63 1001 Timo Keber, Tanja Schuck, Andreas Engel Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, Altenhoeferallee 1, 60438 Frankfurt/Main, Germany HALO | GhOST-MS | mixing ratios of long-lived and very short-lived tracers measured with an in-situ GC-MS instrument WISE 1 1 2017 08 31 2018 03 14 0 Mean sample time in UT seconds past midnight of flight date 10 1 1 1 1 1 1 1 1 1 1 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 H1301 [ppt] H1211 [ppt] H2402 [ppt] H1202 [ppt] CH3Br [ppt] CH2Br2 [ppt] CHBr3 [ppt] CH2BrCl [ppt] CHBrCl2 [ppt] CHBr2Cl [ppt] 37 ------------------------------------------------------------------------ WISE flight 01 on 31.08.2017 PRELIMINARY DATA ------------------------------------------------------------------------ Please inform the authors about the use of the data Before publication, the authors of the data have to give their consent Please adhere in all cases to the WISE data protocol Contact: Andreas Engel (an.engel@iau.uni-frankfurt.de, phone +49 69 798 40259) ------------------------------------------------------------------------ Calibration Scale, Precision, Accuracy and Detection Limit are given separately for each dependent variable Primary calibration reference flasks: "TO-Mutter" (UEA scales), "AGAGE H-218" (all other scales) Calibration Scales SIO-05 SIO-05 SIO-14 UEA-09 SIO-05 NOAA-Jul10-p NOAA-Dec09-p SIO-10-p UEA-11 UEA-11 ------------------------------------------------------------------------ CH3Br derived from H1211 using correlation based on balloon measurements in 2009 and 2011. CH2Br2 and CHBr2Cl derived using correlation from HALO PGS campaign 2015/2016 ------------------------------------------------------------------------ Instrument precision in [%] 0.99 0.49 1.49 7.58 4.22 0.67 2.21 9.16 3.43 2.22 Instrument precision in [ppt] 0.039 0.046 0.005 0.001 0.333 0.012 0.015 0.025 0.002 0.004 Use whatever precision is larger for each data point ------------------------------------------------------------------------ Accuracy of mixing ratios in calibration gas in [%] 0.6 0.3 0.8 25.0 NaN 4.9 17.3 5.8 20.6 6.3 ------------------------------------------------------------------------ Detection limit (S/N 3/1) in [ppt] per 100 mL air at STP 0.050 0.006 0.007 0.006 0.646 0.011 0.086 0.130 0.002 0.002 Values below detection limit are marked as 0.00 In case no measurements are available, the missing data value is used ------------------------------------------------------------------------ Sample integration time: 54 +- 1 seconds Values of t_sample are the mean of the sampling time interval ("integration time") ------------------------------------------------------------------------ Correction of analyte carry-over (memory effect): all substances Detector non-linearity: below measurement precision for all substances, no correction applied ------------------------------------------------------------------------ 2 UTC H1301 H1211 H2402 H1202 CH3Br CH2Br2 CHBr3 CH2BrCl CHBrCl2 CHBr2Cl [s] [ppt] [ppt] [ppt] [ppt] [ppt] [ppt] [ppt] [ppt] [ppt] [ppt] 41288 3.368 3.494 0.415 0.017 8.472 1.103 0.316 3.276 0.207 0.097 41537 3.408 3.458 0.398 0.012 8.388 1.118 0.271 3.466 0.210 0.102 41786 3.400 3.418 0.393 0.014 8.295 1.067 0.309 3.466 0.200 0.107 42035 3.343 3.395 0.394 0.013 8.243 1.038 0.244 3.280 0.195 0.091 42284 3.360 3.364 0.390 0.014 8.173 1.010 0.167 3.585 0.190 0.071 42782 3.372 3.383 0.383 0.012 8.217 0.856 0.192 1.174 0.161 0.070 43032 3.326 3.302 0.373 0.015 8.031 0.836 0.183 1.482 0.157 0.058 43281 3.298 3.286 0.369 0.012 7.994 0.800 0.113 1.619 0.150 0.055 43532 3.445 3.446 0.390 0.012 8.360 0.930 0.215 1.802 0.175 0.074 43781 3.391 3.456 0.393 0.011 8.385 0.900 0.183 1.694 0.169 0.076 44280 99999 3.256 0.377 0.013 7.925 0.811 0.104 1.746 0.152 0.054 44529 3.318 3.392 0.393 0.013 8.238 0.892 0.162 1.610 0.167 0.073 44779 99999 3.484 0.402 0.012 8.450 0.922 0.206 1.576 0.173 0.077 45028 3.409 3.452 0.390 0.014 8.375 0.909 0.184 1.478 0.170 0.072 45277 3.331 3.442 0.391 0.015 8.353 0.858 0.264 0.804 0.161 0.095 45777 3.394 3.457 0.402 0.012 8.386 0.801 0.393 0.276 0.150 0.132 46027 99999 3.527 0.398 0.016 8.550 0.805 0.497 99999 0.151 0.137 46277 3.457 3.488 0.399 0.016 8.458 0.846 0.794 0.310 0.159 0.155 46526 3.445 3.522 0.388 0.015 8.537 0.850 0.859 0.275 0.159 0.160 46777 3.437 3.511 0.395 0.015 8.513 0.821 0.797 0.261 0.154 0.151