! Section 1.1: Originator Attributes ! ---------------------------------- ! PI_NAME=Van Roozendael; Michel PI_AFFILIATION=Belgian Institute for Space Aeronomy;BIRA.IASB PI_ADDRESS=Avenue Circulaire, 3;B-1180 Brussels;BELGIUM PI_EMAIL=michelv@aeronomie.be ! DO_NAME=Hendrick; Francois DO_AFFILIATION=Belgian Institute for Space Aeronomy;BIRA.IASB DO_ADDRESS=Avenue Circulaire, 3;B-1180 Brussels;BELGIUM DO_EMAIL=franch@aeronomie.be ! DS_NAME=Fayt; Caroline DS_AFFILIATION=Belgian Institute for Space Aeronomy;BIRA.IASB DS_ADDRESS=Avenue Circulaire, 3;B-1180 Brussels;BELGIUM DS_EMAIL=caroline.fayt@aeronomie.be ! DATA_DESCRIPTION=MAXDOAS aerosol data (extinction profiles and corresponding AODs) at Xianghe (China). DATA_DISCIPLINE=ATMOSPHERIC.PHYSICS;REMOTE.SENSING;GROUNDBASED DATA_GROUP=EXPERIMENTAL;PROFILE.STATIONARY DATA_LOCATION=XIANGHE DATA_SOURCE=UVVIS.DOAS.OFFAXIS.AEROSOL_BIRA.IASB007 DATA_VARIABLES=DATETIME;DATETIME.START;DATETIME.STOP;INTEGRATION.TIME;LATITUDE.INSTRUMENT;LONGITUDE.INSTRUMENT;ALTITUDE.INSTRUMENT;WAVELENGTH;ALTITUDE;PRESSURE_INDEPENDENT;PRESSURE_INDEPENDENT_SOURCE;TEMPERATURE_INDEPENDENT;TEMPERATURE_INDEPENDENT_SOURCE;ALTITUDE.BOUNDARIES;ANGLE.SOLAR_ZENITH.ASTRONOMICAL;ANGLE.SOLAR_AZIMUTH;ANGLE.VIEW_AZIMUTH;ANGLE.VIEW_ZENITH;LATITUDE;LONGITUDE;CLOUD.CONDITIONS;AEROSOL.SINGLE.SCATTERING.ALBEDO_INDEPENDENT;AEROSOL.ASYMMETRY.FACTOR_INDEPENDENT;AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS;AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.COVARIANCE;AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.SYSTEMATIC.COVARIANCE;AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_APRIORI;AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_AVK;AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS;AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.STANDARD;AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.SYSTEMATIC.STANDARD;AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_APRIORI;AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_AVK DATA_START_DATE=20060401T033000Z DATA_STOP_DATE=20060431T233000Z DATA_FILE_VERSION=004 DATA_MODIFICATIONS=none DATA_CAVEATS= DATA_RULES_OF_USE=please contact M. Van Roozendael DATA_ACKNOWLEDGEMENT=please contact M. Van Roozendael DATA_QUALITY=RD DATA_TEMPLATE=GEOMS-TE-UVVIS-DOAS-OFFAXIS-AEROSOL-007 DATA_PROCESSOR= FILE_NAME= FILE_GENERATION_DATE=20151116t155956z FILE_ACCESS=NDACC FILE_PROJECT_ID=NORS FILE_ASSOCIATION=NDACC FILE_META_VERSION=04R017 ; IDLCR8HDF FILE_DOI= ! ! Variable Attributes ! ------------------- ! VAR_NAME=DATETIME VAR_DESCRIPTION=datetime (UT), defined relative to reference datetime of Jan. 1, 1000 at 0:00:00 UT which is equal to 0.00 VAR_NOTES=mean time of the measurement sequence used for each retrieval VAR_SIZE=2929 VAR_DIMENSIONS=1 VAR_DEPEND=DATETIME VAR_DATA_TYPE=DOUBLE VAR_UNITS=MJD2K VAR_SI_CONVERSION=0.0;86400.0;s VAR_VALID_MIN=-5500 VAR_VALID_MAX=10000 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=datetime FORMAT= ! VAR_NAME=DATETIME.START VAR_DESCRIPTION=datetime start (UT), defined relative to reference datetime of Jan. 1, 1000 at 0:00:00 UT which is equal to 0.00 VAR_NOTES=start time of the measurement sequence used for each retrieval VAR_SIZE=2929 VAR_DIMENSIONS=1 VAR_DEPEND=DATETIME VAR_DATA_TYPE=DOUBLE VAR_UNITS=MJD2K VAR_SI_CONVERSION=0.0;86400.0;s VAR_VALID_MIN=-5500 VAR_VALID_MAX=10000 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=datetime_start FORMAT= ! VAR_NAME=DATETIME.STOP VAR_DESCRIPTION=datetime stop (UT), defined relative to reference datetime of Jan. 1, 1000 at 0:00:00 UT which is equal to 0.00 VAR_NOTES=end time of the measurement sequence used for each retrieval VAR_SIZE=2929 VAR_DIMENSIONS=1 VAR_DEPEND=DATETIME VAR_DATA_TYPE=DOUBLE VAR_UNITS=MJD2K VAR_SI_CONVERSION=0.0;86400.0;s VAR_VALID_MIN=-5500 VAR_VALID_MAX=10000 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=datetime_stop FORMAT= ! VAR_NAME=INTEGRATION.TIME VAR_DESCRIPTION=duration of the measurement corresponding to the profile VAR_NOTES= VAR_SIZE=2929 VAR_DIMENSIONS=1 VAR_DEPEND=DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=s VAR_SI_CONVERSION=0.0;1.0;s VAR_VALID_MIN=0 VAR_VALID_MAX=13600 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=int_time FORMAT= ! VAR_NAME=LATITUDE.INSTRUMENT VAR_DESCRIPTION=latitude north (decimal degrees) of the location of the instrument VAR_NOTES=sign convention: + for north and - for south VAR_DIMENSIONS=1 VAR_SIZE=1 VAR_DEPEND=CONSTANT VAR_DATA_TYPE=REAL VAR_UNITS=deg VAR_SI_CONVERSION=0.0;1.74533E-2;rad VAR_VALID_MIN=-90.0 VAR_VALID_MAX=90.0 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=lat FORMAT= ! VAR_NAME=LONGITUDE.INSTRUMENT VAR_DESCRIPTION=longitude east (decimal degrees) of the location of the instrument VAR_NOTES=sign convention: + for east and - for west VAR_DIMENSIONS=1 VAR_SIZE=1 VAR_DEPEND=CONSTANT VAR_DATA_TYPE=REAL VAR_UNITS=deg VAR_SI_CONVERSION=0.0;1.74533E-2;rad VAR_VALID_MIN=-180.0 VAR_VALID_MAX=180.0 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=long FORMAT= ! VAR_NAME=ALTITUDE.INSTRUMENT VAR_DESCRIPTION=altitude of the instrument relative to the location site VAR_NOTES= VAR_DIMENSIONS=1 VAR_SIZE=1 VAR_DEPEND=CONSTANT VAR_DATA_TYPE=REAL VAR_UNITS=m VAR_SI_CONVERSION=0.0;1.0;m VAR_VALID_MIN=-0.05 VAR_VALID_MAX=5000.0 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=alt_instr FORMAT= ! VAR_NAME=WAVELENGTH VAR_DESCRIPTION=Wavelength at which aerosol measurements are made VAR_NOTES= VAR_DIMENSIONS=1 VAR_SIZE=1 VAR_DEPEND=CONSTANT VAR_DATA_TYPE=REAL VAR_UNITS=nm VAR_SI_CONVERSION=0.0;1.0E-9;m VAR_VALID_MIN=300.0 VAR_VALID_MAX=800.0 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=wvl FORMAT= ! VAR_NAME=ALTITUDE VAR_DESCRIPTION=Grid of altitude levels upon which the retrieved target profile as well as pressure and temperature profiles are reported VAR_NOTES=these altitudes are the centers of the retrieval altitude layers (geometric mean between the 2 layer boundaries); the reported number densities, P and T are effective layer values. VAR_DIMENSIONS=1 VAR_SIZE=13 VAR_DEPEND=INDEPENDENT VAR_DATA_TYPE=REAL VAR_UNITS=km VAR_SI_CONVERSION=0.0;1000.0;m VAR_VALID_MIN=0.0 VAR_VALID_MAX=120.0 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=alt_grid FORMAT= ! VAR_NAME=PRESSURE_INDEPENDENT VAR_DESCRIPTION=Total effective air pressures in layers for vertical profile retrieval VAR_NOTES=Pressure/temperature profiles are taken from a climatology (US standard); The pressure values represent the effective pressure in each layer and are reported at the center altitude of each layer VAR_DIMENSIONS=2 VAR_SIZE=13;2929 VAR_DEPEND=ALTITUDE;DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=hPa VAR_SI_CONVERSION=0.0;100.0;m-1 kg s-2 VAR_VALID_MIN=0.0 VAR_VALID_MAX=1100.0 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=pres FORMAT= ! VAR_NAME=PRESSURE_INDEPENDENT_SOURCE VAR_DESCRIPTION=Pressure profile source (e.g. NCEP, Sonde, ECMWF etc.) VAR_NOTES= VAR_SIZE=1 VAR_DIMENSIONS=1 VAR_DEPEND=CONSTANT VAR_DATA_TYPE=STRING VAR_UNITS= VAR_SI_CONVERSION= VAR_VALID_MIN= VAR_VALID_MAX= VAR_FILL_VALUE= ! LITERAL=no VALUES=pres_ind_source FORMAT= ! VAR_NAME=TEMPERATURE_INDEPENDENT VAR_DESCRIPTION=effective air temperatures in layers for vertical profile retrieval VAR_NOTES=Pressure/temperature profiles are taken from a climatology (US standard); The temperature values represent the effective temperature in each layer and are reported at the center altitude of each layer VAR_DIMENSIONS=2 VAR_SIZE=13;2929 VAR_DEPEND=ALTITUDE;DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=K VAR_SI_CONVERSION=0.0;1.0;K VAR_VALID_MIN=0.0 VAR_VALID_MAX=500.0 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=temp FORMAT= ! VAR_NAME=TEMPERATURE_INDEPENDENT_SOURCE VAR_DESCRIPTION=Temperature profile source (e.g. NCEP, Sonde, ECMWF etc.) VAR_NOTES= VAR_SIZE=1 VAR_DIMENSIONS=1 VAR_DEPEND=CONSTANT VAR_DATA_TYPE=STRING VAR_UNITS= VAR_SI_CONVERSION= VAR_VALID_MIN= VAR_VALID_MAX= VAR_FILL_VALUE= ! LITERAL=no VALUES=temp_ind_source FORMAT= ! VAR_NAME=ALTITUDE.BOUNDARIES VAR_DESCRIPTION=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 VAR_NOTES=The retrieved partial columns are given at the center between the boundaries provided VAR_DIMENSIONS=2 VAR_SIZE=2;13 VAR_DEPEND=INDEPENDENT;ALTITUDE VAR_DATA_TYPE=REAL VAR_UNITS=km VAR_SI_CONVERSION=0.0;1000.0;m VAR_VALID_MIN=0.0 VAR_VALID_MAX=120.0 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=grid_bound FORMAT= ! VIS_LABEL=Altitude boundaries (km) VIS_FORMAT=F10.3 VIS_PLOT_TYPE=XY.PROFILE VIS_SCALE_TYPE=LINEAR;INCREASE VIS_SCALE_MIN=0 VIS_SCALE_MAX=120 ! VAR_NAME=ANGLE.SOLAR_ZENITH.ASTRONOMICAL VAR_DESCRIPTION=astronomical zenith angle of the sun VAR_NOTES= VAR_DIMENSIONS=1 VAR_SIZE=2929 VAR_DEPEND=DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=deg VAR_SI_CONVERSION=0.0;1.74533E-2;rad VAR_VALID_MIN=0.0 VAR_VALID_MAX=180.0 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=sza FORMAT= ! VAR_NAME=ANGLE.SOLAR_AZIMUTH VAR_DESCRIPTION=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) VAR_NOTES= VAR_DIMENSIONS=1 VAR_SIZE=2929 VAR_DEPEND=DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=deg VAR_SI_CONVERSION=0.0;1.74533E-2;rad VAR_VALID_MIN=0.0 VAR_VALID_MAX=360.0 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=saz FORMAT= ! VAR_NAME=ANGLE.VIEW_AZIMUTH VAR_DESCRIPTION=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) VAR_NOTES= VAR_DIMENSIONS=1 VAR_SIZE=2929 VAR_DEPEND=DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=deg VAR_SI_CONVERSION=0.0;1.74533E-2;rad VAR_VALID_MIN=0.0 VAR_VALID_MAX=360.0 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=pointing_az FORMAT= ! VAR_NAME=ANGLE.VIEW_ZENITH VAR_DESCRIPTION=pointing zenith angle of the MAXDOAS VAR_NOTES= VAR_DIMENSIONS=1 VAR_SIZE=2929 VAR_DEPEND=DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=deg VAR_SI_CONVERSION=0.0;1.74533E-2;rad VAR_VALID_MIN=0.0 VAR_VALID_MAX=180.0 VAR_FILL_VALUE=-90000.0 ! LITERAL=no VALUES=pointing_ze FORMAT= ! VAR_NAME=LATITUDE VAR_DESCRIPTION=Latitude of the effective air mass. Values are given for each altitude layer (ALTITUDE) VAR_NOTES=sign convention: + for north and - for south VAR_DIMENSIONS=2 VAR_SIZE=47;1076 VAR_DEPEND=ALTITUDE;DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=deg VAR_SI_CONVERSION=0;0.017453292519943;rad VAR_VALID_MIN=-90 VAR_VALID_MAX=90 VAR_AVG_TYPE=NONE VAR_FILL_VALUE=-9.0000E+004 ! LITERAL=no VALUES=lat_mat FORMAT= ! VIS_LABEL=Measurement Lat N (deg) VIS_FORMAT=F9.2 VIS_PLOT_TYPE=XY VIS_SCALE_TYPE=LINEAR;INCREASE VIS_SCALE_MIN=-90 VIS_SCALE_MAX=90 ! VAR_NAME=LONGITUDE VAR_DESCRIPTION=Longitude of the effective air mass. Values are given for each altitude layer (ALTITUDE) VAR_NOTES=sign convention: + for east and - for west VAR_DIMENSIONS=2 VAR_SIZE=47;1076 VAR_DEPEND=ALTITUDE;DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=deg VAR_SI_CONVERSION=0;0.017453292519943;rad VAR_VALID_MIN=-180 VAR_VALID_MAX=180 VAR_AVG_TYPE=NONE VAR_FILL_VALUE=-9.0000E+004 ! LITERAL=no VALUES=long_mat FORMAT= ! VIS_LABEL=Measurement Lon E (deg) VIS_FORMAT=F9.2 VIS_PLOT_TYPE=XY VIS_SCALE_TYPE=LINEAR;INCREASE VIS_SCALE_MIN=-180 VIS_SCALE_MAX=180 ! VAR_NAME=CLOUD.CONDITIONS VAR_DESCRIPTION=Possible Values: clear-sky; thin clouds; thick clouds; broken clouds; [empty]. [empty] means that the cloud retrieval is not successful; not possible or missing VAR_NOTES= VAR_DIMENSIONS=1 VAR_SIZE=2929 VAR_DEPEND=DATETIME VAR_DATA_TYPE=STRING VAR_UNITS= VAR_SI_CONVERSION= VAR_VALID_MIN= VAR_VALID_MAX= VAR_FILL_VALUE= ! LITERAL=no VALUES=cloud_cond_mat FORMAT= ! VAR_NAME=AEROSOL.SINGLE.SCATTERING.ALBEDO_INDEPENDENT VAR_DESCRIPTION=The aerosol single scattering albedo used for the retrievals VAR_NOTES= VAR_DIMENSIONS=1 VAR_SIZE=2929 VAR_DEPEND=DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=1 VAR_SI_CONVERSION=0.0;1.0;1 VAR_VALID_MIN=0.0 VAR_VALID_MAX=5.0 VAR_FILL_VALUE=-90000.00 ! LITERAL=no VALUES=aer_ssa FORMAT= ! VAR_NAME=AEROSOL.ASYMMETRY.FACTOR_INDEPENDENT VAR_DESCRIPTION=The aerosol asymmetry factor of the phase function used for the retrievals VAR_NOTES= VAR_DIMENSIONS=1 VAR_SIZE=2929 VAR_DEPEND=DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=1 VAR_SI_CONVERSION=0.0;1.0;1 VAR_VALID_MIN=0.0 VAR_VALID_MAX=5.0 VAR_FILL_VALUE=-90000.00 ! LITERAL=no VALUES=aer_asf FORMAT= ! VAR_NAME=AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS VAR_DESCRIPTION=Retrieved aerosol extinction vertical profile VAR_NOTES= VAR_DIMENSIONS=2 VAR_SIZE=13;2929 VAR_DEPEND=ALTITUDE;DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=km-1 VAR_SI_CONVERSION=0.0;1.0E-3;m-1 VAR_VALID_MIN=0.0 VAR_VALID_MAX=50 VAR_FILL_VALUE=-90000.00 ! LITERAL=no VALUES=aer_ext_prof FORMAT= ! VAR_NAME=AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.COVARIANCE VAR_DESCRIPTION=Total random error covariance matrix associated with the retrieved aerosol extinction vertical profile (without smoothing error!) VAR_NOTES= VAR_DIMENSIONS=3 VAR_SIZE=13;13;2929 VAR_DEPEND=ALTITUDE;ALTITUDE;DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=km-2 VAR_SI_CONVERSION=0.0;1.0E-6;m-2 VAR_VALID_MIN=-10 VAR_VALID_MAX=50 VAR_FILL_VALUE=-90000.00 ! LITERAL=no VALUES=Se_rand_off FORMAT= ! VAR_NAME=AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.SYSTEMATIC.COVARIANCE VAR_DESCRIPTION=Total systematic error covariance matrix associated with the retrieved vertical profile (expressed in same units as the profile) VAR_NOTES= VAR_DIMENSIONS=3 VAR_SIZE=13;13;2929 VAR_DEPEND=ALTITUDE;ALTITUDE;DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=km-2 VAR_SI_CONVERSION=0.0;1.0E-6;m-2 VAR_VALID_MIN=-10.0 VAR_VALID_MAX=50 VAR_FILL_VALUE=-90000.00 ! LITERAL=no VALUES=Se_syst_off FORMAT= ! VAR_NAME=AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_APRIORI VAR_DESCRIPTION=A-priori target vertical profile VAR_NOTES= VAR_DIMENSIONS=2 VAR_SIZE=13;2929 VAR_DEPEND=ALTITUDE;DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=km-1 VAR_SI_CONVERSION=0.0;1.0E-3;m-1 VAR_VALID_MIN=0.0 VAR_VALID_MAX=10 VAR_FILL_VALUE=-90000.00 ! LITERAL=no VALUES=aer_ext_prof_ap FORMAT= ! VAR_NAME=AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_AVK VAR_DESCRIPTION=Averaging kernel matrix for retrieved aerosol extinction profiles VAR_NOTES=dimension 1 are the AVK rows; dimension 2 are the AVK columns VAR_DIMENSIONS=3 VAR_SIZE=13;13;2929 VAR_DEPEND=ALTITUDE;ALTITUDE;DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=1 VAR_SI_CONVERSION=0.0;1.0;1 VAR_VALID_MIN=-5.0 VAR_VALID_MAX=5.0 VAR_FILL_VALUE=-90000.00 ! LITERAL=no VALUES=profile_akernel_off FORMAT= ! VAR_NAME=AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS VAR_DESCRIPTION=tropospheric aerosol optical depth retrieved from the measurements (at the same wavelenght than the retrieval) VAR_NOTES= VAR_DIMENSIONS=1 VAR_SIZE=2929 VAR_DEPEND=DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=1 VAR_SI_CONVERSION=0.0;1.0;1 VAR_VALID_MIN=0.0 VAR_VALID_MAX=20.0 VAR_FILL_VALUE=-90000.00 ! LITERAL=no VALUES=AODtropo FORMAT= ! VAR_NAME=AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.STANDARD VAR_DESCRIPTION=Total random uncertainty on the retrieved total tropospheric aerosol optical depth (expressed in same units as the column) (without smoothing error) VAR_NOTES= VAR_DIMENSIONS=1 VAR_SIZE=2929 VAR_DEPEND=DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=1 VAR_SI_CONVERSION=0.0;1.0;1 VAR_VALID_MIN=-10.0 VAR_VALID_MAX=10.0 VAR_FILL_VALUE=-90000.00 ! LITERAL=no VALUES=AODtropo_error_rand FORMAT= ! VAR_NAME=AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.SYSTEMATIC.STANDARD VAR_DESCRIPTION=Total systematic uncertainty on the retrieved total tropospheric aerosol optical depth (expressed in same units as the column) (without smoothing error) VAR_NOTES= VAR_DIMENSIONS=1 VAR_SIZE=2929 VAR_DEPEND=DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=1 VAR_SI_CONVERSION=0.0;1.0;1 VAR_VALID_MIN=-10.0 VAR_VALID_MAX=10.0 VAR_FILL_VALUE=-90000.00 ! LITERAL=no VALUES=AODtropo_error_syst FORMAT= ! VAR_NAME=AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_APRIORI VAR_DESCRIPTION=A-priori total tropospheric aerosol optical depth VAR_NOTES= VAR_DIMENSIONS=1 VAR_SIZE=2929 VAR_DEPEND=DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=1 VAR_SI_CONVERSION=0.0;1.0;1 VAR_VALID_MIN=0.0 VAR_VALID_MAX=10.0 VAR_FILL_VALUE=-90000.00 ! LITERAL=no VALUES=AODtropo_apriori FORMAT= ! VAR_NAME=AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_AVK VAR_DESCRIPTION=Averaging kernel matrix associated with the total tropospheric aerosol optical depth VAR_NOTES= VAR_DIMENSIONS=2 VAR_SIZE=13;2929 VAR_DEPEND=ALTITUDE;DATETIME VAR_DATA_TYPE=REAL VAR_UNITS=1 VAR_SI_CONVERSION=0.0;1.0;1 VAR_VALID_MIN=-5.0 VAR_VALID_MAX=10.0 VAR_FILL_VALUE=-90000.00 ! LITERAL=no VALUES=AODtropo_akernel FORMAT= !