63 2160 M. T. Coffey and W. G. Mankin National Center for Atmospheric Research FTIR measurements of total column amounts AASE II 1 1 1992 3 12 1993 7 25 0 6 Time (seconds past 0 UT) Molecule - chemical symbol of molecule reported 6 1.0E13 0.1 0.1 0.1 1.0 0.1 999999999 999 9999 9999 99999 999 Column amount of given molecule above flight alitude (molecules/cm2) Statistical precision (retrievals from different lines) in per cent Latitude (degrees) North positive Longitude (degrees) East positive Altitude of aircraft (meters) Elevation of sun (degrees) 1 0 1.0 999 Number of observations of this molecule on this date 0 36 Infrared spectroscopic observations were made as described in JGR, 94, 11413, 1989. Analyses were done with a variety of methods. For HCl, HF, NO, and NO2, an equivalent width method was used. For CF2Cl2, CH4, C2H6, H2O, N2O, and CO2, an interactive graphical technique for fitting observed and calculated spectra was used. For O3, ClONO2, and HNO3, the SFIT least squares fitting program (Rinsland) was used. Analyses were done by Coffey, Mankin, James Hannigan, and Aaron Goldman. -- Spectral regions used for the fits: CF2Cl2 921 - 923 cm-1 C2H6 2970 - 2995 cm-1 CH4 2920 - 2925, 2970 - 2995 cm-1 ClONO2 780.0 - 780.5 cm-1 CO2 2010 - 2030 cm-1 H2O 2970 - 2995 cm-1 HCl 2920 - 2950 cm-1 HF 4039 cm-1 HNO3 867-870 cm-1 N2O 1180 - 1194 cm-1 NO 1840 - 1920 cm-1 NO2 1600 - 1610 cm-1 O3 1141 - 1144 cm-1 -- For the source gases and ozone the profiles were from Smith, NASA TM 83289. In the arctic region, these profiles were lowered by 4 km. For the other gases, profiles were from JGR, 94, 16597, 1989. Line parameters were from the AFGL92 compilation with update of the chlorine nitrate and nitric acid lines from Aaron Goldman. -- The precision, where reported, is the standard deviation of retrievals made on a number of spectral features, except for ClONO2, where it is an estimate based on the residuals in the fit. -- For the source gases, the column reported is the integrated value above 200 mb for the scaled profile that best matches the observations; thus the effect on the column of changing aircraft altitude is removed. C2H6 0 CF2Cl2 5 25521 113 100 777 157 11909 29 26996 82 100 750 105 11920 45 28866 118 100 715 52 11909 69 30157 128 100 692 21 11920 88 31069 123 100 676 0 11909 103 CH4 6 26763 391700 58 754 113 11909 42 27578 393300 72 739 87 11920 52 28470 452600 53 723 62 11909 63 29074 421200 41 712 46 11920 72 29941 360300 63 696 26 11920 85 30959 366300 59 678 2 11909 101 CO2 1 28077 141200000 46 730 72 11909 58 ClONO2 2 25696 747 300 774 150 11920 31 27216 1180 200 746 98 11920 47 H2O 6 26763 1777000 49 754 113 11909 42 27578 1710000 96 739 87 11920 52 28470 2039000 39 723 62 11909 63 29074 2074000 25 712 46 11920 72 29941 1720000 24 696 26 11920 85 30959 1792000 63 678 2 11909 101 HCl 9 25316 322 52 781 165 11909 27 26081 306 32 767 136 11909 35 26803 278 93 754 111 11920 43 27618 259 39 738 86 11920 52 28510 303 37 722 61 11920 64 29114 303 14 711 46 11909 73 29980 244 83 695 25 11920 86 30398 264 129 688 15 11909 92 30999 264 136 677 1 11909 102 HF 7 25447 123 999 779 160 11920 28 26413 167 999 761 124 11909 38 26915 190 999 752 108 11920 44 27728 171 999 736 82 11920 54 28624 210 999 720 58 11920 66 30091 154 999 693 23 11909 87 30498 146 999 686 13 11920 94 HNO3 12 25561 2900 999 777 156 11920 30 25651 2610 999 775 152 11909 30 25741 2900 999 773 149 11920 31 25830 2940 999 772 144 11920 32 27036 2670 999 749 104 11920 45 27126 2770 999 748 101 11920 46 27216 2940 999 746 98 11920 47 27306 2910 999 744 95 11920 48 27395 2640 999 743 93 11909 49 28906 2740 999 715 51 11920 70 30197 2650 999 692 20 11920 89 31109 2560 999 675 0 11909 104 N2O 5 25521 54020 19 777 157 11909 29 26996 56330 31 750 105 11920 45 28866 56040 25 715 52 11909 69 30157 55010 14 692 21 11920 88 31069 53140 22 676 0 11909 103 NO 3 26542 232 129 759 120 11920 40 27858 304 181 734 79 11920 55 29707 293 55 700 32 11920 81 NO2 4 25972 84 117 769 140 11920 33 27507 98 110 740 89 11909 51 29011 108 49 713 48 11909 71 30299 104 98 690 18 11909 91 O3 12 25561 792200 999 777 156 11920 30 25651 809600 999 775 152 11909 30 25741 798700 999 773 149 11920 31 25830 842700 999 772 144 11920 32 27036 886600 999 749 104 11920 45 27126 876900 999 748 101 11920 46 27216 876700 999 746 98 11920 47 27306 857000 999 744 95 11920 48 27395 853500 999 743 93 11909 49 28906 856000 999 715 51 11920 70 30197 874900 999 692 20 11920 89 31109 912800 999 675 0 11909 104