netcdf epcaerich1M1.b1.20240214.000528 { dimensions: time = UNLIMITED ; // (3992 currently) wnum = 2655 ; wnum2 = 3070 ; variables: int base_time ; base_time:string = "2024-02-14 00:00:00 0:00" ; 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 2024-02-14 00:00:00 0:00" ; double time(time) ; time:long_name = "Time offset from midnight" ; time:units = "seconds since 2024-02-14 00:00:00 0:00" ; int qc_time(time) ; qc_time:long_name = "Quality check results on field: Time offset from midnight" ; qc_time:units = "unitless" ; qc_time:description = "This field contains bit packed values which should be interpreted as listed. No bits set (zero) represents good data." ; qc_time:bit_1_description = "Delta time between current and previous samples is zero." ; qc_time:bit_1_assessment = "Indeterminate" ; qc_time:bit_2_description = "Delta time between current and previous samples is less than the delta_t_lower_limit field attribute." ; qc_time:bit_2_assessment = "Indeterminate" ; qc_time:bit_3_description = "Delta time between current and previous samples is greater than the delta_t_upper_limit field attribute." ; qc_time:bit_3_assessment = "Indeterminate" ; qc_time:delta_t_lower_limit = 10. ; qc_time:delta_t_upper_limit = 120. ; qc_time:prior_sample_flag = 1 ; qc_time:comment = "If the \'prior_sample_flag\' is set the first sample time from a new raw file will be compared against the time just previous to it in the stored data. If it is not set the qc_time value for the first sample will be set to 0." ; float Time_UTC_hours(time) ; Time_UTC_hours:long_name = "Time in decimal format at center of AERI sky observation period" ; Time_UTC_hours:units = "hours" ; Time_UTC_hours:resolution = 0.0001f ; Time_UTC_hours:missing_value = -9999.f ; Time_UTC_hours:explanation_of_value = "hours since 00:00:00 GMT" ; float timeHHMMSS(time) ; timeHHMMSS:long_name = "Time in hhmmss format at center of AERI sky observation period" ; timeHHMMSS:units = "hhmmss" ; timeHHMMSS:resolution = 1.f ; timeHHMMSS:missing_value = -9999.f ; float dateYYMMDD(time) ; dateYYMMDD:long_name = "Observation date" ; dateYYMMDD:units = "yymmdd" ; dateYYMMDD:resolution = 1.f ; dateYYMMDD:missing_value = -9999.f ; float JulianDay(time) ; JulianDay:long_name = "Julian day including day and fraction of day" ; JulianDay:units = "days" ; JulianDay:resolution = 1.e-05f ; JulianDay:missing_value = -9999.f ; int AERIunitNumber(time) ; AERIunitNumber:long_name = "AERI instrument unit serial number" ; AERIunitNumber:units = "unitless" ; AERIunitNumber:resolution = 1 ; AERIunitNumber:missing_value = -9999 ; int instrumentUnitNumber(time) ; instrumentUnitNumber:long_name = "Character string containing instrument name" ; instrumentUnitNumber:units = "unitless" ; instrumentUnitNumber:resolution = 0 ; instrumentUnitNumber:missing_value = -9999 ; float Latitude(time) ; Latitude:long_name = "Observation latitude" ; Latitude:units = "degrees" ; Latitude:resolution = 0.01f ; Latitude:missing_value = -9999.f ; float Longitude(time) ; Longitude:long_name = "Observation longitude" ; Longitude:units = "degrees" ; Longitude:resolution = 0.01f ; Longitude:missing_value = -9999.f ; float Altitude(time) ; Altitude:long_name = "Observation altitude" ; Altitude:units = "m" ; Altitude:resolution = 1.f ; Altitude:missing_value = -9999.f ; float systemReleaseNumber(time) ; systemReleaseNumber:long_name = "Version number of operational software" ; systemReleaseNumber:units = "unitless" ; systemReleaseNumber:resolution = 0.001f ; systemReleaseNumber:missing_value = -9999.f ; float sceneViewDuration(time) ; sceneViewDuration:long_name = "Duration of scene view" ; sceneViewDuration:units = "s" ; sceneViewDuration:resolution = 1.f ; sceneViewDuration:missing_value = -9999.f ; float outsideAirTemp(time) ; outsideAirTemp:long_name = "Ambient air temperature at hatch opening" ; outsideAirTemp:units = "K" ; outsideAirTemp:resolution = 0.001f ; outsideAirTemp:missing_value = -9999.f ; float BBsupportStructureTemp(time) ; BBsupportStructureTemp:long_name = "Temperature of the AERI blackbody support structure" ; BBsupportStructureTemp:units = "K" ; BBsupportStructureTemp:resolution = 0.001f ; BBsupportStructureTemp:missing_value = -9999.f ; float atmosphericRelativeHumidity(time) ; atmosphericRelativeHumidity:long_name = "Relative humidity measured near blackbodies. Use with air temperature near BBs only." ; atmosphericRelativeHumidity:units = "%" ; atmosphericRelativeHumidity:resolution = 0.1f ; atmosphericRelativeHumidity:missing_value = -9999.f ; float atmosphericPressure(time) ; atmosphericPressure:long_name = "Observation atmospheric pressure in AERI electronics" ; atmosphericPressure:units = "hPa" ; atmosphericPressure:resolution = 0.1f ; atmosphericPressure:missing_value = -9999.f ; float sceneMirrorAngle(time) ; sceneMirrorAngle:long_name = "Scene mirror view angle in non-negative degrees, measured clockwise looking into interferometer window" ; sceneMirrorAngle:units = "degrees" ; sceneMirrorAngle:resolution = 0.01f ; sceneMirrorAngle:missing_value = -9999.f ; int hatchOpen(time) ; hatchOpen:long_name = "Hatch open flag" ; hatchOpen:units = "unitless" ; hatchOpen:resolution = 1 ; hatchOpen:missing_value = -9999 ; hatchOpen:flag_values = "1 0 -1 -2 -3" ; hatchOpen:flag_meanings = "Open Closed Fault Outside_Valid_Range Neither_Open_Nor_Closed" ; int channelNumber(time) ; channelNumber:long_name = "AERI instrument data channel number" ; channelNumber:units = "unitless" ; channelNumber:resolution = 1 ; channelNumber:missing_value = -9999 ; float calibrationAmbientTemp(time) ; calibrationAmbientTemp:long_name = "Ambient temperature used in calibration" ; calibrationAmbientTemp:units = "K" ; calibrationAmbientTemp:resolution = 0.001f ; calibrationAmbientTemp:missing_value = -9999.f ; float calibrationCBBtemp(time) ; calibrationCBBtemp:long_name = "Cold blackbody temperature used in calibration" ; calibrationCBBtemp:units = "K" ; calibrationCBBtemp:resolution = 0.001f ; calibrationCBBtemp:missing_value = -9999.f ; float calibrationHBBtemp(time) ; calibrationHBBtemp:long_name = "Hot blackbody temperature used in calibration" ; calibrationHBBtemp:units = "K" ; calibrationHBBtemp:resolution = 0.001f ; calibrationHBBtemp:missing_value = -9999.f ; float calibratedSceneID(time) ; calibratedSceneID:long_name = "Calibrated scene type identification" ; calibratedSceneID:units = "unitless" ; calibratedSceneID:resolution = 1.f ; calibratedSceneID:missing_value = -9999.f ; float sceneMirPosEncoderMaxDrift(time) ; sceneMirPosEncoderMaxDrift:long_name = "Scene mirror position encoder maximum drift" ; sceneMirPosEncoderMaxDrift:units = "steps" ; sceneMirPosEncoderMaxDrift:resolution = 0.1f ; sceneMirPosEncoderMaxDrift:missing_value = -9999.f ; float wnum(wnum) ; wnum:long_name = "Wave number for downwelling radiance" ; wnum:units = "cm^-1" ; wnum:resolution = 1000000.f ; wnum:missing_value = -9999.f ; wnum:range_of_values = "[520.236847 1799.855560]" ; wnum:independent_interval = "0.482147" ; float mean_rad(time, wnum) ; mean_rad:long_name = "Downwelling radiance interpolated to standard wavenumber scale" ; mean_rad:units = "mW/(m^2 sr cm^-1)" ; mean_rad:resolution = 10000.f ; mean_rad:missing_value = -9999.f ; float wnum2(wnum2) ; wnum2:long_name = "Wave number for sky and hot view\'s radiance variance difference" ; wnum2:units = "cm^-1" ; wnum2:resolution = 1000000.f ; wnum2:missing_value = -9999.f ; wnum2:range_of_values = "[520.236847 2000.102509]" ; wnum2:independent_interval = "0.482198" ; float standard_dev_mean_rad(time, wnum2) ; standard_dev_mean_rad:long_name = "Difference between the sky view\'s radiance variance and the hot black body view\'s variance" ; standard_dev_mean_rad:units = "(mW/(m^2 sr cm^-1))^2" ; standard_dev_mean_rad:resolution = 10000.f ; standard_dev_mean_rad:missing_value = -9999.f ; float missingDataFlag(time) ; missingDataFlag:long_name = "Logical flag indicating that a data record is missing (true/false)" ; missingDataFlag:units = "unitless" ; missingDataFlag:resolution = 1.f ; missingDataFlag:missing_value = -9999.f ; missingDataFlag:flag_values = 0, 1 ; missingDataFlag:flag_meanings = "sample_is_available, sample_is_missing" ; float lat ; lat:long_name = "North latitude" ; lat:units = "degree_N" ; lat:valid_min = -90.f ; lat:valid_max = 90.f ; lat:standard_name = "latitude" ; float lon ; lon:long_name = "East longitude" ; lon:units = "degree_E" ; lon:valid_min = -180.f ; lon:valid_max = 180.f ; lon:standard_name = "longitude" ; float alt ; alt:long_name = "Altitude above mean sea level" ; alt:units = "m" ; alt:standard_name = "altitude" ; // global attributes: :command_line = "aeri_ingest -n aeri -s epc -f M1" ; :process_version = "ingest-aeri-12.1-0.el7" ; :dod_version = "aerich1-b1-2.2" ; :site_id = "epc" ; :facility_id = "M1: Scripps Pier, La Jolla, CA" ; :data_level = "b1" ; :input_source = "/data/collection/epc/epcaeriM1.00/240214F2.CSV" ; :resolution_description = "The resolution field attributes refer to the number of significant digits relative to the decimal point that should be used in calculations. Using fewer digits might result in greater uncertainty. Using a larger number of digits should have no effect and thus is unnecessary. However, analyses based on differences in values with a larger number of significant digits than indicated could lead to erroneous results or misleading scientific conclusions.\n", "\n", "resolution for lat = 0.001\n", "resolution for lon = 0.001\n", "resolution for alt = 1" ; :comment_on_time = "The time assigned to each data point is identical to the Time and timeHHMMSS fields" ; :averaging_interval = "Use sceneViewDuration" ; :Ingest_OHWHIO_version = "OHWHIO v971222x; ingest-libohwhio-2.7-0.el7" ; :Instrument_OHWHIO_version = "$State: Exp $" ; :sampling_interval = "about 16 seconds" ; :dateYYMMDD = "240214 YYMMDD" ; :dateYYMMDD_description = "Observation date" ; :FFOVhalfAngle = "0.023 radians" ; :FFOVhalfAngle_description = "Field of view half angle used in finite FOV correction" ; :originalLaserWavenumber = "15799.730 cm-1" ; :originalLaserWavenumber_description = "Original laser wavenumber assumed for this instrument" ; :outputLaserWavenumber = "15799.000 cm-1" ; :outputLaserWavenumber_description = "Laser wavenumber used in definition of output wavenumber scale" ; :originalInterferogramSize = "8192 32-bit words" ; :originalInterferogramSize_description = "Size of buffer holding initial spectrum" ; :expandedInterferogramSize = "131072 32-bit words" ; :expandedInterferogramSize_description = "Size of buffer holding expanded spectrum before interpolation" ; :serial_number = "106" ; :datastream = "epcaerich1M1.b1" ; :history = "created by user dsmgr on machine prod-proc4.adc.arm.gov at 2024-02-15 00:28:52, using ingest-aeri-12.1-0.el7" ; }