74 1001 ELKINS, JAMES; WAMSLEY, PAULA; HURST, DALE; ROMASHKIN, PAVEL; DUTTON, GEOFF U.S. DEPT OF COMMERCE, NOAA / CMDL / NITROUS OXIDE AND HALOCOMPOUNDS DIVISION ACATS ASHOE/MAESA 1 1 1994 10 20 1998 08 07 0 ELAPSED TIME IN SECONDS FROM 00:00:00 GMT ON SAMPLE DATE 7 1.0 1.0 1.0 1.0 1.0 1.0 1.0 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 Mean Age of Air (year) Total Br (ppt) Total Organic Br (ppt) Total Inorganic Br (ppt) Total Cl (ppb) Total Organic Cl (ppb) Total Inorganic Cl (ppb) 52 Total chlorine and bromine are based on in situ measurements of organic species from either the Airborne Chromatograph for Atmospheric Trace Species (ACATS-IV) [see Elkins et al., 1996] or the Lightweight Airborne Chromatograph Experiment (LACE). Mean age of the air in years from the tropical tropopause is calculated using tropospheric trends from Geller et al., [1997] and a formula from Volk et al., [1997]. Total chlorine calculations are based on total chlorine from Montzka et al., [1996] and model generated correlations from Woodbridge et al. [1995] are used for the missing chlorine species, HCFC-22 and CH3Cl. Total bromine calculations are from Wamsley et al., [1997] where missing bromine organic species (CH3Br, halon-2402, halon-1301, CH2Cl2, and CH2BrCl) are calculated from correlations of NCAR WAS data versus CFC-11 are used. All values derived from theta < 380 were excluded, because of influence from the troposphere. All calculations of total halogen and inorganic halogen assume no inorganic input from the troposphere (Cly, Bry=0). References: Elkins, J. W., D. W. Fahey, J. M. Gilligan, G. S. Dutton, T. J. Baring, C. M. Volk, R. E. Dunn, R. C. Myers, S. A. Montzka, P. R. Wamsley, A. H. Hayden, J. H. Butler, T. M. Thompson, T. H. Swanson, E. J. Dlugokencky, P. C. Novelli, D. F. Hurst, J. M. Lobert, S. J. Ciciora, R. J. McLaughlin, T. L. Thompson, R. H. Winkler, P. J. Fraser, L. P. Steele and M. P. Lucarelli, Airborne gas chromatograph for in situ measurements of long-lived species in the upper troposphere and lower stratosphere, Geophysical Research Letters, 23, 347-350, 1996 Geller, L. S., J. W. Elkins, J. M. Lobert, A. D. Clarke, D. F. Hurst, J. H. Butler and R. C. Myers, Tropospheric SF6: Observed latitudinal distribution and trends, derived emissions and interhemispheric exchange time, Geophysical Research Letters, 24, 1997. Montzka, S.A., J.H. Butler, R.C. Myers, T.M. Thompson, T.H. Swanson, A.D. Clarke, L.T. Lock, J.W. Elkins, Decline in the tropospheric abundance of halogen from halocarbons: Implications for stratospheric ozone depletion., Science, 272, 1318-1322, 1996. Volk, C. M., J. W. Elkins, D. W. Fahey, G. S. Dutton, J. M. Gilligan, M. Loewenstein, J. R. Podolske, K. R. Chan, and M. R. Gunson, Evaluation of source gas lifetimes from stratospheric observations, Journal of Geophysical Research, 102, 25543-64,1997. Wamsley, P. R., J. W. Elkins, D. W. Fahey, G. S. Dutton, C. M. Volk, R. C. Myers, S. A. Montzka, J. H. Butler, A. D. Clarke, P. J. Fraser, L. P. Steele, M. P. Lucarelli, E. L. Atlas, S. M. Schauffler, D. R. Blake, F. S. Rowland, W. T. Sturges, J. M. Lee, S. A. Penkett, A. Engel, R. M. Stimpfle, K. R. Chan, D. K. Weisenstein, M. K. W. Ko and R. J. Salawitch, Distribution of halon-1211 in the upper troposphere and lower stratosphere and the 1994 total bromine budget, Journal of Geophysical Research, 103, 1513-26, 1998. Woodbridge, E. L., J. W. Elkins, D. W. Fahey, L. E. Heidt, S. Solomon, T. J. Baring T. M. Gilpin, W. H. Pollock, S. M. Schauffler, E. L. Atlas, M. Loewenstein, J. R. Podolske, C. R. Webster, R. D. May, J. M. Gilligan, S. A. Montzka, K. A. Boering and R. J. Salawitch, Estimates of total organic and inorganic chlorine in the lower stratosphere from in situ and flask measurements, Journal of Geophysical Research, 100, 3057-3064, 1995. 1 GMTs Age TotalBr CBry Bry TotalCl CCly Cly 77801 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 77981 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 78161 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 78341 9999.00 9999.000 14.935 9999.000 9999.000 3.198 9999.000 78701 2.43 17.438 10.933 6.505 3.517 2.758 0.758 78881 2.66 17.357 9.233 8.124 3.505 2.528 0.977 79061 2.99 17.242 8.999 8.243 3.488 2.487 1.001 79241 2.82 17.302 8.530 8.773 3.497 2.430 1.067 79601 2.84 17.295 8.485 8.810 3.496 2.426 1.070 79781 3.16 17.181 8.214 8.967 3.478 2.383 1.095 79961 2.91 17.270 8.077 9.193 3.492 2.378 1.115 80141 3.39 17.098 7.582 9.517 3.464 2.288 1.176 80501 3.56 17.035 5.462 11.573 3.452 1.944 1.509 80681 3.57 17.031 5.586 11.445 3.452 1.972 1.480 80861 3.62 17.013 5.482 11.531 3.449 1.946 1.503 81041 3.63 17.009 5.368 11.641 3.448 1.930 1.518 81401 3.67 16.994 5.202 11.792 3.445 1.902 1.543 81581 3.92 16.904 5.099 11.804 3.428 1.884 1.544 81761 3.87 16.922 4.514 12.409 3.431 1.770 1.661 82301 4.04 16.859 4.941 11.918 3.419 1.858 1.561 82481 3.66 16.999 5.265 11.734 3.446 1.915 1.531 82661 4.16 16.814 4.734 12.080 3.410 1.806 1.604 82841 3.77 16.959 4.874 12.085 3.438 1.854 1.585 83201 3.49 17.063 5.881 11.182 3.458 2.027 1.430 83381 3.74 16.970 5.680 11.290 3.440 1.992 1.449 83561 3.69 16.989 5.143 11.846 3.444 1.895 1.549 84101 4.04 16.859 4.227 12.632 3.419 1.726 1.693 84281 3.90 16.911 4.376 12.535 3.429 1.754 1.675 84461 3.39 17.098 4.445 12.653 3.464 1.775 1.689 84641 3.83 16.936 4.670 12.265 3.434 1.795 1.639 85001 3.93 16.898 4.280 12.618 3.427 1.738 1.689 85361 3.77 16.959 4.834 12.125 3.438 1.836 1.602 85541 3.68 16.992 4.901 12.090 3.445 1.854 1.591 85901 4.65 16.626 4.677 11.949 3.370 1.804 1.565 86081 3.80 16.946 4.750 12.196 3.436 1.821 1.615 86261 3.98 16.881 4.865 12.016 3.423 1.838 1.586 86441 3.77 16.957 4.875 12.082 3.438 1.837 1.601 86801 3.76 16.963 4.922 12.040 3.439 1.848 1.591 86981 3.74 16.970 4.676 12.293 3.440 1.821 1.620 87161 3.86 16.926 4.621 12.304 3.432 1.783 1.649 87341 3.98 16.881 4.407 12.475 3.423 1.758 1.665 87701 3.86 16.926 4.897 12.029 3.432 1.853 1.579 87881 3.41 17.089 6.125 10.964 3.462 2.073 1.389 88061 3.04 17.222 6.721 10.501 3.485 2.191 1.294 88601 4.05 16.854 3.909 12.944 3.418 1.642 1.776 88781 3.56 17.035 4.911 12.124 3.452 1.865 1.588 88961 3.73 16.974 5.018 11.957 3.441 1.868 1.574 89141 3.56 17.035 4.859 12.176 3.452 1.851 1.602 89501 3.62 17.013 4.576 12.437 3.449 1.810 1.638 89681 3.86 16.925 4.537 12.388 3.432 1.783 1.649 89861 4.40 16.721 3.872 12.849 3.390 1.637 1.753 90041 3.86 16.923 4.573 12.351 3.432 1.783 1.649 90401 5.07 16.465 1.012 15.452 3.333 0.850 2.482 90581 5.29 16.377 0.813 15.564 3.312 0.761 2.551 90761 5.22 16.405 0.679 15.726 3.318 0.670 2.648 90941 6.02 16.082 0.678 15.404 3.236 0.694 2.542 91301 5.61 16.246 0.614 15.632 3.279 0.635 2.644 91481 5.21 16.406 0.653 15.752 3.319 0.656 2.663 91661 5.16 16.428 0.577 15.851 3.324 0.617 2.707 91841 5.23 16.401 0.655 15.746 3.318 0.643 2.674 92201 4.33 16.750 3.016 13.734 3.397 1.393 2.004 92381 4.90 16.529 4.270 12.258 3.348 1.634 1.714 92561 2.03 17.576 12.211 5.365 3.534 2.884 0.650 92741 4.28 16.768 5.096 11.672 3.400 1.774 1.626 93101 4.65 16.626 2.810 13.816 3.370 1.331 2.039 93281 3.57 17.032 5.656 11.376 3.452 1.949 1.503 93461 3.10 17.202 5.620 11.581 3.481 1.954 1.527 94001 3.92 16.904 4.351 12.553 3.428 1.734 1.694 94181 3.92 16.904 3.614 13.290 3.428 1.566 1.862 94361 3.85 16.930 4.598 12.332 3.433 1.783 1.650 94541 4.16 16.814 4.356 12.458 3.410 1.743 1.666 94901 3.33 17.119 4.369 12.750 3.467 1.762 1.705 95081 3.82 16.941 4.678 12.263 3.435 1.796 1.639 95261 3.56 17.035 4.470 12.565 3.452 1.771 1.681 95441 4.25 16.778 3.243 13.535 3.402 1.501 1.902 95801 4.32 16.754 3.060 13.693 3.397 1.451 1.946 95981 4.97 16.504 2.730 13.774 3.342 1.411 1.931 96161 4.35 16.742 2.935 13.806 3.395 1.434 1.961 96341 3.86 16.926 3.691 13.235 3.432 1.625 1.807 96701 3.56 17.035 4.578 12.456 3.452 1.801 1.651 96881 3.91 16.906 4.335 12.571 3.428 1.746 1.682 97061 3.45 17.077 4.407 12.670 3.460 1.768 1.692 97241 4.10 16.837 3.767 13.070 3.415 1.623 1.792 97601 4.18 16.803 3.478 13.326 3.408 1.555 1.852 97781 4.34 16.745 3.439 13.305 3.395 1.570 1.825 97961 4.16 16.815 3.578 13.236 3.410 1.577 1.833 98141 3.74 16.970 3.544 13.426 3.440 1.581 1.859 98501 4.04 16.859 3.563 13.296 3.419 1.599 1.819 98681 4.26 16.776 3.190 13.586 3.402 1.506 1.896 98861 4.53 16.674 3.110 13.564 3.380 1.507 1.874 99401 4.58 16.651 2.207 14.445 3.375 1.269 2.107 99581 4.40 16.721 2.159 14.562 3.390 1.284 2.106 99761 4.65 16.627 2.041 14.586 3.370 1.221 2.149 99941 4.04 16.859 2.001 14.858 3.419 1.224 2.195 100301 4.65 16.626 1.591 15.035 3.370 1.075 2.295 100481 4.85 16.548 1.497 15.051 3.352 1.033 2.319 100661 4.78 16.578 1.366 15.212 3.359 0.990 2.369 100841 4.97 16.502 1.278 15.224 3.341 0.912 2.430 101201 5.07 16.461 0.963 15.498 3.332 0.812 2.519 101381 5.22 16.403 0.877 15.526 3.318 0.803 2.514 101561 5.11 16.446 0.892 15.555 3.328 0.777 2.551 101741 5.16 16.428 0.874 15.554 3.324 0.805 2.519 102101 5.29 16.377 0.917 15.460 3.312 0.814 2.498 102281 5.04 16.473 1.056 15.417 3.335 0.842 2.493 102461 4.10 16.836 2.543 14.294 3.414 1.379 2.035 102641 4.54 16.668 2.354 14.314 3.379 1.294 2.085 103001 4.60 16.647 2.268 14.379 3.374 1.248 2.127 103181 4.34 16.745 2.256 14.488 3.395 1.284 2.111 103361 4.59 16.650 2.216 14.434 3.375 1.244 2.130 103541 4.40 16.721 2.361 14.361 3.390 1.310 2.080 103901 2.10 17.550 9.019 8.531 3.531 9999.000 9999.000 104081 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 104261 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 104441 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000