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 20 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 0 CH4 12 40744 392500 15 648 -729 10699 22 41461 383800 13 633 -737 10699 33 41992 425200 36 622 -743 10689 41 42727 420700 25 607 -752 10689 54 43320 442100 18 594 -760 10689 64 43899 486000 51 582 -767 10689 75 44656 497000 34 566 -777 10699 90 45364 506400 42 551 -787 11310 105 45832 492500 32 541 -794 11300 114 46408 464800 32 529 -802 11310 127 46903 501400 23 519 -809 11310 138 47511 510900 95 506 -817 11310 153 CO2 3 44435 145500000 88 571 -774 10689 86 46083 138400000 53 536 -798 11300 120 47313 146200000 49 510 -815 11310 148 ClONO2 2 41019 694 300 642 -732 10689 26 42300 503 400 616 -747 10689 47 H2O 10 41992 1158000 107 622 -743 10689 41 42727 1172000 48 607 -752 10689 54 43329 1236000 139 594 -760 10689 65 43899 1414000 76 582 -767 10689 75 44656 1502000 107 566 -777 10699 90 45364 1894000 98 551 -787 11310 105 45832 1686000 95 541 -794 11300 114 46417 1841000 123 529 -802 11310 127 46894 1919000 143 519 -809 11310 138 47511 1817000 115 506 -817 11310 153 HCl 12 40784 300 12 647 -729 10689 22 41500 284 68 632 -737 10699 33 42032 310 41 621 -743 10699 42 42766 316 169 606 -752 10699 55 43360 318 51 593 -760 10689 65 43939 385 127 581 -768 10699 76 44696 366 27 565 -778 10699 91 45404 344 41 550 -788 11310 106 45872 344 19 540 -795 11310 115 46448 343 35 528 -803 11310 128 46934 359 94 518 -809 11310 139 47551 379 182 505 -818 11310 153 HF 12 40680 141 999 649 -728 10689 21 41397 150 999 634 -736 10689 32 41929 136 999 623 -742 10689 40 42661 163 999 608 -751 10689 53 43161 173 999 598 -757 10699 62 43831 172 999 583 -766 10689 74 44593 180 999 568 -776 10689 89 45302 150 999 553 -786 11310 103 45769 114 999 543 -793 11310 113 46339 131 999 530 -801 11310 126 46835 132 999 520 -808 11300 137 47457 116 999 507 -817 11310 151 HNO3 13 40884 3230 999 645 -731 10689 24 40974 3160 999 643 -731 10689 25 41064 3240 999 641 -732 10689 27 41153 3210 999 639 -733 10699 28 42165 2980 999 618 -745 10689 44 42255 3030 999 617 -746 10699 46 42345 2970 999 615 -747 10689 47 42434 3030 999 613 -748 10699 49 44051 3210 999 579 -769 10689 78 44141 3440 999 577 -770 10689 80 44230 3100 999 575 -772 10689 82 45512 2420 999 548 -789 16729 108 47046 2820 999 516 -811 11310 142 N2O 6 40845 55510 62 646 -730 10689 23 42126 59700 96 619 -744 10689 44 44011 63860 73 580 -769 10689 78 45472 68780 75 549 -789 11300 107 47006 70490 94 516 -811 11310 141 47638 73610 90 503 -819 11310 156 NO 3 41632 177 335 630 -738 10699 36 42901 229 328 603 -754 10689 57 44833 264 227 562 -780 10859 94 NO2 6 41256 77 163 637 -734 10689 30 42542 90 107 611 -749 10699 51 44356 107 126 573 -773 10689 84 45627 109 231 546 -791 11310 110 46233 115 192 533 -800 11300 123 47146 122 223 513 -812 11300 144 O3 13 40884 1196000 999 645 -731 10689 24 40974 1211000 999 643 -731 10689 25 41064 1206000 999 641 -732 10689 27 41153 1216000 999 639 -733 10699 28 42165 1217000 999 618 -745 10689 44 42255 1217000 999 617 -746 10699 46 42345 1216000 999 615 -747 10689 47 42434 1239000 999 613 -748 10699 49 44051 1214000 999 579 -769 10689 78 44141 1220000 999 577 -770 10689 80 44230 1228000 999 575 -772 10689 82 45512 1248000 999 548 -789 16729 108 47046 1100000 999 516 -811 11310 142