74 1001 ;header lines file format index ATLAS, ELLIOT NCAR MIXING RATIOS FROM WHOLE AIR SAMPLER ACCENT 1 1 ;vol total vol 1999 09 20 2000 09 01 ;DATE RDATE 0 ;DX(1) Elapsed UT seconds from 0 hours on T/O DATE ;UTMID 42 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ;scale factors 99999 99999 999 999 9.99 999.9 99.9 99.99 99.99 99.99 99.99 99.99 999.9 999.99 999.99 999 999.99 99.99 99.99 99.99 999.9 999.9 99.99 99.99 99.99 99.99 99.99 99.99 99.99 99.99 99.99 99.99 9999 9999 9999 999.9 999.9 999.9 999.9 999.9 9999 9999 UTSTART (sec) ;MMS data UTSTOP (sec) ;MMS data CCl3F (pptv) CFC 11 CCl2F2 (pptv) CFC 12 C2Cl4F2 (pptv) CFC 112 C2Cl3F3 (pptv) CFC 113 C2Cl2F4 (pptv) CFC 114 C2ClF5 (pptv) CFC 115 CBrF3 (pptv) Halon 1301 CBrClF2 (pptv) Halon 1211 C2Br2F4 (pptv) Halon 2402 C2H2F4 (pptv) HFC 134a CHClF2 (pptv) HCFC 22 CH3CCl2F (pptv) HCFC 141b CH3CClF2 (pptv) HCFC 142b CH3Cl (pptv) Methyl chloride CH3Br (pptv) Methyl bromide CH3I (pptv) Methyl iodide CH2Cl2(pptv) Methylene chloride CHCl3 (pptv) Chloroform CH3CCl3 (pptv) Methyl chloroform CCl4 (pptv) Carbon tetrachloride C2HCl3 (pptv) Trichlorethylene C2Cl4 (pptv) Perchlorethylene CH3ONO2 (pptv) Methyl nitrate C2H5ONO2 (pptv) Ethyl nitrate C3H7ONO2 (pptv) Isopropyl nitrate C3H7ONO2 (pptv) n-propyl nitrate C4H9ONO2 (pptv) 2-butyl nitrate CH2Br2 (pptv) Methylene bromide CHBr2Cl (pptv) Dibromochloromethane CHBr3 (pptv) Bromoform C2H6 (pptv) Ethane C2H2 (pptv) Ethyne C3H8 (pptv) Propane C4H10 (pptv) i-Butane C4H10 (pptv) n-Butane C5H12 (pptv) Isopentane C5H12 (pptv) n-Pentane C6H6 (pptv) Benzene CO (ppbv) Carbon monoxide CH4 (ppbv) Methane 2 ;number of special comment lines (specific to this flight) The UT times are calculated from manifold and canister volumes, pressure changes, and estimated flow rates and corrected for manifold delay times. 14 ;number of normal comment lines (occur each flight) UTSTART WAS THE TIME THE CANISTER BEGAN FILLING UTMID WAS THE TIME THE CANISTER WAS HALF FULL UTSTOP WAS THE TIME THE CANISTER FINISHED FILLING Calibrations for these compounds is ongoing. 0.0 - Concentration Below Detection Limit CO measurements in the lower stratosphere (O3>300 ppb) may be high by 10-15 ppb due to canister artifact. Some trace gases during the Fall ACCENT mission may have been influenced by some pump contamination, but only obvious outliers have been removed from the data set. For questions, contact Elliot Atlas, Atmospheric Chemistry Division, NCAR, PO Box 3000, Boulder CO Ph: 303-497-1425, e-mail: atlas@acd.ucar.edu UTMID UTSTART UTSTOP CFC11 CFC12 CFC112 CFC113 CFC114 CFC115 CBrF3 CBrClF2 C2Br2F4 C2H2F4 CHClF2 CH3CCl2F CH3CClF2 CH3Cl CH3Br CH3I CH2Cl2 CHCl3 CH3CCl3 CCl4 C2HCl3 C2Cl4 MeONO2 EtONO2 iPropONO2 nPropONO2 2ButylONO2 CH2Br2 CHBr2Cl CHBr3 Ethane Ethyne Propane iButane nButane iPentane nPentane Benzene CO CH4 40023 40013 40042 280 541 0.41 83.3 13.7 6.45 2.50 4.00 0.44 15.68 141.8 11.74 12.12 552 10.47 0.14 16.29 6.39 51.8 98.1 0.14 1.61 1.95 0.83 0.70 0.16 0.15 1.28 0.30 2.32 360 32 37 5.6 5.5 0.7 1.2 999.9 70 1739 40779 40764 40798 282 539 0.39 83.7 13.9 6.37 2.54 4.08 0.46 13.59 141.5 11.65 12.47 551 10.50 0.20 16.30 6.30 52.2 98.6 0.13 1.68 1.97 0.94 0.84 0.16 0.26 1.39 0.37 3.32 369 36 39 14.3 6.4 2.2 3.5 999.9 72 1736 41535 41520 41553 283 542 0.41 83.2 13.8 6.44 2.43 4.15 0.45 13.99 141.8 11.58 12.25 550 10.43 0.21 16.30 6.27 52.1 98.5 0.15 1.71 2.06 0.93 0.70 0.13 0.31 1.33 0.36 3.22 356 33 36 5.3 4.6 1.2 1.2 999.9 70 1739 42291 42275 42310 281 538 0.43 82.9 13.8 6.45 2.59 4.07 0.48 13.21 141.2 11.56 11.96 549 10.39 0.28 16.31 6.38 51.7 97.9 0.15 1.67 1.95 0.87 0.67 0.16 0.19 1.41 0.40 3.29 346 33 37 5.6 5.1 1.5 1.5 999.9 70 1739 43049 43032 43070 283 542 0.42 84.1 13.8 6.27 2.44 4.06 0.46 13.49 142.1 11.78 11.98 555 10.42 0.18 16.29 6.44 52.5 99.6 0.14 1.60 2.01 0.93 0.68 0.13 0.20 1.26 0.32 2.51 351 32 32 5.8 4.4 1.2 1.7 999.9 71 1745 43809 43791 43831 284 540 0.41 83.5 13.8 6.46 2.58 4.15 0.48 12.76 142.4 11.68 11.91 551 10.48 0.22 16.02 6.08 52.2 98.4 0.10 1.55 1.87 0.87 0.69 0.13 0.24 1.17 0.30 2.56 368 34 34 9.3 4.5 0.8 2.1 999.9 69 1742 44569 44553 44591 283 542 0.44 83.9 13.8 6.27 2.28 4.06 0.44 13.67 142.0 11.65 11.99 557 10.39 0.10 15.95 6.08 52.5 99.1 0.12 1.43 1.72 0.69 0.61 0.00 0.19 1.01 0.19 1.14 376 34 35 5.1 4.1 0.3 0.7 999.9 65 1747 45329 45313 45351 283 540 0.44 83.9 13.9 6.35 2.42 4.08 0.46 14.67 140.5 11.40 12.23 557 10.36 0.11 15.74 5.81 52.6 98.7 0.08 1.35 1.60 0.63 0.70 0.00 0.27 0.91 0.18 1.01 422 34 42 5.4 4.3 0.4 1.1 999.9 62 1750 46090 46073 46112 283 544 0.42 84.0 13.8 6.45 2.54 3.98 0.43 12.71 140.6 11.38 11.76 568 10.26 0.07 16.12 5.99 52.5 99.1 0.10 1.23 1.69 0.60 0.59 0.00 0.00 0.86 0.12 0.43 396 9999 36 4.8 4.6 0.5 0.8 999.9 62 1748 46491 46473 46512 285 542 0.41 83.7 13.8 6.48 2.64 4.11 0.45 12.66 142.2 11.57 12.09 562 10.39 0.17 16.23 6.03 52.7 99.4 0.07 1.28 1.86 0.73 0.55 0.10 0.19 1.01 0.20 1.22 365 34 31 5.5 4.6 0.7 1.2 999.9 64 1750 46892 46874 46913 284 542 0.39 84.6 13.8 6.38 2.62 3.99 0.46 15.21 141.5 11.41 12.13 567 10.17 0.07 15.96 5.91 52.6 99.6 0.03 1.28 1.64 0.55 0.76 0.00 0.00 0.89 0.14 0.69 433 40 52 6.5 5.7 0.4 0.8 999.9 65 1750 47293 47275 47313 279 523 0.41 999.9 13.4 6.30 2.14 3.92 0.45 12.93 137.4 11.39 11.85 544 10.13 0.07 15.46 5.70 52.3 97.7 0.04 1.23 1.60 0.56 0.43 0.00 0.00 0.88 0.16 0.88 411 32 33 4.4 2.9 0.7 0.4 999.9 58 1742 47693 47675 47713 282 538 0.42 84.0 13.7 6.39 2.35 4.02 0.47 14.21 139.2 11.31 11.77 566 10.18 0.03 15.10 5.54 53.3 99.9 0.00 1.02 1.40 0.37 0.39 0.00 0.00 0.70 0.10 0.36 446 36 33 2.8 1.5 0.0 0.0 999.9 54 1749 48092 48075 48112 282 538 0.42 84.9 13.8 6.64 2.53 3.92 0.47 13.74 141.1 11.25 11.94 563 9.91 0.03 15.45 5.46 52.6 98.9 0.00 1.04 1.33 0.30 0.29 0.00 0.00 0.66 0.07 0.24 439 34 33 4.4 2.1 0.0 0.0 999.9 57 1756 48493 48475 48514 287 544 0.44 84.8 13.9 6.40 2.48 3.98 0.45 13.13 141.6 11.73 12.36 559 10.48 0.16 17.18 6.54 53.2 101.3 0.03 1.35 1.93 0.65 0.41 0.00 0.00 0.78 0.11 0.29 385 34 23 3.7 1.3 0.0 0.0 999.9 69 1753 48894 48876 48915 283 539 0.42 83.6 13.7 6.51 2.48 4.02 0.45 13.80 140.7 11.62 12.15 559 10.37 0.21 17.37 6.67 52.3 99.9 0.00 1.32 2.07 0.82 0.54 0.00 0.00 0.76 0.10 0.38 378 42 21 3.9 1.2 0.0 0.8 999.9 74 1752 49113 49097 49132 280 540 0.40 84.1 13.9 6.44 2.34 4.03 0.46 13.21 142.5 11.80 12.62 553 10.47 0.29 17.69 6.97 52.1 99.5 0.05 1.46 1.93 0.89 0.44 0.00 0.00 0.80 0.14 0.42 354 28 17 3.8 1.9 0.0 1.2 999.9 77 1753 49333 49318 49352 282 541 0.42 83.9 13.7 6.19 2.47 4.03 0.47 13.63 140.9 11.69 12.49 547 10.43 0.26 17.41 7.00 52.0 99.3 0.10 1.47 2.16 0.82 0.48 0.00 0.00 0.82 0.15 0.47 351 26 16 3.6 1.2 0.0 1.1 999.9 76 1747 49555 49537 49574 284 538 0.41 83.3 13.8 6.14 2.30 4.00 0.45 16.36 141.5 11.71 12.50 556 10.21 0.20 17.30 6.66 52.3 99.3 0.05 1.34 2.00 0.80 0.55 0.00 0.00 0.82 0.15 0.40 373 38 24 5.6 6.4 1.7 3.6 999.9 71 1748 49777 49759 49796 285 546 0.43 84.0 13.9 6.18 2.41 4.12 0.44 13.34 142.9 11.64 12.41 562 10.59 0.27 17.21 6.80 52.6 99.9 0.06 1.35 2.08 0.82 0.43 0.00 0.00 0.87 0.13 0.40 357 34 18 4.1 1.7 0.0 1.4 999.9 74 1746 49999 49981 50019 286 553 0.45 84.0 14.1 6.54 2.86 4.18 0.46 99.99 142.9 11.60 12.56 562 10.22 0.23 17.25 6.65 52.5 99.5 0.07 1.33 1.72 0.87 0.53 0.00 0.00 0.83 0.17 0.43 408 37 43 7.3 8.2 2.2 2.5 999.9 67 1754 50222 50204 50242 282 545 0.45 83.6 13.7 6.43 2.60 4.03 0.48 99.99 141.5 11.63 12.20 568 10.34 0.15 17.02 6.54 52.5 99.3 0.05 1.23 1.85 0.79 0.63 0.09 0.00 0.84 0.11 0.42 686 42 209 30.2 49.8 12.7 12.6 999.9 71 1756 50445 50427 50465 286 553 0.44 84.2 14.1 6.55 2.91 4.15 0.46 99.99 142.1 11.63 12.22 566 10.37 0.15 17.09 6.51 52.6 99.4 0.00 1.27 1.78 0.74 0.71 0.00 0.00 0.84 0.14 0.43 610 40 158 23.4 37.2 10.0 9.7 999.9 69 1757 50668 50650 50688 284 546 0.46 83.7 13.8 6.60 2.60 4.11 0.45 99.99 141.5 11.59 12.20 564 10.23 0.18 16.73 6.56 52.2 99.1 0.05 1.32 1.93 0.85 0.83 0.00 0.01 0.80 0.15 0.44 522 43 97 15.8 19.8 6.6 4.7 999.9 76 1755 50891 50874 50912 287 550 0.45 83.8 13.9 6.49 2.49 4.11 0.45 99.99 141.2 11.54 12.30 573 10.16 0.11 16.68 6.51 52.5 100.0 0.07 1.23 1.88 0.71 0.63 0.00 0.00 0.81 0.11 0.36 591 43 147 15.0 35.3 8.5 8.7 999.9 68 1760 51115 51097 51135 280 529 0.44 82.2 13.6 6.08 2.45 4.00 0.44 99.99 136.7 11.16 12.10 555 10.30 0.11 16.29 6.17 52.2 98.0 0.04 1.19 1.73 0.65 0.50 0.00 0.00 0.81 0.15 0.29 497 42 77 11.8 16.0 4.0 4.0 999.9 67 1758 51338 51320 51358 280 527 0.40 82.0 13.7 6.14 2.36 3.97 0.46 99.99 136.7 11.12 11.85 556 9.76 0.08 15.95 6.10 52.1 98.5 0.06 1.18 1.69 0.57 0.40 0.00 0.00 0.76 0.10 0.26 435 50 36 5.1 4.9 1.5 1.4 999.9 69 1760 51561 51543 51581 283 546 0.44 84.2 13.9 6.42 2.53 4.06 0.46 99.99 141.2 11.36 11.94 574 10.38 0.09 16.75 6.42 52.6 99.1 0.08 1.23 1.89 0.71 0.47 0.00 0.00 0.83 0.11 0.31 414 47 27 4.3 2.6 0.0 0.9 999.9 68 1759 51784 51766 51804 286 548 0.42 84.2 14.0 6.41 2.61 4.12 0.46 99.99 141.5 11.22 11.96 579 10.09 0.05 16.14 6.08 52.7 99.8 0.00 1.19 1.61 0.62 0.45 0.00 0.00 0.77 0.09 0.24 429 56 29 3.6 2.5 0.0 0.0 999.9 72 1762 52008 51989 52028 281 544 0.39 83.7 14.0 6.33 2.65 4.00 0.45 99.99 139.8 11.10 11.67 570 10.00 0.04 16.06 5.96 52.4 99.3 0.00 1.13 1.78 0.55 0.43 0.00 0.00 0.76 0.11 0.21 442 55 29 3.5 2.7 0.0 1.2 999.9 67 1763 52231 52213 52251 282 544 0.44 83.1 13.9 6.29 2.42 4.02 0.43 99.99 139.6 10.91 11.97 570 10.14 0.04 15.95 6.02 52.4 98.7 0.05 1.12 1.78 0.66 0.43 0.00 0.00 0.77 0.12 0.24 440 57 28 3.6 1.0 0.0 0.0 999.9 69 1762 52454 52437 52475 281 542 0.43 83.3 13.8 6.32 2.84 4.04 0.47 99.99 138.8 10.94 11.63 572 9.88 0.03 15.09 5.77 52.3 98.8 0.07 1.13 1.61 0.66 0.48 0.00 0.00 0.77 0.09 0.27 497 62 40 4.3 3.4 0.0 0.0 999.9 69 1758 52678 52659 52698 282 543 0.45 83.2 13.8 6.23 2.63 3.94 0.46 99.99 137.9 10.84 11.75 572 9.65 0.00 14.56 5.72 52.2 98.8 0.08 1.08 1.68 0.60 0.55 0.00 0.00 0.82 0.10 0.25 517 32 40 4.0 2.7 0.0 0.0 999.9 73 1757 52962 52944 52982 281 536 0.40 82.9 13.7 6.21 2.69 3.92 0.47 99.99 137.9 10.87 11.57 572 9.85 0.02 14.87 5.84 52.4 98.5 0.07 1.15 1.78 0.69 0.54 0.00 0.00 0.81 0.09 0.22 499 62 40 3.9 3.1 0.0 0.0 999.9 71 1766 53245 53227 53266 280 541 0.38 83.7 13.8 5.88 2.51 3.94 0.43 99.99 138.8 11.10 12.08 568 9.90 0.03 15.37 5.79 52.6 98.6 0.10 1.23 1.67 0.57 0.47 0.00 0.00 0.81 0.11 0.25 470 28 36 5.4 3.5 0.0 0.8 999.9 71 1768 53530 53509 53552 282 543 0.43 82.7 13.7 6.52 2.55 4.00 0.45 99.99 139.1 11.14 12.18 573 10.01 0.03 16.27 5.92 52.2 98.9 0.12 1.26 1.74 0.61 0.48 0.00 0.00 0.80 0.09 0.21 434 55 29 4.0 1.9 0.0 0.0 999.9 66 1761 53821 53790 53851 279 538 0.43 82.7 13.8 6.20 2.32 3.83 0.43 99.99 136.3 10.48 11.42 573 9.50 0.00 14.94 4.98 52.3 96.6 0.10 0.83 1.00 0.21 0.21 0.00 0.00 0.62 0.05 0.14 277 35 11 4.1 1.5 0.0 0.0 999.9 46 1753 54125 54094 54155 275 534 0.43 82.9 13.8 6.42 2.32 3.80 0.44 99.99 135.0 10.35 11.05 564 9.16 0.00 14.25 4.71 52.3 95.9 0.11 0.68 0.73 0.25 0.16 0.00 0.00 0.55 0.04 0.06 234 27 8 4.2 1.5 0.0 0.0 999.9 44 1743 54429 54399 54460 273 527 0.40 82.3 13.7 6.13 2.30 3.72 0.40 99.99 134.1 10.18 11.06 556 9.00 0.00 13.60 4.28 52.1 94.9 0.11 0.65 0.66 0.30 0.00 0.00 0.00 0.52 0.05 0.07 207 24 7 4.5 2.3 0.0 0.0 999.9 39 1741