.DIRECTION.SURFACE_INDEPENDENT reported
2,WIND.SPEED.SURFACE_INDEPENDENT,DATETIME,m s-1,REAL,Wind speed at the station,o
2,WIND.SPEED.SURFACE_INDEPENDENT_SOURCE,[CONSTANT|DATETIME],[empty],STRING,Wind speed source (e.g. Anemometer; ECMWF etc.),x if WIND.SPEED.SURFACE_INDEPENDENT reported
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 solar azimuth angle at which the measurement was taken using north as the reference plane and increasing clockwise (0 for north
2,ANGLE.VIEW_AZIMUTH,DATETIME,deg,REAL,The azimuth viewing direction of the instrument using north as the reference plane and increasing clockwise (0 for north
2,ANGLE.SOLAR_AZIMUTH,DATETIME,deg,REAL,The solar azimuth angle at which the measurement was taken using north as the reference plane and increasing clockwise (0 for north; 90 for east and so on),x
2,ANGLE.VIEW_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,ANGLE.VIEW_ZENITH,DATETIME,deg,REAL,The zenith viewing direction of the instrument,x
2,AEROSOL.OPTICAL.DEPTH.STRATOSPHERIC_INDEPENDENT,DATETIME,1,REAL,The total stratospheric aerosol optical depth used for the retrieval is based on a climatology
2,LATITUDE,DATETIME;ALTITUDE,deg,REAL,The latitude of the effective air mass at each altitude (+ for north; - for south),o
2,LONGITUDE,DATETIME;ALTITUDE,deg,REAL,The longitude of the effective air mass at each altitude (+ for east; - for west),o
2,CLOUD.CONDITIONS,DATETIME,[empty],STRING,Possible Values: clear-sky; thin clouds; thick clouds; broken clouds; [empty]. [empty] means that the cloud retrieval is not successful; not possible or missing,x
2,AEROSOL.OPTICAL.DEPTH.STRATOSPHERIC_INDEPENDENT,DATETIME,1,REAL,The total stratospheric aerosol optical depth used for the retrieval is based on a climatology; model; or auxiliary measurements,o
2,AEROSOL.OPTICAL.DEPTH.STRATOSPHERIC_SCATTER.SOLAR.ZENITH,DATETIME,1,REAL,The total stratospheric aerosol optical depth used for the retrieval is retrieved from the zenith DOAS measurements,o
2,[GAS].COLUMN.SLANT_SCATTER.SOLAR.ZENITH,DATETIME,Pmolec cm-2,REAL,Zenith slant column density of target gas corresponding to DATETIME,o
2,[GAS].COLUMN.SLANT.DIFFERENTIAL_SCATTER.SOLAR.ZENITH,DATETIME,Pmolec cm-2,REAL,Zenith differential slant column density of target gas corresponding to DATETIME,o
2,[GAS].MIXING.RATIO.VOLUME_SCATTER.SOLAR.ZENITH,DATETIME;ALTITUDE,[ppmv|ppbv|pptv],REAL,Target vertical profile (in ppbv units with respect to dry air) retrieved from zenith DOAS measurements,o
2,[GAS].MIXING.RATIO.VOLUME_SCATTER.SOLAR.ZENITH_UNCERTAINTY.RANDOM.COVARIANCE,DATETIME;ALTITUDE;ALTITUDE,[ppmv2|ppbv2|pptv2],REAL,Total random error covariance matrix associated with the vertical profile (expressed in same units as the profile) (without smoothing error!) retrieved from zenith DOAS measurements,x if [GAS].MIXING.RATIO.VOLUME_SCATTER.SOLAR.ZENITH reported
2,[GAS].MIXING.RATIO.VOLUME_SCATTER.SOLAR.ZENITH_UNCERTAINTY.SYSTEMATIC.COVARIANCE,DATETIME;ALTITUDE;ALTITUDE,[ppmv2|ppbv2|pptv2],REAL,Total systematic error covariance matrix associated with the vertical profile (expressed in same units as the profile) retrieved from zenith DOAS measurements,x if [GAS].MIXING.RATIO.VOLUME_SCATTER.SOLAR.ZENITH reported
2,[GAS].MIXING.RATIO.VOLUME_SCATTER.SOLAR.ZENITH_AVK,DATETIME;ALTITUDE;ALTITUDE,1,REAL,A or Averaging kernel matrix for retrieved target profile (expressed in ppbv/ppbv units) retrieved from zenith DOAS measurements. The fastest running index corresponds to the column index of the AVK transformation matrix,o
2,[GAS].MIXING.RATIO.VOLUME_SCATTER.SOLAR.ZENITH_APRIORI,DATETIME;ALTITUDE,[ppmv|ppbv|pptv],REAL,Apriori target vertical profile (in ppbv units) associated with the profile retrieval from zenith DOAS measurements,x if [GAS].MIXING.RATIO.VOLUME_SCATTER.SOLAR.ZENITH_AVK reported
2,[GAS].COLUMN.TROPOSPHERIC_SCATTER.SOLAR.ZENITH,DATETIME,Pmolec cm-2,REAL,Total tropospheric vertical column of target gas retrieved from zenith DOAS measurements,o
2,[GAS].COLUMN.TROPOSPHERIC_SCATTER.SOLAR.ZENITH_UNCERTAINTY.RANDOM.STANDARD,DATETIME,Pmolec cm-2,REAL,Total random uncertainty on the total tropospheric column (expressed in same units as the column) (without smoothing error) retrieved from zenith DOAS measurements,x if [GAS].COLUMN.TROPOSPHERIC_SCATTER.SOLAR.ZENITH reported
2,[GAS].COLUMN.TROPOSPHERIC_SCATTER.SOLAR.ZENITH_UNCERTAINTY.SYSTEMATIC.STANDARD,DATETIME,Pmolec cm-2,REAL,Total systematic uncertainty on the retrieved total tropospheric column (expressed in same units as the column) (without smoothing error) retrieved from zenith DOAS measurements,x if [GAS].COLUMN.TROPOSPHERIC_SCATTER.SOLAR.ZENITH reported
2,[GAS].COLUMN.TROPOSPHERIC_SCATTER.SOLAR.ZENITH_AVK,DATETIME;ALTITUDE,1,REAL,Averaging kernel matrix associated with the total tropospheric vertical column of the target gas (in molec cm-2/molec cm-2 units) retrieved from zenith DOAS measurements,o
2,[GAS].COLUMN.TROPOSPHERIC_SCATTER.SOLAR.ZENITH_APRIORI,DATETIME,Pmolec cm-2,REAL,Apriori total tropospheric vertical column of target gas associated with the column retrieval from zenith DOAS measurements,x if [GAS].COLUMN.TROPOSPHERIC_SCATTER.SOLAR.ZENITH_AVK reported
2,[GAS].COLUMN.STRATOSPHERIC_SCATTER.SOLAR.ZENITH,DATETIME,Pmolec cm-2,REAL,Total stratospheric vertical column of target gas retrieved from zenith DOAS measurements,x
2,[GAS].COLUMN.STRATOSPHERIC_SCATTER.SOLAR.ZENITH_UNCERTAINTY.RANDOM.STANDARD,DATETIME,Pmolec cm-2,REAL,Total random uncertainty on the total stratospheric column (expressed in same units as the column) (without smoothing error) retrieved from zenith DOAS measurements,x
2,[GAS].COLUMN.STRATOSPHERIC_SCATTER.SOLAR.ZENITH_UNCERTAINTY.SYSTEMATIC.STANDARD,DATETIME,Pmolec cm-2,REAL,Total systematic uncertainty on the retrieved total stratospheric column (expressed in same units as the column) (without smoothing error) retrieved from zenith DOAS measurements,x
2,[GAS].COLUMN.STRATOSPHERIC_SCATTER.SOLAR.ZENITH_AVK,DATETIME;ALTITUDE,1,REAL,Averaging kernel matrix associated with the total stratospheric vertical column of the target gas (in molec cm-2/molec cm-2 units) retrieved from zenith DOAS measurements,o
2,[GAS].COLUMN.STRATOSPHERIC_SCATTER.SOLAR.ZENITH_APRIORI,DATETIME,Pmolec cm-2,REAL,Apriori total stratospheric vertical column of target gas associated with the column retrieval from zenith DOAS measurements,x if [GAS].COLUMN.STRATOSPHERIC_SCATTER.SOLAR.ZENITH_AVK reported
2,[GAS].COLUMN.STRATOSPHERIC_SCATTER.SOLAR.ZENITH_AMF,DATETIME,1,REAL,Air mass factor associated with the total stratospheric vertical column of the target gas retrieved from zenith DOAS measurements,o
4,SOURCE.PRODUCT,INDEPENDENT,[empty],STRING,Information relevant to the source history of the Metadata and Data,o
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2,[GAS].COLUMN.PARTIAL_SCATTER.SOLAR.ZENITH,DATETIME;ALTITUDE,Pmolec cm-2,REAL,Vertical profile of partial columns per layer (in molec cm-2) of target gas retrieved from zenith DOAS measurements,x if [GAS].MIXING.RATIO.VOLUME_SCATTER.SOLAR.ZENITH reported
2,[GAS].COLUMN.PARTIAL_SCATTER.SOLAR.ZENITH_APRIORI,DATETIME;ALTITUDE,Pmolec cm-2,REAL,Vertical profile of apriori of partial columns per layer (in molec cm-2) associated with the profile retrieval from zenith DOAS measurements,x if [GAS].COLUMN.STRATOSPHERIC_SCATTER.SOLAR.ZENITH_AVK reported
4,SOURCE.PRODUCT,INDEPENDENT,[empty],STRING,Information relevant to the source history of the Metadata and Data,o
