78 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 10 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) 56 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. ACATS did not measure N2O. To calculate CH3CCl3 ATLAS N2O was used. ACATS did not measure SF6 on this flight. Mean age of air cannot be calculated. ACATS did not measure CH3CCl3. A derived CH3CCl3 from CFC-11 correlation is used in place. 1 GMTs Age TotalBr CBry Bry TotalCl CCly Cly 76116 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 76296 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 76476 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 76836 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 77016 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 77196 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 77556 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 77736 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 77916 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 78276 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 78456 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 78636 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 78996 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 79176 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 79356 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 79716 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 79896 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 80076 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 80436 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 80616 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 80796 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 81336 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 81516 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 81696 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 82056 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 82416 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 82776 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 82956 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 83136 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 83496 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 83856 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 84216 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 84396 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 84576 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 84936 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 85116 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 85296 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 85656 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 85836 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 86016 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 86556 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 86736 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 86916 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 87276 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 87456 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 87636 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 87996 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 88176 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 88356 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 88716 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 88896 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 89076 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 89436 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 89616 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 89796 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 90156 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 90336 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 90516 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 90876 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 91056 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 91236 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 91776 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 91956 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 92136 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 92496 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 92676 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 92856 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 93216 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 93396 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 93576 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 93936 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 94116 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 94296 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 94656 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 94836 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 95016 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 95376 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 95556 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 95736 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 96096 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 96276 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 96456 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 96996 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 97176 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 97356 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 97716 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 97896 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 98076 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 98436 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 98616 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 98796 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 99156 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 99336 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 99516 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 99876 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 100056 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 100236 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 100596 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 100776 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 100956 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 101316 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 101496 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 101676 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 102036 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 102216 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 102396 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 102756 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 102936 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 103116 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 103476 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 103656 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000