88 , 1001 PIs: Dr. Chris Hostetler and Dr. Rich Ferrare Organization: NASA Langley Research Center Instrument Name: NASA HSRL-2 Mission Name: ORACLES 1, 1 2016,09,12 , 2021,04,22 0 UTC_Mid, Second, UTC_Mid_Time 46 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999, -9999 1064_aer_dep, 1064 nm aerosol depolarization ratio, ratio 1064_bsc, 1064 nm aerosol backscatter coefficient, km^-1sr^-1 1064_bsc_Sa, 1064 nm aerosol backscatter ratio used for Sa calculation (averaged similar to extinction coeff.), km^-1sr^-1 1064_bsc_cloud_screened, 1064 nm aerosol backscatter coefficient cloud screened, km^-1sr^-1 1064_bsr, 1064 nm aerosol backscatter scattering ratio, ratio 1064_bsr_cloud_screened, 1064 nm aerosol backscatter scattering ratio cloud screened, ratio 1064_dep, 1064 nm total depolarization ratio, ratio 1064_ext, 1064 nm aerosol extinction coefficient using Sa input values, km^-1 1064_total_attn_bsc, 1064 nm total attenuated backscatter coefficient, km^-1sr^-1 355_AOT_above_cloud, 1064 nm total attenuated backscatter coefficient, km^-1sr^-1 355_AOT_hi, 355 nm Total Optical Thickness (using molecular signal), none 355_AOT_hi_col, 355 nm Cumulative Optical Thickness (using molecular signal, none 355_Sa, aerosol extinction-to-backscatter ratio, sr 355_aer_dep, 355 nm aerosol depolarization ratio, ratio 355_bsc, 355 nm aerosol backscatter coefficient, km^-1sr^-1 355_bsc_Sa, 355 nm aerosol backscatter ratio used for Sa calculation (averaged similar to extinction coeff.), km^-1sr^-1 355_bsc_cloud_screened, 355 nm aerosol backscatter coefficient cloud screened, km^-1sr^-1 355_bsr, 355 nm aerosol backscatter scattering ratio, ratio 355_bsr_cloud_screened, 355 nm aerosol backscatter scattering ratio cloud screened, ratio 355_dep, 355 nm total depolarization ratio, ratio 355_ext, 355 nm aerosol extinction coefficient, km^-1 355_total_attn_bsc, 355 nm total attenuated backscatter coefficient, km^-1sr^-1 532_AOT_above_cloud, 355 nm total attenuated backscatter coefficient, km^-1sr^-1 532_AOT_hi, 532 nm Total Optical Thickness (using molecular signal), none 532_AOT_hi_col, 532 nm Cumulative Optical Thickness (using molecular signal, none 532_Sa, aerosol extinction-to-backscatter ratio, sr 532_aer_dep, 532 nm aerosol depolarization ratio, ratio 532_bsc, 532 nm aerosol backscatter coefficient, km^-1sr^-1 532_bsc_Sa, 532 nm aerosol backscatter ratio used for Sa calcualtion (averaged similar to extinction coeff.), km^-1sr^-1 532_bsc_cloud_screened, 532 nm aerosol backscatter coefficient cloud screened, km^-1sr^-1 532_bsr, 532 nm aerosol backscatter scattering ratio, ratio 532_bsr_cloud_screened, 532 nm aerosol backscatter scattering ratio cloud screened, ratio 532_dep, 532 nm total depolarization ratio, ratio 532_ext, 532 nm aerosol extinction coefficient, km^-1 532_total_attn_bsc, 532 nm total attenuated backscatter coefficient, km^-1sr^-1 Aerosol_ID, HSRL Aerosol Type: 1=Ice, 2=Dusty Mix, 3=Marine, 4=Urban/Pollution, 5=Smoke, 6=Fresh Smoke, 7=Pol. Marine, 8=Dust, None Altitude, Altitude(meters) of data array, m Angstrom_532_355, aerosol angstrom coef VIS UV, ratio Angstrom_Dust, Dust Angstrom Coef, gamma_d, from Sugimoto and Lee, Appl Opt 2006, none Angstrom_Spherical, Spherical Angstrom Coef, gamma_s, from Sugimoto and Lee, Appl Opt 2006, none Dust_Mixing_Ratio, Dust Mixing Ratio, X, as in Sugimoto and Lee, Appl Opt 2006, ratio Mask_cirrus, Dust Mixing Ratio, X, as in Sugimoto and Lee, Appl Opt 2006, ratio WVD_1064_532, aerosol backscatter wavelength dependence IR VIS, ratio WVD_532_355, aerosol backscatter wavelength dependence VIS UV, ratio cloud_top_height, Cloud Identification and cloud top height, km mask_low, Low gain signal limit data mask (NaN where low signal), none 1 SPECIAL_COMMENTS: header only for listing DataProduct variables only 27 NORMAL COMMENT: All data products have been interpolated to the same uniform altitude grid (DataProducts/Altitude) and horizontally averaged or interpolated to the GPS times (Nav_Data/gps_time). Additional information is found as attributes in each scientific data set. PI_CONTACT_INFO: Address: M.S. 420 NASA/LaRC, Hampton, VA, 23681; Email: chris.a.hostetler@nasa.gov, richard.a.ferrare@nasa.gov; Telephone: (757)864-5373, (757)864-9443 PLATFORM: NASA ER-2 LOCATION: GPS latitude, longitude, time, and aircraft altitude included in the nav data records under Nav_Data folder ASSOCIATED_DATA: The atmospheric state products used in the data reduction are from MERRA2 ( http://gmao.gsfc.nasa.gov/). Specific files are identified in the attributes of the /State/ folder. The Global Land One-kilometer Base Elevation (GLOBE) Digital Elevation Model, Version 1.0. provided surface elevation information (see http://www.ngdc.noaa.gov/mgg/topo/globe.html) INSTRUMENT_INFO: Multiwavelength High Spectral Resolution Lidar (HSRL) aerosol/cloud measurements DATA_INFO: https://espoarchive.nasa.gov/archive/browse/oracles UNCERTAINTY: See /DataUncertainty/ folder ULOD_FLAG: -7777 ULOD_VALUE: N/A LLOD_FLAG: -8888 LLOD_VALUE: N/A DM_CONTACT_INFO: sharon.p.burton@nasa.gov, marta.a.fenn@nasa.gov PROJECT_INFO: https://espo.nasa.gov/home/oracles STIPULATIONS_ON_USE: This is a public release of the ORACLES-2016 data set. We strongly recommend that you consult the PI, both for updates to the data set, and for the proper and most recent interpretation of the data for specific science use. OTHER_COMMENTS: See attributes for each scientific data set for description, units, and resolution information. REVISION: R8 R8: Add 355 total attenuated backscatter data production t, and rename ER2_IMU folder to Nav_Data R7: Include uncertainty calculations for 355 and 532 AOT categories R6: Correct 355 nm and 532 nm AOT_hi calculation bug R5: Limit 355 nm and 532 nm extinction and AOT calculations to below 14 km R4: Modify Aerosol Optical Depth in far field R3: Recalculated 355 nm products R2: Corrected Aerosol Optical Depth Calculation R1: Final Data R0: Field Data UTC_Mid, 1064_aer_dep, 1064_bsc, 1064_bsc_Sa, 1064_bsc_cloud_screened, 1064_bsr, 1064_bsr_cloud_screened, 1064_dep, 1064_ext, 1064_total_attn_bsc, 355_AOT_above_cloud, 355_AOT_hi, 355_AOT_hi_col, 355_Sa, 355_aer_dep, 355_bsc, 355_bsc_Sa, 355_bsc_cloud_screened, 355_bsr, 355_bsr_cloud_screened, 355_dep, 355_ext, 355_total_attn_bsc, 532_AOT_above_cloud, 532_AOT_hi, 532_AOT_hi_col, 532_Sa, 532_aer_dep, 532_bsc, 532_bsc_Sa, 532_bsc_cloud_screened, 532_bsr, 532_bsr_cloud_screened, 532_dep, 532_ext, 532_total_attn_bsc, Aerosol_ID, Altitude, Angstrom_532_355, Angstrom_Dust, Angstrom_Spherical, Dust_Mixing_Ratio, Mask_cirrus, WVD_1064_532, WVD_532_355, cloud_top_height, mask_low 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1