48 1001 ELKINS, JAMES; HURST, DALE; ROMASHKIN, PAVEL; DUTTON, GEOFF U.S. DEPT OF COMMERCE, NOAA / CMDL / HALOCARBONS AND OTHER ATMOSPHERIC TRACE SPECIES GROUP ACATS SOLVE 1 1 2000 01 27 2000 12 21 0 ELAPSED TIME IN SECONDS FROM 00:00:00 GMT ON SAMPLE DATE 8 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 Mean Age of Air (years) Mean Age Error (1-sd) (years) Total Br (ppt) Total Organic Br (ppt) Total Inorganic Br (ppt) Total Cl (ppb) Total Organic Cl (ppb) Total Inorganic Cl (ppb) 25 The mean age (Age) of each sampled air mass was determined from the corresponding ACATS measurement of SF6 and the documented tropospheric trend of SF6 [Geller et al., 1997] using a variation of the mean age formula in Volk et al. [1997]. We use dG = -0.8 to account for a SF6 calibration scale change. This term no longer represents only a delay from the surface to the tropopause. The mean age error reported is solely based on the SF6 measurement precision and is thus useful in comparing ACATS ages from different flights. Absolute accuracy of the SF6 measurement and any systematic errors in the method used to calculate mean ages are not included. Organic chlorine (CCly) was calculated from ACATS in-situ measurements of CFC-11, CFC-12, CFC-113, CH3CCl3, and CCl4. Contributions to CCly from CH3Cl and HCFC-22 (measured by WAS) were calculated from their correlations with tracers measured by ACATS. Organic bromine (CBry) was calculated from ACATS in-situ measurements of halon-1211. Contributions to CBry from CH3Br, halon-2402, halon-1301, CH2Br2, and CH2BrCl (measured by WAS) were calculated from their correlations with tracers measured by ACATS using the formula in Wamsley et al. [1997]. The total chlorine (TotalCl) and total bromine (TotalBr) content of each sampled air mass was calculated from the documented tropospheric trends of chlorinated and brominated trace gases (e.g., Montzka et al. [1996]) and weighted with a mean age spectrum calculated by Hall & Plumb [1994]. Inorganic chlorine (Cly) and inorganic bromine (Bry) were calculated as TotalCl-CCly and TotalBr-CBry, respectively. Data submitted only for air masses with potential temperature greater than 380 K. 1 GMTs Age AgeERR TotalBr CBry Bry TotalCl CCly Cly 32959 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 33029 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 33099 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 33169 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 33239 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 33309 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 33379 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 33519 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 33589 2.98 0.45 19.097 8.776 10.321 3.442 2.312 1.129 33659 3.69 0.46 18.882 9999.000 9999.000 3.454 9999.000 9999.000 33729 3.86 0.47 18.829 5.311 13.518 3.456 1.839 1.617 33799 4.37 0.43 18.666 9999.000 9999.000 3.461 9999.000 9999.000 33869 3.73 0.47 18.869 7.123 11.746 3.454 2.127 1.327 33939 3.86 0.47 18.829 9999.000 9999.000 3.456 9999.000 9999.000 34079 4.64 0.44 18.585 9999.000 9999.000 3.463 9999.000 9999.000 34149 4.16 0.43 18.734 4.216 14.518 3.460 1.657 1.803 34219 4.68 0.44 18.572 9999.000 9999.000 3.463 9999.000 9999.000 34359 5.30 0.45 18.384 9999.000 9999.000 3.464 9999.000 9999.000 34429 4.77 0.44 18.545 2.717 15.828 3.464 1.391 2.072 34499 4.99 0.45 18.477 9999.000 9999.000 3.464 9999.000 9999.000 34639 5.26 0.45 18.397 9999.000 9999.000 3.464 9999.000 9999.000 34709 5.53 0.46 18.318 1.398 16.921 3.463 1.095 2.368 34779 5.17 0.45 18.424 9999.000 9999.000 3.464 9999.000 9999.000 34849 5.49 0.46 18.331 1.250 17.081 3.463 1.051 2.412 34919 5.39 0.45 18.358 9999.000 9999.000 3.464 9999.000 9999.000 34989 5.17 0.45 18.424 1.197 17.227 3.464 1.046 2.418 35059 5.30 0.45 18.384 9999.000 9999.000 3.464 9999.000 9999.000 35199 5.39 0.45 18.358 9999.000 9999.000 3.464 9999.000 9999.000 35269 5.62 0.46 18.292 1.052 17.240 3.462 0.985 2.478 35339 5.85 0.42 18.226 9999.000 9999.000 3.461 9999.000 9999.000 35409 5.53 0.46 18.318 1.006 17.312 3.463 0.982 2.481 35479 5.53 0.46 18.318 9999.000 9999.000 3.463 9999.000 9999.000 35549 5.21 0.45 18.411 1.066 17.345 3.464 1.009 2.455 35619 5.35 0.45 18.371 9999.000 9999.000 3.464 9999.000 9999.000 35759 5.85 0.42 18.226 9999.000 9999.000 3.461 9999.000 9999.000 35829 6.23 0.42 18.122 0.748 17.375 3.457 0.853 2.604 35899 5.53 0.46 18.318 9999.000 9999.000 3.463 9999.000 9999.000 35969 5.85 0.42 18.226 0.867 17.360 3.461 0.913 2.548 36039 5.26 0.45 18.397 9999.000 9999.000 3.464 9999.000 9999.000 36109 5.67 0.46 18.279 0.650 17.629 3.462 0.840 2.622 36179 5.99 0.42 18.187 9999.000 9999.000 3.460 9999.000 9999.000 36319 5.53 0.46 18.318 9999.000 9999.000 3.463 9999.000 9999.000 36389 5.35 0.45 18.371 0.763 17.608 3.464 0.838 2.625 36459 5.49 0.46 18.331 9999.000 9999.000 3.463 9999.000 9999.000 36529 5.44 0.46 18.345 0.998 17.347 3.463 0.918 2.545 36599 5.21 0.45 18.411 9999.000 9999.000 3.464 9999.000 9999.000 36669 5.35 0.45 18.371 1.341 17.030 3.464 1.046 2.418 36739 5.12 0.45 18.437 9999.000 9999.000 3.464 9999.000 9999.000 36879 4.64 0.44 18.585 9999.000 9999.000 3.463 9999.000 9999.000 36949 4.64 0.44 18.585 2.917 15.668 3.463 1.470 1.993 37019 4.46 0.44 18.639 9999.000 9999.000 3.462 9999.000 9999.000 37159 4.37 0.43 18.666 9999.000 9999.000 3.461 9999.000 9999.000 37229 4.03 0.43 18.775 3.759 15.015 3.458 1.615 1.843 37299 3.94 0.43 18.802 9999.000 9999.000 3.457 9999.000 9999.000 37439 3.82 0.47 18.842 9999.000 9999.000 3.456 9999.000 9999.000 37509 3.65 0.46 18.895 5.429 13.466 3.453 1.908 1.545 37579 3.77 0.47 18.855 9999.000 9999.000 3.455 9999.000 9999.000 37649 3.82 0.47 18.842 5.660 13.182 3.456 1.956 1.499 37719 4.03 0.43 18.775 9999.000 9999.000 3.458 9999.000 9999.000 37789 4.03 0.43 18.775 5.302 13.473 3.458 1.894 1.565 37859 4.16 0.43 18.734 9999.000 9999.000 3.460 9999.000 9999.000 37999 3.86 0.47 18.829 9999.000 9999.000 3.456 9999.000 9999.000 38069 4.03 0.43 18.775 5.302 13.473 3.458 1.896 1.563 38139 3.77 0.47 18.855 9999.000 9999.000 3.455 9999.000 9999.000 38279 4.24 0.43 18.707 9999.000 9999.000 3.460 9999.000 9999.000 38349 3.86 0.47 18.829 5.195 13.633 3.456 1.889 1.567 38419 4.07 0.43 18.761 9999.000 9999.000 3.459 9999.000 9999.000 38559 3.86 0.47 18.829 9999.000 9999.000 3.456 9999.000 9999.000 38629 4.24 0.43 18.707 5.475 13.232 3.460 1.918 1.542 38699 3.90 0.47 18.815 9999.000 9999.000 3.457 9999.000 9999.000 38769 4.37 0.43 18.666 4.341 14.325 3.461 1.727 1.734 38839 4.03 0.43 18.775 9999.000 9999.000 3.458 9999.000 9999.000 38909 4.33 0.43 18.680 4.536 14.144 3.461 1.744 1.718 38979 4.46 0.44 18.639 9999.000 9999.000 3.462 9999.000 9999.000 39119 3.94 0.43 18.802 9999.000 9999.000 3.457 9999.000 9999.000 39189 4.07 0.43 18.761 5.398 13.363 3.459 1.882 1.576 39259 3.69 0.46 18.882 9999.000 9999.000 3.454 9999.000 9999.000 39329 3.35 0.46 18.987 6.473 12.513 3.449 2.036 1.413 39399 3.82 0.47 18.842 9999.000 9999.000 3.456 9999.000 9999.000 39469 3.48 0.46 18.948 6.490 12.458 3.451 2.037 1.414 39539 3.19 0.45 19.037 9999.000 9999.000 3.446 9999.000 9999.000 39679 3.48 0.46 18.948 9999.000 9999.000 3.451 9999.000 9999.000 39749 3.19 0.45 19.037 6.888 12.149 3.446 2.113 1.333 39819 3.77 0.47 18.855 9999.000 9999.000 3.455 9999.000 9999.000 39959 3.52 0.46 18.935 9999.000 9999.000 3.451 9999.000 9999.000 40029 3.60 0.46 18.909 6.483 12.425 3.453 2.055 1.397 40099 3.77 0.47 18.855 9999.000 9999.000 3.455 9999.000 9999.000 40239 3.99 0.43 18.788 9999.000 9999.000 3.458 9999.000 9999.000 40309 3.48 0.46 18.948 6.269 12.678 3.451 2.023 1.428 40379 3.73 0.47 18.869 9999.000 9999.000 3.454 9999.000 9999.000 40449 4.03 0.43 18.775 5.955 12.819 3.458 1.989 1.469 40519 3.65 0.46 18.895 9999.000 9999.000 3.453 9999.000 9999.000 40589 3.60 0.46 18.909 5.547 13.361 3.453 1.936 1.517 40659 4.03 0.43 18.775 9999.000 9999.000 3.458 9999.000 9999.000 40799 3.77 0.47 18.855 9999.000 9999.000 3.455 9999.000 9999.000 40869 4.11 0.43 18.748 5.211 13.536 3.459 1.878 1.581 40939 4.16 0.43 18.734 9999.000 9999.000 3.460 9999.000 9999.000 41009 3.90 0.47 18.815 4.815 14.000 3.457 1.817 1.639 41079 4.11 0.43 18.748 9999.000 9999.000 3.459 9999.000 9999.000 41149 4.46 0.44 18.639 4.524 14.115 3.462 1.783 1.679 41219 4.16 0.43 18.734 9999.000 9999.000 3.460 9999.000 9999.000 41359 4.37 0.43 18.666 9999.000 9999.000 3.461 9999.000 9999.000 41429 4.33 0.43 18.680 3.926 14.753 3.461 1.683 1.778 41499 4.37 0.43 18.666 9999.000 9999.000 3.461 9999.000 9999.000 41639 4.55 0.44 18.612 9999.000 9999.000 3.463 9999.000 9999.000 41709 3.99 0.43 18.788 4.768 14.020 3.458 1.837 1.620 41779 3.77 0.47 18.855 9999.000 9999.000 3.455 9999.000 9999.000 41919 4.03 0.43 18.775 9999.000 9999.000 3.458 9999.000 9999.000 41989 4.07 0.43 18.761 5.939 12.822 3.459 1.985 1.474 42059 4.11 0.43 18.748 9999.000 9999.000 3.459 9999.000 9999.000 42129 4.59 0.44 18.599 3.878 14.721 3.463 1.663 1.799 42199 4.46 0.44 18.639 9999.000 9999.000 3.462 9999.000 9999.000 42269 4.20 0.43 18.720 5.633 13.087 3.460 1.930 1.529 42339 4.46 0.44 18.639 9999.000 9999.000 3.462 9999.000 9999.000 42479 4.24 0.43 18.707 9999.000 9999.000 3.460 9999.000 9999.000 42549 4.42 0.44 18.653 3.643 15.010 3.462 1.631 1.830 42619 4.33 0.43 18.680 9999.000 9999.000 3.461 9999.000 9999.000 42759 4.07 0.43 18.761 9999.000 9999.000 3.459 9999.000 9999.000 42829 4.16 0.43 18.734 4.329 14.405 3.460 1.712 1.748 42899 3.86 0.47 18.829 9999.000 9999.000 3.456 9999.000 9999.000 43039 3.99 0.43 18.788 9999.000 9999.000 3.458 9999.000 9999.000 43109 3.10 0.45 19.061 9.140 9.921 3.444 2.368 1.076 43179 2.70 0.45 19.175 9999.000 9999.000 3.435 9999.000 9999.000 43249 2.82 0.45 19.143 10.220 8.923 3.438 2.515 0.923 43319 2.70 0.45 19.175 9999.000 9999.000 3.435 9999.000 9999.000 43389 2.78 0.45 19.154 10.922 8.231 3.437 2.597 0.841 43459 2.74 0.45 19.164 9999.000 9999.000 3.436 9999.000 9999.000 43599 2.78 0.45 19.154 9999.000 9999.000 3.437 9999.000 9999.000 43669 2.70 0.45 19.175 9.687 9.488 3.435 2.448 0.988 43739 2.90 0.45 19.120 9999.000 9999.000 3.440 9999.000 9999.000 43809 3.10 0.45 19.061 9.564 9.497 3.444 2.440 1.004 43879 2.66 0.45 19.186 9999.000 9999.000 3.435 9999.000 9999.000 43949 2.66 0.45 19.186 11.327 7.859 3.435 2.649 0.786 44019 2.10 0.48 19.313 9999.000 9999.000 3.421 9999.000 9999.000 44159 1.98 0.47 19.336 9999.000 9999.000 3.418 9999.000 9999.000 44229 1.94 0.47 19.344 13.582 5.761 3.416 2.868 0.549 44299 1.98 0.47 19.336 9999.000 9999.000 3.418 9999.000 9999.000 44369 2.29 0.48 19.272 11.053 8.219 3.426 2.617 0.809 44439 2.78 0.45 19.154 9999.000 9999.000 3.437 9999.000 9999.000 44509 2.53 0.44 19.216 11.217 7.999 3.432 2.621 0.811 44579 2.82 0.45 19.143 9999.000 9999.000 3.438 9999.000 9999.000 44719 3.86 0.47 18.829 9999.000 9999.000 3.456 9999.000 9999.000 44789 3.65 0.46 18.895 5.719 13.176 3.453 1.896 1.557 44859 3.48 0.46 18.948 9999.000 9999.000 3.451 9999.000 9999.000 44929 4.42 0.44 18.653 5.271 13.381 3.462 1.848 1.614 44999 4.59 0.44 18.599 9999.000 9999.000 3.463 9999.000 9999.000 45069 4.20 0.43 18.720 4.607 14.114 3.460 1.775 1.685 45139 4.29 0.43 18.693 9999.000 9999.000 3.461 9999.000 9999.000 45279 3.69 0.46 18.882 9999.000 9999.000 3.454 9999.000 9999.000 45349 4.11 0.43 18.748 4.416 14.332 3.459 1.749 1.710 45419 4.24 0.43 18.707 9999.000 9999.000 3.460 9999.000 9999.000 45559 4.07 0.43 18.761 9999.000 9999.000 3.459 9999.000 9999.000 45629 4.07 0.43 18.761 4.587 14.174 3.459 1.767 1.692 45699 3.86 0.47 18.829 9999.000 9999.000 3.456 9999.000 9999.000 45839 4.20 0.43 18.720 9999.000 9999.000 3.460 9999.000 9999.000 45909 3.94 0.43 18.802 5.045 13.757 3.457 1.823 1.635 45979 3.65 0.46 18.895 9999.000 9999.000 3.453 9999.000 9999.000 46049 4.03 0.43 18.775 4.598 14.177 3.458 1.759 1.699 46119 4.55 0.44 18.612 9999.000 9999.000 3.463 9999.000 9999.000 46189 4.33 0.43 18.680 3.306 15.374 3.461 1.502 1.959 46259 4.33 0.43 18.680 9999.000 9999.000 3.461 9999.000 9999.000 46399 5.03 0.45 18.464 9999.000 9999.000 3.464 9999.000 9999.000 46469 4.33 0.43 18.680 4.413 14.266 3.461 1.705 1.756 46539 4.68 0.44 18.572 9999.000 9999.000 3.463 9999.000 9999.000 46609 5.03 0.45 18.464 2.001 16.463 3.464 1.189 2.275 46679 5.17 0.45 18.424 9999.000 9999.000 3.464 9999.000 9999.000 46749 5.53 0.46 18.318 1.101 17.217 3.463 0.924 2.539 46819 5.62 0.46 18.292 9999.000 9999.000 3.462 9999.000 9999.000 46959 5.44 0.46 18.345 9999.000 9999.000 3.463 9999.000 9999.000 47029 5.81 0.42 18.239 0.951 17.288 3.461 0.849 2.613 47099 6.23 0.42 18.122 9999.000 9999.000 3.457 9999.000 9999.000 47169 5.99 0.42 18.187 0.392 17.795 3.460 0.627 2.833 47239 6.37 0.43 18.084 9999.000 9999.000 3.455 9999.000 9999.000 47309 5.90 0.42 18.213 0.342 17.872 3.460 0.657 2.803 47379 6.27 0.43 18.109 9999.000 9999.000 3.456 9999.000 9999.000 47519 6.27 0.43 18.109 9999.000 9999.000 3.456 9999.000 9999.000 47589 6.04 0.42 18.174 0.323 17.852 3.459 0.585 2.874 47659 6.09 0.42 18.161 9999.000 9999.000 3.459 9999.000 9999.000 47729 6.32 0.43 18.096 0.304 17.792 3.456 0.604 2.852 47799 5.81 0.42 18.239 9999.000 9999.000 3.461 9999.000 9999.000 47869 6.32 0.43 18.096 0.363 17.733 3.456 0.619 2.836 47939 6.23 0.42 18.122 9999.000 9999.000 3.457 9999.000 9999.000 48079 5.81 0.42 18.239 9999.000 9999.000 3.461 9999.000 9999.000 48149 5.99 0.42 18.187 0.513 17.674 3.460 0.738 2.722 48219 5.62 0.46 18.292 9999.000 9999.000 3.462 9999.000 9999.000 48359 5.99 0.42 18.187 9999.000 9999.000 3.460 9999.000 9999.000 48429 5.53 0.46 18.318 0.341 17.978 3.463 0.575 2.888 48499 6.18 0.42 18.135 9999.000 9999.000 3.457 9999.000 9999.000 48639 5.76 0.42 18.253 9999.000 9999.000 3.462 9999.000 9999.000 48709 5.99 0.42 18.187 0.373 17.814 3.460 0.582 2.877 48779 5.95 0.42 18.200 9999.000 9999.000 3.460 9999.000 9999.000 48849 5.53 0.46 18.318 0.603 17.715 3.463 0.833 2.630 48919 5.53 0.46 18.318 9999.000 9999.000 3.463 9999.000 9999.000 48989 5.81 0.42 18.239 0.417 17.823 3.461 0.621 2.840 49059 5.81 0.42 18.239 9999.000 9999.000 3.461 9999.000 9999.000 49199 5.90 0.42 18.213 9999.000 9999.000 3.460 9999.000 9999.000 49269 5.81 0.42 18.239 0.416 17.823 3.461 0.642 2.820 49339 5.76 0.42 18.253 9999.000 9999.000 3.462 9999.000 9999.000 49479 5.76 0.42 18.253 9999.000 9999.000 3.462 9999.000 9999.000 49549 6.23 0.42 18.122 0.411 17.711 3.457 0.626 2.831 49619 5.71 0.46 18.266 9999.000 9999.000 3.462 9999.000 9999.000 49759 6.04 0.42 18.174 9999.000 9999.000 3.459 9999.000 9999.000 49829 6.09 0.42 18.161 0.310 17.851 3.459 0.524 2.934 49899 5.81 0.42 18.239 9999.000 9999.000 3.461 9999.000 9999.000 49969 5.95 0.42 18.200 0.260 17.940 3.460 0.468 2.992 50039 6.23 0.42 18.122 9999.000 9999.000 3.457 9999.000 9999.000 50109 6.09 0.42 18.161 0.203 17.958 3.459 0.491 2.967 50179 6.37 0.43 18.084 9999.000 9999.000 3.455 9999.000 9999.000 50319 5.90 0.42 18.213 9999.000 9999.000 3.460 9999.000 9999.000 50389 5.90 0.42 18.213 0.336 17.877 3.460 0.607 2.853 50459 5.85 0.42 18.226 9999.000 9999.000 3.461 9999.000 9999.000 50529 5.85 0.42 18.226 0.475 17.751 3.461 0.674 2.786 50599 5.85 0.42 18.226 9999.000 9999.000 3.461 9999.000 9999.000 50669 5.95 0.42 18.200 0.394 17.807 3.460 0.652 2.808 50739 5.85 0.42 18.226 9999.000 9999.000 3.461 9999.000 9999.000 50879 6.27 0.43 18.109 9999.000 9999.000 3.456 9999.000 9999.000 50949 5.95 0.42 18.200 0.613 17.587 3.460 0.766 2.694 51019 5.81 0.42 18.239 9999.000 9999.000 3.461 9999.000 9999.000 51159 5.30 0.45 18.384 9999.000 9999.000 3.464 9999.000 9999.000 51229 6.04 0.42 18.174 0.623 17.551 3.459 0.736 2.723 51299 5.67 0.46 18.279 9999.000 9999.000 3.462 9999.000 9999.000 51439 6.09 0.42 18.161 9999.000 9999.000 3.459 9999.000 9999.000 51509 5.99 0.42 18.187 0.559 17.628 3.460 0.744 2.716 51579 6.56 0.43 18.032 9999.000 9999.000 3.452 9999.000 9999.000 51649 6.18 0.42 18.135 0.175 17.960 3.457 0.452 3.005 51719 5.81 0.42 18.239 9999.000 9999.000 3.461 9999.000 9999.000 51789 6.04 0.42 18.174 0.376 17.798 3.459 0.630 2.829 51859 5.76 0.42 18.253 9999.000 9999.000 3.462 9999.000 9999.000 51999 6.04 0.42 18.174 9999.000 9999.000 3.459 9999.000 9999.000 52069 6.18 0.42 18.135 0.607 17.528 3.457 0.753 2.704 52139 6.04 0.42 18.174 9999.000 9999.000 3.459 9999.000 9999.000 52209 5.85 0.42 18.226 0.449 17.777 3.461 0.665 2.796 52279 6.32 0.43 18.096 9999.000 9999.000 3.456 9999.000 9999.000 52349 5.62 0.46 18.292 1.516 16.776 3.462 1.108 2.354 52419 4.37 0.43 18.666 9999.000 9999.000 3.461 9999.000 9999.000 52559 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 52629 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 52699 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 52839 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 52909 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 52979 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000 53119 9999.00 9999.00 9999.000 9999.000 9999.000 9999.000 9999.000 9999.000