netcdf olirlproffex1thorM1.c0.20191027.000000 { dimensions: time = UNLIMITED ; // (720 currently) height_high = 667 ; height_low = 288 ; variables: int base_time ; base_time:string = "2019-10-27 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" ; base_time:ancillary_variables = "time_offset" ; double time_offset(time) ; time_offset:long_name = "Time offset from base_time" ; time_offset:units = "seconds since 2019-10-27 00:00:00 0:00" ; time_offset:ancillary_variables = "base_time" ; double time(time) ; time:long_name = "Time offset from midnight" ; time:units = "seconds since 2019-10-27 00:00:00 0:00" ; time:calendar = "gregorian" ; time:standard_name = "time" ; float height_high(height_high) ; height_high:long_name = "Height above ground level for the high (NFOV) channels" ; height_high:units = "km" ; height_high:standard_name = "height" ; height_high:comment = "Heights correspond to the middle of the bin" ; float height_low(height_low) ; height_low:long_name = "Height above ground level for the low (WFOV) channels" ; height_low:units = "km" ; height_low:standard_name = "height" ; height_low:comment = "Heights correspond to the middle of the bin" ; int qc_profile(time) ; qc_profile:long_name = "QC variable for the time profile measurements derived from rlmerge data" ; qc_profile:units = "1" ; qc_profile:description = "This variable contains bit-packed integer values, where each bit represents a QC test on the data. Non-zero bits indicate the QC condition given in the description for those bits; a value of 0 (no bits set) indicates the data has not failed any QC tests." ; qc_profile:flag_masks = 1, 2 ; qc_profile:flag_meanings = "profile_missing hatch_closed" ; qc_profile:flag_method = "bit" ; qc_profile:bit_1_description = "Profile is missing (i.e. no initial rlmerge data/photon counts for this time)" ; qc_profile:bit_1_assessment = "Bad" ; qc_profile:bit_2_description = "Raman lidar hatch is closed" ; qc_profile:bit_2_assessment = "Bad" ; int feature_mask(time, height_high) ; feature_mask:long_name = "Feature mask" ; feature_mask:units = "1" ; feature_mask:comment = "If no bits are set, then no feature" ; feature_mask:flag_masks = 1, 2, 4, 8, 16, 32, 64 ; feature_mask:flag_meanings = "feature aerosol cloud rain_or_virga liquid_cloud ice_cloud horizontally_oriented_ice" ; feature_mask:bit_1_description = "feature (any type)" ; feature_mask:bit_2_description = "aerosol" ; feature_mask:bit_3_description = "cloud (any phase)" ; feature_mask:bit_4_description = "rain or virga" ; feature_mask:bit_5_description = "liquid cloud" ; feature_mask:bit_6_description = "ice cloud (any orientation)" ; feature_mask:bit_7_description = "horizontally oriented ice" ; feature_mask:ancillary_variables = "source_feature_mask qc_profile" ; int source_feature_mask(time, height_high) ; source_feature_mask:long_name = "Source for variable: Feature mask" ; source_feature_mask:units = "1" ; source_feature_mask:description = "This variable contains bit-packed integer values, where each bit represents a source of the data. Non-zero bits indicate the source used in the description for those bits." ; source_feature_mask:flag_masks = 1, 2, 4, 8 ; source_feature_mask:flag_meanings = "detected_in_scattering_ratio_e_n2 scattering_ratio_e depolarization_ratio scattering_ratio_e_n2_low" ; source_feature_mask:flag_method = "bit" ; source_feature_mask:bit_1_description = "Feature detected in detected in scattering_ratio_e_n2" ; source_feature_mask:bit_2_description = "Feature detected in scattering_ratio_e" ; source_feature_mask:bit_3_description = "Feature detected in depolarization ratio" ; source_feature_mask:bit_4_description = "Feature detected in scattering_ratio_e_n2_low" ; int extinction_flag(time, height_high) ; extinction_flag:long_name = "Bit-wise flag that gives the detailed processing choices used for extinction" ; extinction_flag:units = "1" ; extinction_flag:flag_masks = 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048 ; extinction_flag:flag_meanings = "smooth_level_1_lidar_ratio_e_n2 smooth_level_2_lidar_ratio_e_n2 smooth_level_3_lidar_ratio_e_n2 smooth_level_4_lidar_ratio_e_n2 smooth_level_5_lidar_ratio_e_n2 smooth_level_6_lidar_ratio_e_n2 smooth_level_1_lidar_ratio_e_n2_low smooth_level_2_lidar_ratio_e_n2_low smooth_level_3_lidar_ratio_e_n2_low smooth_level_4_lidar_ratio_e_n2_low smooth_level_5_lidar_ratio_e_n2_low smooth_level_6_lidar_ratio_e_n2_low" ; extinction_flag:bit_1_description = "smoothing level 1 used in lidar_ratio_e_n2" ; extinction_flag:bit_2_description = "smoothing level 2 used in lidar_ratio_e_n2" ; extinction_flag:bit_3_description = "smoothing level 3 used in lidar_ratio_e_n2" ; extinction_flag:bit_4_description = "smoothing level 4 used in lidar_ratio_e_n2" ; extinction_flag:bit_5_description = "smoothing level 5 used in lidar_ratio_e_n2" ; extinction_flag:bit_6_description = "smoothing level 6 used in lidar_ratio_e_n2" ; extinction_flag:bit_7_description = "smoothing level 1 used in lidar_ratio_e_n2_low" ; extinction_flag:bit_8_description = "smoothing level 2 used in lidar_ratio_e_n2_low" ; extinction_flag:bit_9_description = "smoothing level 3 used in lidar_ratio_e_n2_low" ; extinction_flag:bit_10_description = "smoothing level 4 used in lidar_ratio_e_n2_low" ; extinction_flag:bit_11_description = "smoothing level 5 used in lidar_ratio_e_n2_low" ; extinction_flag:bit_12_description = "smoothing level 6 used in lidar_ratio_e_n2_low" ; float detection_confidence_score_total(time, height_high) ; detection_confidence_score_total:long_name = "Score indicating the confidence in the presence of a feature or clear-sky calculated using the estimated total uncertainty" ; detection_confidence_score_total:units = "1" ; detection_confidence_score_total:comment = "Score varies from 0 to 1. Values approaching 0 indicate the bin is more likely clear-sky. Values approaching 1 indicate the bin in more likely a feature. A value of -1 is assigned where the laser beam is completely attenuated." ; detection_confidence_score_total:missing_value = -9999.f ; detection_confidence_score_total:equation = "1 minus the mean of the overlap probability values of the the low elastic and nitrogen scattering ratio, high elastic and nitrogen scattering ratio, depolarization ratio, and elastic only scattering ratio, but with the noise terms replaced by those including contributions from both random and systematic noise. The systematic noise from the calibration constants and overlap functions are estimated by taking the standard deviation over all bins used to calculate each quantity. Propagation of uncertainty is used to obtain the resulting systematic noise in each ratio. This is then added in quadrature to both the random signal noise in the expected clear-sky ratio and the measured ratio." ; detection_confidence_score_total:ancillary_variables = "qc_profile" ; float detection_confidence_score_random(time, height_high) ; detection_confidence_score_random:long_name = "Score indicating the confidence in the presence of a feature or clear-sky calculated using only the random uncertainty" ; detection_confidence_score_random:units = "1" ; detection_confidence_score_random:comment = "Score varies from 0 to 1. Values approaching 0 indicate the bin is more likely clear-sky. Values approaching 1 indicate the bin in more likely a feature. A value of -1 is assigned where the laser beam is completely attenuated." ; detection_confidence_score_random:missing_value = -9999.f ; detection_confidence_score_random:equation = "1 minus the mean of the overlap probability values of the the low elastic and nitrogen scattering ratio, high elastic and nitrogen scattering ratio, depolarization ratio, and elastic only scattering ratio." ; detection_confidence_score_random:ancillary_variables = "qc_profile" ; float pressure(time, height_high) ; pressure:long_name = "Pressure from radiosonde" ; pressure:units = "hPa" ; pressure:missing_value = -9999.f ; float temperature(time, height_high) ; temperature:long_name = "Temperature from radiosonde" ; temperature:units = "K" ; temperature:missing_value = -9999.f ; float wet_bulb_temperature(time, height_high) ; wet_bulb_temperature:long_name = "Wet bulb temperature from radiosonde relative humidity and temperature" ; wet_bulb_temperature:units = "K" ; wet_bulb_temperature:comment = "Calculated using the empirical fit of Stull JAMC 2011" ; wet_bulb_temperature:missing_value = -9999.f ; float scattering_ratio_e_n2(time, height_high) ; scattering_ratio_e_n2:long_name = "Scattering ratio derived from the high elastic and nitrogen channels" ; scattering_ratio_e_n2:units = "1" ; scattering_ratio_e_n2:missing_value = -9999.f ; scattering_ratio_e_n2:equation = "See equation 15 in paper_1" ; scattering_ratio_e_n2:ancillary_variables = "scattering_ratio_e_n2_uncertainty_random scattering_ratio_e_n2_uncertainty_systematic qc_scattering_ratio_e_n2" ; int qc_scattering_ratio_e_n2(time, height_high) ; qc_scattering_ratio_e_n2:long_name = "Quality check results on variable: Scattering ratio derived from the high elastic and nitrogen channels" ; qc_scattering_ratio_e_n2:units = "1" ; qc_scattering_ratio_e_n2:standard_name = "quality_flag" ; qc_scattering_ratio_e_n2:description = "This variable contains bit-packed integer values, where each bit represents a QC test on the data. Non-zero bits indicate the QC condition given in the description for those bits; a value of 0 (no bits set) indicates the data has not failed any QC tests." ; qc_scattering_ratio_e_n2:fail_min = -1000000.f ; qc_scattering_ratio_e_n2:fail_max = 1000000.f ; qc_scattering_ratio_e_n2:flag_method = "bit" ; qc_scattering_ratio_e_n2:bit_1_description = "Value is equal to missing_value" ; qc_scattering_ratio_e_n2:bit_1_assessment = "Bad" ; qc_scattering_ratio_e_n2:bit_2_description = "Value is less than fail_min" ; qc_scattering_ratio_e_n2:bit_2_assessment = "Bad" ; qc_scattering_ratio_e_n2:bit_3_description = "Value is greater than fail_max" ; qc_scattering_ratio_e_n2:bit_3_assessment = "Bad" ; float scattering_ratio_e_n2_uncertainty_random(time, height_high) ; scattering_ratio_e_n2_uncertainty_random:long_name = "Random uncertainty in scattering_ratio_e_n2" ; scattering_ratio_e_n2_uncertainty_random:units = "1" ; scattering_ratio_e_n2_uncertainty_random:comment = "The random uncertainty for the high elastic and nitrogen channel scattering ratio is propagated from the total elastic channel signal, the nitrogen channel signal, the calibration constant (Eq 16 in paper_1), the ratio of the high to low elastic and nitrogen channel overlap function, and the Rayleigh transmission at the elastic and nitrogen wavelengths, and their random uncertainties." ; scattering_ratio_e_n2_uncertainty_random:missing_value = -9999.f ; float scattering_ratio_e_n2_uncertainty_systematic(time, height_high) ; scattering_ratio_e_n2_uncertainty_systematic:long_name = "Systematic uncertainty in scattering_ratio_e_n2" ; scattering_ratio_e_n2_uncertainty_systematic:units = "1" ; scattering_ratio_e_n2_uncertainty_systematic:comment = "The systematic uncertainty for the high elastic and nitrogen channel scattering ratio is propagated from the total elastic channel signal, the nitrogen channel signal, the calibration constant (Eq 16 in paper_1), the ratio of the high to low elastic and nitrogen channel overlap function, the Rayleigh transmission at the elastic and nitrogen wavelengths, and their systematic uncertainties." ; scattering_ratio_e_n2_uncertainty_systematic:missing_value = -9999.f ; float depolarization_ratio(time, height_high) ; depolarization_ratio:long_name = "Volume linear depolarization ratio" ; depolarization_ratio:units = "1" ; depolarization_ratio:missing_value = -9999.f ; depolarization_ratio:equation = "See equation 20 in paper_1" ; depolarization_ratio:ancillary_variables = "depolarization_ratio_uncertainty_random depolarization_ratio_uncertainty_systematic" ; float depolarization_ratio_uncertainty_random(time, height_high) ; depolarization_ratio_uncertainty_random:long_name = "Random uncertainty in depolarization_ratio" ; depolarization_ratio_uncertainty_random:units = "1" ; depolarization_ratio_uncertainty_random:comment = "The random uncertainty for the depolarization ratio is propagated from the elastic perpendicular channel signal, the elastic parallel channel signal, the elastic perpendicular and parallel channel overlap function, and their random uncertainties" ; depolarization_ratio_uncertainty_random:missing_value = -9999.f ; float depolarization_ratio_uncertainty_systematic(time, height_high) ; depolarization_ratio_uncertainty_systematic:long_name = "Systematic uncertainty in depolarization_ratio" ; depolarization_ratio_uncertainty_systematic:units = "1" ; depolarization_ratio_uncertainty_systematic:comment = "The systematic uncertainty for the depolarization ratio is propagated from the elastic perpendicular channel signal, the elastic parallel channel signal, the elastic perpendicular and parallel channel overlap function, and their systematic uncertainties" ; depolarization_ratio_uncertainty_systematic:missing_value = -9999.f ; float scattering_ratio_e(time, height_high) ; scattering_ratio_e:long_name = "Scattering ratio derived from the high elastic channels" ; scattering_ratio_e:units = "1" ; scattering_ratio_e:missing_value = -9999.f ; scattering_ratio_e:equation = "See equation 18 in paper_1" ; scattering_ratio_e:ancillary_variables = "scattering_ratio_e_uncertainty_random scattering_ratio_e_uncertainty_systematic qc_scattering_ratio_e" ; int qc_scattering_ratio_e(time, height_high) ; qc_scattering_ratio_e:long_name = "Quality check results on variable: Scattering ratio derived from the high elastic channels" ; qc_scattering_ratio_e:units = "1" ; qc_scattering_ratio_e:standard_name = "quality_flag" ; qc_scattering_ratio_e:description = "This variable contains bit-packed integer values, where each bit represents a QC test on the data. Non-zero bits indicate the QC condition given in the description for those bits; a value of 0 (no bits set) indicates the data has not failed any QC tests." ; qc_scattering_ratio_e:fail_min = -1000000.f ; qc_scattering_ratio_e:fail_max = 1000000.f ; qc_scattering_ratio_e:flag_method = "bit" ; qc_scattering_ratio_e:bit_1_description = "Value is equal to missing_value" ; qc_scattering_ratio_e:bit_1_assessment = "Bad" ; qc_scattering_ratio_e:bit_2_description = "Value is less than fail_min" ; qc_scattering_ratio_e:bit_2_assessment = "Bad" ; qc_scattering_ratio_e:bit_3_description = "Value is greater than fail_max" ; qc_scattering_ratio_e:bit_3_assessment = "Bad" ; double scattering_ratio_e_uncertainty_random(time, height_high) ; scattering_ratio_e_uncertainty_random:long_name = "Random uncertainty in scattering_ratio_e" ; scattering_ratio_e_uncertainty_random:units = "1" ; scattering_ratio_e_uncertainty_random:comment = "The random uncertainty for elastic only channel scattering ratio is propagated from the total high channel elastic signal, the expected molecular signal, the calibration constant for the elastic channel (Eq 19 in paper_1), the elastic channel overlap function, and their random uncertainties" ; scattering_ratio_e_uncertainty_random:missing_value = -9999. ; double scattering_ratio_e_uncertainty_systematic(time, height_high) ; scattering_ratio_e_uncertainty_systematic:long_name = "Systematic uncertainty in scattering_ratio_e" ; scattering_ratio_e_uncertainty_systematic:units = "1" ; scattering_ratio_e_uncertainty_systematic:comment = "The systematic uncertainty for elastic only channel scattering ratio is propagated from the total high channel elastic signal, the expected molecular signal, the calibration constant for the elastic channel (Eq 19 in paper_1), the elastic channel overlap function, and their systematic uncertainties" ; scattering_ratio_e_uncertainty_systematic:missing_value = -9999. ; float scattering_ratio_e_n2_low(time, height_low) ; scattering_ratio_e_n2_low:long_name = "Scattering ratio derived from the low elastic and nitrogen channels" ; scattering_ratio_e_n2_low:units = "1" ; scattering_ratio_e_n2_low:missing_value = -9999.f ; scattering_ratio_e_n2_low:equation = "See equation 17 in paper_1" ; scattering_ratio_e_n2_low:ancillary_variables = "scattering_ratio_e_n2_low_uncertainty_random scattering_ratio_e_n2_low_uncertainty_systematic qc_scattering_ratio_e_n2_low" ; int qc_scattering_ratio_e_n2_low(time, height_low) ; qc_scattering_ratio_e_n2_low:long_name = "Quality check results on variable: Scattering ratio derived from the low elastic and nitrogen channels" ; qc_scattering_ratio_e_n2_low:units = "1" ; qc_scattering_ratio_e_n2_low:standard_name = "quality_flag" ; qc_scattering_ratio_e_n2_low:description = "This variable contains bit-packed integer values, where each bit represents a QC test on the data. Non-zero bits indicate the QC condition given in the description for those bits; a value of 0 (no bits set) indicates the data has not failed any QC tests." ; qc_scattering_ratio_e_n2_low:fail_min = -1000000.f ; qc_scattering_ratio_e_n2_low:fail_max = 1000000.f ; qc_scattering_ratio_e_n2_low:flag_method = "bit" ; qc_scattering_ratio_e_n2_low:bit_1_description = "Value is equal to missing_value" ; qc_scattering_ratio_e_n2_low:bit_1_assessment = "Bad" ; qc_scattering_ratio_e_n2_low:bit_2_description = "Value is less than fail_min" ; qc_scattering_ratio_e_n2_low:bit_2_assessment = "Bad" ; qc_scattering_ratio_e_n2_low:bit_3_description = "Value is greater than fail_max" ; qc_scattering_ratio_e_n2_low:bit_3_assessment = "Bad" ; float scattering_ratio_e_n2_low_uncertainty_random(time, height_low) ; scattering_ratio_e_n2_low_uncertainty_random:long_name = "Random uncertainty in scattering_ratio_e_n2_low" ; scattering_ratio_e_n2_low_uncertainty_random:units = "1" ; scattering_ratio_e_n2_low_uncertainty_random:comment = "The random uncertainty for the low elastic and nitrogen channel scattering ratio is propagated from the low elastic channel signal, the low nitrogen channel signal, the calibration constant (Eq 16 in paper_1), the low elastic channel overlap function, the low nitrogen channel overlap function, the Rayleigh transmission at the elastic and nitrogen wavelengths, and their random uncertainties." ; scattering_ratio_e_n2_low_uncertainty_random:missing_value = -9999.f ; float scattering_ratio_e_n2_low_uncertainty_systematic(time, height_low) ; scattering_ratio_e_n2_low_uncertainty_systematic:long_name = "Maximum systematic uncertainty in scattering_ratio_e_n2_low" ; scattering_ratio_e_n2_low_uncertainty_systematic:units = "1" ; scattering_ratio_e_n2_low_uncertainty_systematic:comment = "The systematic uncertainty for the low elastic and nitrogen channel scattering ratio is propagated from the low elastic channel signal, the low nitrogen channel signal, the calibration constant (Eq 16 in paper_1), the low elastic channel overlap function, the low nitrogen channel overlap function, the Rayleigh transmission at the elastic and nitrogen wavelengths, and their systematic uncertainties." ; scattering_ratio_e_n2_low_uncertainty_systematic:missing_value = -9999.f ; float particulate_backscatter_be(time, height_high) ; particulate_backscatter_be:long_name = "Best-estimate of the particulate backscatter coefficient" ; particulate_backscatter_be:units = "1/(km*sr)" ; particulate_backscatter_be:missing_value = -9999.f ; particulate_backscatter_be:ancillary_variables = "particulate_backscatter_be_uncertainty_random particulate_backscatter_be_uncertainty_systematic source_particulate_backscatter_be" ; int source_particulate_backscatter_be(time, height_high) ; source_particulate_backscatter_be:long_name = "Source for variable: Best-estimate of the particulate backscatter coefficient" ; source_particulate_backscatter_be:units = "1" ; source_particulate_backscatter_be:flag_values = 1, 2, 4 ; source_particulate_backscatter_be:description = "This variable contains integer values which should be interpreted as listed." ; source_particulate_backscatter_be:flag_meanings = "low_channel_raman_method_backscatter high_channel_raman_method_backscatter elastic_backscatter_from_fernand_solution" ; source_particulate_backscatter_be:flag_method = "integer" ; source_particulate_backscatter_be:flag_1_description = "The best estimate particulate backscatter is the low channel Raman method backscatter ( particulate_backscatter_e_n2_low)" ; source_particulate_backscatter_be:flag_2_description = "The best estimate particulate backscatter is the high channel Raman method backscatter ( particulate_backscatter_e_n2)" ; source_particulate_backscatter_be:flag_4_description = "The best estimate particulate backscatter is the elastic backscatter from the Fernand solution ( particulate_backscatter_e_beS)" ; float particulate_backscatter_be_uncertainty_random(time, height_high) ; particulate_backscatter_be_uncertainty_random:long_name = "Random uncertainty in particulate_backscatter_be" ; particulate_backscatter_be_uncertainty_random:units = "1/(km*sr)" ; particulate_backscatter_be_uncertainty_random:comment = "The random uncertainty for the particulate_backscatter_be is equal to the random uncertainty of the source of the particulate_backscatter_be variable as flagged in source_particulate_backscatter_be." ; particulate_backscatter_be_uncertainty_random:missing_value = -9999.f ; float particulate_backscatter_be_uncertainty_systematic(time, height_high) ; particulate_backscatter_be_uncertainty_systematic:long_name = "Maximum systematic uncertainty in particulate_backscatter_be" ; particulate_backscatter_be_uncertainty_systematic:units = "1/(km*sr)" ; particulate_backscatter_be_uncertainty_systematic:comment = "The systematic uncertainty for the particulate_backscatter_be is equal to the systematic uncertainty of the source of the particulate_backscatter_be variable as flagged in source_particulate_backscatter_be." ; particulate_backscatter_be_uncertainty_systematic:missing_value = -9999.f ; float lidar_ratio_be(time, height_high) ; lidar_ratio_be:long_name = "Best-estimate of the lidar ratio" ; lidar_ratio_be:units = "sr" ; lidar_ratio_be:comment = "Combination of: lidar_ratio_e_n2_low + lidar_ratio_e_n2 + interpolated + transmission-loss + profile/object/daily averaged + assumed lidar ratios as noted in source_lidar_ratio_be" ; lidar_ratio_be:missing_value = -9999.f ; lidar_ratio_be:ancillary_variables = "lidar_ratio_be_uncertainty_random lidar_ratio_be_uncertainty_systematic source_lidar_ratio_be" ; int source_lidar_ratio_be(time, height_high) ; source_lidar_ratio_be:long_name = "Source for variable: Best-estimate of the lidar ratio" ; source_lidar_ratio_be:units = "1" ; source_lidar_ratio_be:flag_values = 1, 2, 4, 8, 16, 32, 64, 128, 256, 512 ; source_lidar_ratio_be:description = "This variable contains integer values which should be interpreted as listed." ; source_lidar_ratio_be:flag_meanings = "low_channel_lidar_ratio high_channel_lidar_ratio interpolated fernald_solution_constrained_by_sum fernald_solution_constrained_by_transmission-loss layer-averaged object-averaged profile-averaged daily-averaged assumed_values" ; source_lidar_ratio_be:flag_method = "integer" ; source_lidar_ratio_be:flag_1_description = "The best estimate lidar ratio is the low channel lidar ratio ( lidar_ratio_e_n2_low)" ; source_lidar_ratio_be:flag_2_description = "The best estimate lidar ratio is the high channel lidar ratio ( lidar_ratio_e_n2)" ; source_lidar_ratio_be:flag_4_description = "The best estimate lidar ratio is interpolated" ; source_lidar_ratio_be:flag_8_description = "The best estimate lidar ratio is the Fernald solution constrained by the sum of the low elastic channnel lidar ratio, the high elastic channel lidar ratio, the interpolated solution, and the transmission-loss" ; source_lidar_ratio_be:flag_16_description = "The best estimate lidar ratio is the Fernald solution constrained by the transmission-loss" ; source_lidar_ratio_be:flag_32_description = "The best estimate lidar ratio is layer-averaged" ; source_lidar_ratio_be:flag_64_description = "The best estimate lidar ratio is object-averaged" ; source_lidar_ratio_be:flag_128_description = "The best estimate lidar ratio is profile-averaged" ; source_lidar_ratio_be:flag_256_description = "The best estimate lidar ratio is daily-averaged" ; source_lidar_ratio_be:flag_512_description = "The best estimate lidar ratio uses the assumed values" ; float lidar_ratio_be_uncertainty_random(time, height_high) ; lidar_ratio_be_uncertainty_random:long_name = "Random uncertainty in lidar_ratio_be" ; lidar_ratio_be_uncertainty_random:units = "sr" ; lidar_ratio_be_uncertainty_random:comment = "The random is propagated from the signal noise, calibration, averaged lidar ratio" ; lidar_ratio_be_uncertainty_random:missing_value = -9999.f ; float lidar_ratio_be_uncertainty_systematic(time, height_high) ; lidar_ratio_be_uncertainty_systematic:long_name = "Maximum systematic uncertainty in lidar_ratio_be" ; lidar_ratio_be_uncertainty_systematic:units = "sr" ; lidar_ratio_be_uncertainty_systematic:comment = "The maximum systematic uncertainty is propagated from the overlap, calibration, assumed lidar ratio, transmission optical depth, averaged lidar ratio" ; lidar_ratio_be_uncertainty_systematic:missing_value = -9999.f ; float extinction_be(time, height_high) ; extinction_be:long_name = "Best-estimate of the particulate extinction coefficient" ; extinction_be:units = "1/km" ; extinction_be:equation = "particulate_backscatter_be * lidar_ratio_be" ; extinction_be:missing_value = -9999.f ; extinction_be:ancillary_variables = "extinction_be_uncertainty_random extinction_be_uncertainty_systematic qc_profile extinction_flag" ; float extinction_be_uncertainty_random(time, height_high) ; extinction_be_uncertainty_random:long_name = "Random uncertainty in extinction_be" ; extinction_be_uncertainty_random:units = "1/km" ; extinction_be_uncertainty_random:comment = "The random uncertainty for the best-estimate of the particulate extinction coefficient is derived from the best-estimate of particulate backscatter coefficient, the best-estimate of the lidar ratio, and their respective random uncertainties." ; extinction_be_uncertainty_random:missing_value = -9999.f ; float extinction_be_uncertainty_systematic(time, height_high) ; extinction_be_uncertainty_systematic:long_name = "Maximum systematic uncertainty in extinction_be" ; extinction_be_uncertainty_systematic:units = "1/km" ; extinction_be_uncertainty_systematic:comment = "The systematic uncertainty for the best-estimate of the particulate extinction coefficient is derived from the best-estimate of particulate backscatter coefficient, the best-estimate of the lidar ratio, and their respective systematic uncertainties." ; extinction_be_uncertainty_systematic:missing_value = -9999.f ; 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 = "rlprof_fex.m -R -D 1 --asynchronous -s oli -f M1 -b 20191027 -e 20191028" ; :Conventions = "ARM-1.3" ; :process_version = "1.6-1.el7" ; :dod_version = "rlproffex1thor-c0-1.1" ; :input_datastreams = "olisondewnpnM1.b1 : 10.13 : 20191023.172900-20191028.233400\n", "olirlprofmerge2newsM1.c0 : 1.1 : 20191023.000006-20191027.000005" ; :site_id = "oli" ; :platform_id = "rlproffex1thor" ; :facility_id = "M1" ; :data_level = "c0" ; :location_description = "North Slope of Alaska (NSA), Oliktok Point, Alaska" ; :datastream = "olirlproffex1thorM1.c0" ; :doi = "10.5439/1373934" ; :smoothing_weight = "2D Gaussian, standard deviation = (window size)/3" ; :smoothing_levels = "smoothing level 1 window: 0.03 km x 2 min; smoothing level 2 window: 0.3 km x 10 min; smoothing level 3 window: 0.6 km x 30 min; smoothing level 4 window: 1.2 km x 60 min; smoothing level 5 window: 2.4 km x 120 min; smoothing level 6 window: 4.8 km x 240 min; " ; :number_iterations = "8" ; :paper_1 = "Thorsen, T.J., Q. Fu, R.K. Newsom, D.D. Turner, and J.M. Comstock, 2015: Automated Retrieval of Cloud and Aerosol Properties from the ARM Raman Lidar. Part I: Feature Detection. J. Atmos. Oceanic Technol., 32, 1977–1998, https://doi.org/10.1175/JTECH-D-14-00150.1" ; :paper_2 = "Thorsen, T.J. and Q. Fu, 2015: Automated Retrieval of Cloud and Aerosol Properties from the ARM Raman Lidar. Part II: Extinction. J. Atmos. Oceanic Technol., 32, 1999–2023, https://doi.org/10.1175/JTECH-D-14-00178.1" ; :history = "created by user cromwell on machine agate at 2022-01-21 22:35:24, using 1.6-1.el7" ; }