netcdf sgpaerilbldiffC1.c1.20050108.113122 { dimensions: time = UNLIMITED ; // (7 currently) wavenumber = 5124 ; channel = 2 ; variables: int base_time ; base_time:string = "8-Jan-2005,11:31:22 GMT" ; base_time:long_name = "Base time in Epoch" ; base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ; double time_offset(time) ; time_offset:long_name = "Time offset from base_time" ; time_offset:units = "seconds since 2005-01-08 11:31:22 0:00" ; float channel(channel) ; channel:long_name = "AERI channel number used as a coordinate in the channel dimension" ; channel:units = "unitless" ; channel:valid_range = "[1,2] integers only" ; channel:explanation_of_value_1 = "wavenumbers from 550.1299 to 1799.8549" ; channel:explanation_of_value_2 = "wavenumbers from 1800.3376 to 3020.1699" ; float sonde_offset_time(time) ; sonde_offset_time:long_name = "AERI sample time minus Sonde release time" ; sonde_offset_time:units = "seconds" ; float surface_temp_from_aeri_used(time) ; surface_temp_from_aeri_used:long_name = "Logical flag indicating if the AERI sample was used to derive the surface temperature value for driving the model" ; surface_temp_from_aeri_used:units = "unitless" ; float transparent_region_dq_flag(time) ; transparent_region_dq_flag:long_name = "Indicator of large residuals in channel 1 transparent region" ; transparent_region_dq_flag:units = "unitless" ; transparent_region_dq_flag:valid_range = "1 if the mean residuals for the channel 1 transparent region exceed thresholds, 0 otherwise" ; transparent_region_dq_flag:calc = "If mean_resid_ch_pro_unsat(time,0,8) < -3.0 (mW/m2 ster cm-1) .OR. mean_resid_ch_pro_unsat(time,0,8) > 10.0 (mW/m2 ster cm-1) then flag is 1.0 else flag is 0.0" ; transparent_region_dq_flag:comment = "A value of 1 indicates that the validation should not be used in the analysis of clear sky cases and warns that one or more of the inputs to the validation may be suspect." ; transparent_region_dq_flag:comment2 = "The set of elements where the `nonclear_flag` is equal to 0 .AND. this flag is equal to 1 reflect the cases where the transparent region residuals are outside the thresholds yet are indicated as clear." ; float mean_AERI_BT(time, channel) ; mean_AERI_BT:long_name = "Average of brightness temperatures calculated from AERI radiances within spectral windows, ch1:[1142.20,1147.03] & ch2:[2506.20,2511.02]" ; mean_AERI_BT:units = "degK" ; mean_AERI_BT:Explanation_of_value_-777 = "The value -0.777 is inserted if the average of the radiance data is negative" ; mean_AERI_BT:Explanation_of_value_-777_cont = "The brightness temp cannot be computed if the average is negative" ; float integ_resid_ch_unsat(time, channel) ; integ_resid_ch_unsat:long_name = "Integral of the AERI minus LBLRTM residuals for wavenumbers within each channel that are not saturated" ; integ_resid_ch_unsat:units = "mW/(m2 sr)" ; integ_resid_ch_unsat:comment = "This field may be used as an overall quality indicator for each clear sky validation. Suggested cutoffs by channel are {3000,50} mW/(m2 ster)" ; float wavenumber(wavenumber) ; wavenumber:long_name = "wavenumbers for residuals" ; wavenumber:units = "cm-1" ; wavenumber:independent_interval = "0.4821 cm-1" ; wavenumber:range_of_values = "[550.1299,3020.1699]" ; wavenumber:precision = "1.E-4" ; float rad_difference(time, wavenumber) ; rad_difference:long_name = "AERI radiance spectra minus LBLRTM radiance spectra" ; rad_difference:units = "mW/(m2 sr cm-1)" ; rad_difference:signif_digits = "within [1.E-4,1.E-3], depends on wavenumber" ; float lat ; lat:long_name = "north latitude" ; lat:units = "degrees" ; lat:valid_min = -90.f ; lat:valid_max = 90.f ; float lon ; lon:long_name = "east longitude" ; lon:units = "degrees" ; lon:valid_min = -180.f ; lon:valid_max = 180.f ; float alt ; alt:long_name = "altitude" ; alt:units = "meters above Mean Sea Level" ; // global attributes: :Date = "Fri Mar 25 11:16:14 2005" ; :Version = "$State: process-vap-qmeaerilbl-5.0-1 $" ; :Command_Line = "qmeaerilbl -d 20050108" ; :Input_Platforms = "sgpaeri01ch1C1.a1, sgpaeri01ch2C1.a1, sgpaeri01summaryC1.a1, sgplblch1C1.c1, sgplblch2C1.c1, sgp30smosE13.a1, sgp30smosE13.b1" ; :BW_Version = "Working_4_1" ; :Metadata_note_for_AERI = "Since the global metadata items from ch2 are always a subset of ch1, and the summary metadata items are always exactly the same as ch1, only the ch1 global metadata items are copied here" ; :Metadata_note_for_LBL = "It is possible for the global metadata for ch1 and ch2 to be different. When it is, both metadata values will be inserted for the same key, separated by a semicolon. If both values are the same for the same key, the common key will be written out" ; :Additional_Info_On_Signif_Digits = "Residuals reflect precision of both AERI radiances, 1.E-4, and LBLRTM output, accurate to 5 decimal places. The magnitude of the input radiances vary by 1.E+4, making the number of significant digits vary by wavenumber" ; :Missing_value = "-0.999" ; :AERI_Version = "$State: process-ingest-aeri01-4.6-0 $" ; :AERI_Input_Platforms = "none; ingest from external file" ; :AERI_sample-int = "approx 8 minutes" ; :AERI_averaging-int = "90 scans at 2.5 sec/scan" ; :AERI_serial-number = "1" ; :AERI_parFileDateYYMMDD = "50108.0 YYMMDD" ; :AERI_parFileDateYYMMDD_description = "Date of the file containing instrument specific parameters" ; :AERI_AERIunitNumber = "1.0 " ; :AERI_AERIunitNumber_description = "AERI instrument unit serial number" ; :AERI_sceneViewDuration = "195.0 Seconds" ; :AERI_sceneViewDuration_description = "Duration of scene view" ; :AERI_coadditionsCount = "45.0 " ; :AERI_coadditionsCount_description = "Number of complete (forward+backward) interferogram scans in sample average" ; :AERI_sceneMirrorPosition = "83.0 " ; :AERI_sceneMirrorPosition_description = "Instrument scene mirror position identifier" ; :AERI_sceneMirPosCount = "3.0 " ; :AERI_sceneMirPosCount_description = "Number of views in a sequence" ; :AERI_calibratedSceneID = "83.0 " ; :AERI_calibratedSceneID_description = "Type of scene that has been calibrated (ASCII character as float)" ; :AERI_systemReleaseNumber = "2.5030 " ; :AERI_systemReleaseNumber_description = "Version number of Operational Software" ; :AERI_NLAPPwgt = "100000.0 " ; :AERI_NLAPPwgt_description = "Scale factor used in nonlinearity application" ; :AERI_NLAPPeff = "0.7000 " ; :AERI_NLAPPeff_description = "AERI Modulation efficiency used in nonlinearity correction" ; :AERI_NLAPPfback = "1.0000 " ; :AERI_NLAPPfback_description = "AERI detector background flux used in nonlin correction" ; :AERI_NLAPPhzpd0 = "15118.9004 " ; :AERI_NLAPPhzpd0_description = "Hot BB zero path difference value used as reference in nonlin" ; :AERI_NLAPPczpd0 = "-27268.6992 " ; :AERI_NLAPPczpd0_description = "Cold BB zero path difference value used as reference in nonlin" ; :AERI_NLAPPnmax = "2.0 " ; :AERI_NLAPPnmax_description = "Number of terms (NMAX) used in nonlinearity application" ; :AERI_NLAPPan1 = "1.00000000 " ; :AERI_NLAPPan1_description = "First nonlinearity coefficient" ; :AERI_NLAPPan2 = "-5.8440001e-08 " ; :AERI_NLAPPan2_description = "Second nonlinearity coefficient" ; :AERI_FFOVhalfAngle = "0.0161 radians" ; :AERI_FFOVhalfAngle_description = "Field of view half angle used in finite FOV correction" ; :AERI_numberOfTerms = "2.0 " ; :AERI_numberOfTerms_description = "Number of terms used in finite field of view correction" ; :AERI_originalLaserWavenumber = "15799.4004 cm-1" ; :AERI_originalLaserWavenumber_description = "Original laser wavenumber assumed for this instrument" ; :AERI_outputLaserWavenumber = "15799.0000 cm-1" ; :AERI_outputLaserWavenumber_description = "Laser wavenumber used in definition of output wavenumber scale" ; :AERI_originalInterferogramSize = "8192.0 32-bit words" ; :AERI_originalInterferogramSize_description = "Size of buffer holding initial spectrum" ; :AERI_expandedInterferogramSize = "131072.0 32-bit words" ; :AERI_expandedInterferogramSize_description = "Size of buffer holding expanded spectrum before interpolation" ; :AERI_Critical_raw_input_files = "050108.SUM 050108C1.RNC 050108C2.RNC 050108F1.CSV 050108F2.CSV" ; :AERI_Comment = "The time assigned to each data point indicates the center of any period of averaging of the geophysical state" ; :AERI_Comment_on_time = "The time assigned to each data point is identical to the Time and timeHHMMSS fields" ; :AERI_Ingest_OHWHIO_version = "$State: Release2_601 $" ; :AERI_Instrument_OHWHIO_version = "$State: Exp $" ; :LBL_Version = "$State: process-vap-lblrtm-5.3-0 $" ; :LBL_Input_Platforms = "sgpsondewnpnC1.b1, sgpaeri01summaryC1.a1" ; :LBL_BW_Version = "Working_4_1" ; :LBL_Title = "LBLRTM model runs for channel 1, using unscaled sondes ; LBLRTM model runs for channel 2, using unscaled sondes" ; :LBL_time_offset_explanation = "base_time + time_offset(i) is sonde launch time for sample \'i\'" ; :LBL_liblbl_Version = "$Id: ozone.c,v 2.1 2001/08/09 22:54:04 shippert process-vap-ozone-1.1-0 $" ; :LBL_interp_threshold_level = "100 hPa" ; :LBL_Continuum = "on" ; :LBL_ALFA0 = "0.040" ; :LBL_DPTMIN = "0.0002" ; :LBL_DPTFAC = "0.0010" ; :LBL_CO2_Mixing_Ratio = "360.00" ; :LBL_Minimum_Boundary_Alt = "0.320" ; :LBL_Maximum_Boundary_Alt = "68.000" ; :LBL_Molecules = "H20, CO2, O3, N20, CO, CH4, O2" ; :LBL_Cross_Sections = "CCL4,F11,F12" ; :LBL_Scanning_Function = "FFT sinc" ; :LBL_Scanning_Interval = "[ 547.71918, 1803.71268]" ; :LBL_Spectral_Spacing = "0.48214700" ; :LBL_LBLRTM_ID = "$ Rundeck for 20050108.113700 $State: process-vap-lblrtm-5.3-0 $" ; :LBL_Version_lblrtm = "5.10" ; :LBL_Version_contnm = "5.12" ; :LBL_Version_fftscn = "5.5" ; :LBL_Version_lblatm = "5.5" ; :LBL_Version_lbllow = "NOT USED" ; :LBL_Version_ncargks = "NOT USED" ; :LBL_Version_oprop = "5.12" ; :LBL_Version_postsub = "NOT USED" ; :LBL_Version_pltlbl = "5.2" ; :LBL_Version_testmm = "NOT USED" ; :LBL_Version_xmerge = "5.2" ; :LBL_Version_util_xxx = "5.2" ; :LBL_Version_solar = "NOT USED" ; :LBL_Continuum_Version = "ckd_2.4" ; :LBL_Hitran_Version = "hitran_99_jpl_ext_0_cor (HITRAN96, JPL Toth extended, Giver et al. correction)" ; :LBL_LBLRTM_Version = "lblrtm_v5.21a_f77_sgl" ; :LBL_lnfl_Header = "0 LINE FILE FOR LBLRTM: 420 - 2020. cm-1 (ARM Ch1) LNFL 5.5 REJ ISOTOP I 0/01/31 11:22:16" ; :LBL_lnfl_Molecules = "H2O CO2 O3 N2O CO CH4 O2" ; :LBL_lnfl_Count = "7900 16253 11184 3659 10 3459 79" ; :LBL_lnfl_Coupled_Lines = "0 258 0 0 0 0 0" ; :LBL_lnfl_NLTE_Lines = "0 0 0 0 0 0 0" ; :LBL_lnfl_Sum_LBLRTM_Strengths = "7.4703E-21 1.4252E-20 1.5723E-20 9.7554E-21 1.4628E-24 4.0508E-21 4.1018E-30" ; :LBL_lnfl_Lowest_Line = "420.215" ; :LBL_lnfl_Highest_Line = "2019.964" ; :LBL_lnfl_Number_Lines = "42544" ; :LBL_history = "created by the Zebra DataStore library, 25-Mar-2005,7:12:15, $RCSfile: DFA_NetCDF.c,v $ $Revision: 3.54 $\n", "" ; :zeb_platform = "sgpaerilbldiffC1.c1" ; :history = "created by the Zebra DataStore library, 25-Mar-2005,11:16:15, $RCSfile: DFA_NetCDF.c,v $ $Revision: 3.54 $\n", "" ; }