38 eMAS Configuration for 25-922 12 Feb 2025 Pacific Ocean 01 01 16 0 0.013969 0.0000 0.451 0.474 0.491 0.100 2026.99 02 02 16 0 0.012271 0.0000 0.533 0.556 0.575 0.100 1876.66 03 03 16 0 0.015586 0.0000 0.634 0.654 0.685 0.100 1552.45 04 04 16 0 0.019340 0.0000 0.684 0.706 0.726 0.100 1406.60 05 05 16 0 0.014782 0.0000 0.726 0.746 0.767 0.100 1270.66 06 06 16 0 0.011989 0.0000 0.807 0.828 0.849 0.100 1056.54 07 07 16 0 0.017110 0.0000 0.849 0.870 0.890 0.100 947.85 08 08 16 0 0.012730 0.0000 0.889 0.910 0.929 0.100 877.93 09 09 16 0 0.007358 0.0000 0.929 0.950 0.970 0.100 799.16 10 10 16 0 0.005404 0.0000 1.595 1.622 1.649 0.010 234.42 11 11 16 0 0.005238 0.0000 1.650 1.678 1.704 0.010 212.11 12 12 16 0 0.005112 0.0000 1.706 1.732 1.758 0.010 188.81 13 13 16 0 0.005406 0.0000 1.760 1.786 1.810 0.010 170.01 14 14 16 0 0.005078 0.0000 1.813 1.834 1.863 0.010 151.88 15 15 16 0 0.005035 0.0000 1.866 1.892 1.914 0.010 138.07 16 16 16 0 0.004900 0.0000 1.917 1.942 1.965 0.010 125.66 17 17 16 0 0.005550 0.0000 1.966 1.990 2.015 0.010 116.30 18 18 16 0 0.004726 0.0000 2.017 2.042 2.067 0.010 106.88 19 19 16 0 0.004290 0.0000 2.068 2.092 2.115 0.010 97.63 20 20 16 0 0.004294 0.0000 2.116 2.140 2.164 0.010 89.46 21 21 16 0 0.004386 0.0000 2.166 2.190 2.214 0.010 82.35 22 22 16 0 0.004731 0.0000 2.215 2.240 2.264 0.010 76.34 23 23 16 0 0.004863 0.0000 2.266 2.290 2.314 0.010 70.10 24 24 16 0 0.004521 0.0000 2.316 2.340 2.364 0.010 64.56 25 25 16 0 0.004833 0.0000 2.366 2.390 2.413 0.010 59.99 26 26 16 1 0.998911 0.0000 3.645 3.715 3.822 0.001 11.14 27 27 16 1 0.998977 0.0000 6.545 6.685 6.790 0.001 1.20 28 28 16 1 0.997831 0.0000 7.127 7.245 7.392 0.001 0.87 29 29 16 1 0.994993 0.0000 8.082 8.215 8.346 0.001 0.53 30 30 16 1 0.993959 0.0000 8.376 8.505 8.637 0.001 0.46 31 31 16 1 0.992055 0.0000 9.565 9.695 9.831 0.001 0.27 32 32 16 1 0.992336 0.0000 10.034 10.165 10.288 0.001 0.23 33 33 16 1 0.992783 0.0000 10.867 10.995 11.132 0.001 0.17 34 34 16 1 0.993801 0.0000 11.869 11.995 12.112 0.001 0.12 35 35 16 1 0.994656 0.0000 12.444 12.565 12.691 0.001 0.10 36 36 16 1 0.995534 0.0000 13.191 13.315 13.439 0.001 0.08 37 37 16 1 0.995823 0.0000 13.475 13.605 13.731 0.001 0.07 38 38 16 1 0.996066 0.0000 13.789 13.925 14.026 0.001 0.07 | | | | | | | | | | | | | | | | | | | | | =(!) | | | | | | | | | =-Scale Factor | | | | | | | | =- Right 50% spectral response | | | | | | | =-Peak 100% spectral response (microns) | | | | | | =-Left 50% spectral response (microns) | | | | | =-Calibration intercept (only used for visible bands) | | | | =--------Calibration slope (only used for visible bands 1-25) | | | | Blackbody emmissivity (only used for IR bands 26-38) | | | =----------0 => visible band, 1 => thermal infrared band" | | =-------------Number of bits in this channel (8 or 16) | =----------------Spectral band assigned to this channel =------------------------- Channel number (!) Sensor weighted solar spectral irradiance (Watts/meter2/micron) at mean Earth-Sun distance. Reference TSIS-1 Hybrid Solar Reference Spectrum NOTE: Factor in column 10 is used to scale radiances in calibrated data by the following method: value_stored = int( radiance / factor ) for each channel ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ Title Enhanced MODIS Airborne Simulator(eMAS) Level-1B Data Sensor_ID_Code EI 179 EMAS ExperimentName GLOVE CampaignName GLOVE AircraftPlatform NASA ER2 (809) NavFormatCode POS (C-3) LocationCode Global Pos (GPS) AltitudeCode Global Pos (GPS) CalibrationVersion Version 1.0 Calibration CalibrationName GLOVE_011325_022625-0125-0325 SRF_Dataset /calibration/calibrat/eMAS/srf/Mar_25/ SRF_FTP https://asapdata.arc.nasa.gov/emas/data/srf/Mar_25_srf.html NavDataSource Applanix POSAV 510 NavDataPath /archive/nav/2025/er2/bet250212 TbackBand 33, 273.1 GranuleVersion 2.0 MetadataVersion 1.0 GeoLocationProcess MasterGeo (3.0-D) MGeoControlFilePath Geo90m_utm11.txt FlightComment MWIR Band (3.7um) severely degraded ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ Conversion from counts to radiance in VIS and NIR channels is rad = (count - (cbb_avg)) * slope where, rad = radiance cbb_avg = cold black body counts (running average) slope = from column 7 in above table count = count value ******************************************************* IR Emissivity Correction (from MAS-50{adopted for eMAS}) >From Chris Moeller (UWisc) and Simon Hook (JPL) ******************************************************* This is done in 2 steps: 1. Get the Channel 33 scan head count and convert it to a brightness temperature using UWisc subroutine TEMBCK.F (from Liam Gumley (UWisc)) 2. Use the scanhead temperature and the cold and warm black body counts/temperatures for computing the corrected slope and intercept for all IR bands. Blackbody Emissivity Coefficients Vanta Black plates Hemispherical Reflectance (JPL) 2/24 Convolved with eMAS SRFs (ARC) 1/25 Values in the form Wavelength, Emissivity ******************************************************* ******************************************************* Config creation date: March 31, 2025