74 1001 ;header lines file format index ATLAS, ELLIOT NCAR MIXING RATIOS FROM WHOLE AIR SAMPLER ACCENT 1 1 ;vol total vol 1999 04 23 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) UTSTART and UTSTOP times were estimated as plus and minus 20 seconds, respectively, from the UTMID time. Further refinements are necessary on the start and stop 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 52712 52692 52732 267 525 0.40 79.9 13.6 6.49 2.60 3.79 0.50 10.44 133.0 10.01 10.90 581 10.17 0.00 16.11 5.76 55.0 94.9 0.16 1.65 2.45 1.52 1.29 0.00 0.00 0.81 0.13 0.28 682 209 62 4.4 7.5 1.4 2.0 27.3 110 1736 52922 52902 52942 275 535 0.42 81.4 13.5 6.42 2.13 3.87 0.44 9.61 131.4 10.28 10.47 582 9.64 0.04 16.62 5.81 56.0 98.6 0.11 1.60 4.05 1.76 0.73 0.38 0.75 0.88 0.14 0.55 544 85 35 2.9 3.4 0.9 0.9 13.6 90 1743 53133 53113 53153 276 535 0.41 82.8 13.6 6.49 2.72 4.03 0.44 10.21 134.9 10.53 10.42 583 10.07 0.07 16.28 5.98 56.5 99.0 0.21 1.63 4.07 1.93 0.92 0.40 0.69 0.88 0.20 0.47 547 86 35 2.1 4.6 1.0 1.8 12.8 90 1743 53344 53324 53364 277 534 0.45 80.9 13.7 6.42 2.72 4.09 0.47 9.94 132.3 10.26 11.18 579 9.80 0.05 16.27 5.69 56.2 97.8 0.00 1.63 4.45 1.53 0.76 0.00 0.00 0.97 0.13 0.50 538 75 31 1.6 3.0 0.7 0.8 12.5 90 1738 53556 53536 53576 276 536 0.46 82.5 13.7 6.53 2.52 3.98 0.51 10.71 135.1 10.61 11.65 583 9.76 0.04 16.39 6.01 56.2 99.8 0.00 1.65 4.76 1.87 0.86 0.00 0.00 0.97 0.11 0.48 546 82 32 1.8 3.1 0.0 1.0 11.9 90 1741 53768 53748 53788 276 533 0.46 83.0 13.7 6.56 2.76 3.97 0.44 9.49 134.9 10.54 11.44 579 10.00 0.06 15.95 6.01 56.7 100.7 0.21 1.73 4.83 1.42 0.91 0.44 0.49 0.91 0.27 0.50 527 82 32 2.5 3.1 0.9 1.0 12.7 91 1741 53979 53959 53999 278 543 0.46 82.0 13.6 6.80 2.71 3.87 0.48 10.50 133.2 10.35 10.94 583 9.33 0.04 16.09 5.70 56.8 99.3 0.15 1.64 4.72 1.67 0.85 0.41 0.00 0.84 0.12 0.51 520 77 31 1.8 3.0 0.0 0.0 11.5 85 1743 54191 54171 54211 276 534 0.46 81.0 13.7 6.45 2.60 4.03 0.45 10.52 133.8 10.25 11.13 581 9.84 0.05 16.07 5.85 55.7 97.9 0.13 1.62 4.70 1.79 0.92 0.00 0.00 0.96 0.11 0.51 532 76 30 1.9 2.6 0.8 0.7 12.3 88 1740 54402 54382 54422 278 539 0.47 82.8 13.9 6.66 2.89 4.03 0.46 9.45 137.4 10.74 11.20 584 9.97 0.05 16.67 5.84 56.6 99.8 0.23 1.63 4.42 1.83 0.90 0.33 0.00 0.87 0.12 0.55 528 82 32 1.9 3.2 0.7 1.2 13.9 92 1743 54614 54594 54634 275 535 0.40 81.2 13.7 6.63 2.56 3.95 0.49 10.17 133.1 10.33 11.01 576 9.90 0.05 15.58 5.79 56.7 98.9 0.00 1.55 5.10 1.87 0.98 0.20 0.00 0.86 0.15 0.52 500 9999 28 1.8 2.3 0.0 0.8 10.6 87 1740 54826 54806 54846 279 534 0.44 82.7 13.9 6.26 2.22 3.95 0.43 8.84 135.7 10.42 11.11 577 9.56 0.07 15.84 5.85 57.3 100.3 0.17 1.61 5.34 1.78 0.78 0.00 0.00 1.00 0.14 0.52 487 72 28 1.9 3.3 0.0 1.0 10.7 86 1737 55038 55018 55058 275 538 0.43 81.7 13.8 6.38 2.70 3.86 0.46 11.13 133.1 10.25 11.16 572 9.75 0.05 15.76 5.76 56.8 99.3 0.12 1.59 5.06 1.92 0.82 0.00 0.00 0.86 0.18 0.59 508 69 28 1.7 2.2 0.0 0.0 9.9 88 1741 55251 55231 55271 276 533 0.43 82.2 13.7 6.61 2.66 3.96 0.47 10.59 133.8 10.42 11.15 574 9.98 0.08 15.77 6.01 57.3 100.2 0.21 1.51 4.94 2.17 0.88 0.28 0.00 0.94 0.19 0.61 500 71 28 2.3 2.9 0.0 0.8 10.3 87 1743 55463 55443 55483 276 534 0.41 82.8 13.7 6.36 1.96 3.90 0.47 9.75 134.3 10.31 10.97 570 9.76 0.07 15.90 6.11 57.5 99.8 0.00 1.64 5.07 2.23 1.09 0.00 0.31 0.83 0.14 0.59 504 69 27 1.7 1.9 0.0 1.2 10.7 87 1738 55678 55658 55698 274 536 0.38 81.7 13.6 6.40 2.72 3.88 0.51 11.05 133.5 10.52 11.34 576 9.79 0.10 19.29 6.07 57.0 98.2 0.35 4.26 5.05 2.25 1.87 0.49 1.39 0.99 0.14 0.72 591 132 190 26.9 64.9 24.7 13.9 18.9 100 1741 55899 55879 55919 273 533 0.44 81.8 13.8 6.62 2.76 3.85 0.43 10.26 132.2 9.70 10.88 581 9.48 0.00 11.90 5.05 57.0 97.8 0.00 0.90 1.41 0.77 0.29 0.00 0.00 0.83 0.10 0.16 370 38 18 1.4 3.0 0.8 1.2 4.7 54 1733 56124 56104 56144 274 532 0.40 80.7 13.7 6.14 2.47 3.84 0.43 9.62 130.2 9.61 10.82 587 9.65 0.00 11.97 4.86 57.1 98.1 0.14 0.88 1.23 0.71 0.27 0.00 0.00 0.79 0.09 0.21 409 46 18 0.8 2.0 0.5 1.0 5.4 60 1733 56348 56328 56368 273 532 0.47 81.7 13.7 6.35 2.17 3.81 0.48 8.79 132.0 9.82 10.75 583 9.68 0.05 11.95 5.11 57.4 99.5 0.25 0.82 1.04 0.84 0.33 0.00 0.31 0.86 0.13 0.23 407 41 17 0.8 1.7 0.0 0.0 6.0 59 1741 56574 56554 56594 274 533 0.30 83.2 13.7 6.17 2.74 3.84 0.50 9.62 132.5 10.05 11.00 585 9.61 0.00 11.75 5.02 57.9 99.8 0.00 0.85 1.10 0.92 0.39 0.00 0.00 0.84 0.19 0.18 391 44 16 0.4 1.8 0.0 0.0 5.7 56 1731 56799 56779 56819 271 529 0.39 80.3 13.7 6.51 2.58 3.69 0.43 9.32 130.8 9.55 11.15 575 9.59 0.03 11.68 4.74 56.9 97.1 0.17 0.75 1.14 0.75 0.23 0.00 0.00 0.78 0.00 0.19 381 43 15 1.6 1.5 0.0 0.0 5.1 55 1729 57025 57005 57045 262 519 0.33 79.6 13.5 6.53 2.83 3.71 0.42 8.34 128.4 9.32 10.07 556 9.04 0.00 11.40 4.25 55.6 94.1 0.11 0.70 0.79 0.80 0.41 0.00 0.00 0.65 0.11 0.18 311 34 11 0.9 1.2 0.0 1.3 4.7 49 1707 57251 57231 57271 264 523 0.45 79.7 13.7 6.29 2.38 3.60 0.46 8.68 128.1 9.09 10.48 559 9.36 0.03 11.30 4.44 55.9 94.7 0.00 0.61 1.01 0.66 0.28 0.00 0.00 0.68 0.00 0.13 291 32 10 0.0 1.2 0.0 1.0 4.6 49 1704 57477 57457 57497 262 507 0.41 78.5 13.2 6.34 1.97 3.55 0.46 8.74 126.6 9.28 9.96 554 9.37 0.00 10.87 4.54 54.6 93.6 0.17 0.59 0.99 0.65 0.46 0.00 0.00 0.71 0.09 0.10 352 43 14 1.4 1.6 0.0 0.8 5.4 53 1715 57705 57685 57725 267 524 0.44 80.7 13.6 6.43 1.83 3.76 0.40 6.61 129.7 9.47 10.41 564 9.33 0.00 11.34 4.50 56.0 95.6 0.00 0.63 1.08 0.61 0.41 0.00 0.00 0.68 0.10 0.11 334 9999 12 0.9 1.0 0.0 1.3 5.3 53 1716 57930 57910 57950 275 548 0.41 82.4 14.1 6.68 2.54 3.73 0.46 10.20 131.3 9.65 10.17 576 9.80 0.00 11.83 6.03 58.0 97.6 0.00 0.67 1.04 0.77 0.21 0.00 0.00 0.76 0.09 0.14 342 36 13 1.1 1.8 0.0 0.0 4.2 53 1716 58156 58136 58176 270 518 0.36 80.5 13.2 6.12 2.45 3.65 0.44 8.06 129.2 9.60 10.72 569 9.54 0.00 11.87 4.74 56.3 96.8 0.00 0.75 0.90 0.60 0.24 0.00 0.00 0.69 0.00 0.21 398 45 15 0.6 1.1 0.0 0.5 4.4 58 1732 58381 58361 58401 272 526 0.41 80.5 13.6 6.28 2.59 3.82 0.49 9.18 131.3 9.71 10.14 582 9.67 0.00 12.10 4.71 57.0 98.6 0.00 0.76 1.09 0.88 0.37 0.00 0.00 0.73 0.16 0.19 416 47 16 0.6 1.2 0.0 0.0 5.2 59 1733 58603 58583 58623 275 535 0.47 81.6 13.6 6.33 2.21 3.89 0.47 9.57 134.3 10.30 10.56 580 9.63 0.04 15.46 5.76 56.8 99.2 0.00 1.60 4.45 1.52 0.76 0.34 0.63 0.96 0.14 0.55 437 73 30 2.3 2.9 0.0 1.0 11.4 88 1742 58794 58774 58814 277 536 0.48 82.0 13.8 5.98 2.05 3.90 0.43 8.43 133.8 10.26 11.18 579 9.81 0.07 15.32 5.69 57.0 99.4 0.00 1.49 4.87 1.64 1.08 0.00 0.55 0.87 0.16 0.52 522 92 33 2.1 3.4 0.0 0.0 13.8 92 1736 58821 58801 58841 270 526 0.44 79.8 13.5 6.41 2.57 3.81 0.46 10.76 132.3 9.78 10.69 583 9.80 0.00 16.07 5.87 55.2 94.7 0.00 1.58 3.21 1.54 1.18 0.37 0.59 0.83 0.09 0.38 674 162 58 3.4 6.0 1.6 1.4 27.1 113 1743 58848 58828 58868 268 517 0.43 80.6 13.3 5.85 2.43 3.73 0.44 7.99 130.3 10.05 10.75 579 9.77 0.00 16.29 5.92 55.4 96.2 0.00 1.61 2.18 1.75 1.28 0.24 0.78 0.82 0.00 0.28 716 190 65 4.7 6.8 1.4 1.5 29.3 122 1743 58874 58854 58894 268 522 0.39 80.2 13.7 6.23 2.09 3.78 0.47 9.86 132.9 9.97 10.81 587 9.64 0.03 16.57 6.00 55.0 95.4 0.17 1.64 2.35 1.33 1.17 0.33 0.65 0.89 0.08 0.36 750 194 66 5.3 7.2 1.4 1.8 29.9 120 1749 58900 58880 58920 276 534 0.42 81.3 13.7 6.44 2.37 3.98 0.47 9.62 134.3 10.46 10.84 587 10.02 0.05 16.95 6.12 56.4 99.1 0.00 1.77 2.86 1.92 1.08 0.00 0.58 0.80 0.16 0.48 704 159 57 3.3 5.9 1.0 1.3 24.8 114 1746 58925 58905 58945 276 536 0.40 81.0 13.9 6.31 2.43 4.01 0.45 10.69 134.3 10.40 10.83 591 10.08 0.00 17.47 6.17 56.4 97.7 0.09 1.72 3.31 1.47 0.95 0.27 0.56 0.87 0.10 0.39 638 129 47 2.9 4.5 1.2 0.9 19.5 104 1744 58951 58931 58971 276 540 0.47 81.3 13.8 6.31 2.55 3.98 0.46 10.26 133.4 10.29 11.21 595 9.93 0.00 17.81 6.10 57.3 99.7 0.05 1.78 2.62 1.44 0.86 0.00 0.00 0.86 0.15 0.37 615 9999 38 2.3 4.0 0.6 0.7 14.0 98 1749 58976 58956 58996 278 544 0.39 82.4 14.1 6.48 2.58 4.00 0.44 11.68 134.6 10.56 11.11 596 9.99 0.04 17.57 6.11 56.9 98.6 0.07 1.76 3.35 1.44 0.82 0.00 0.00 0.92 0.11 0.43 597 95 36 2.8 3.3 0.6 0.4 13.9 97 1752 59001 58981 59021 276 535 0.40 81.9 13.7 6.36 2.41 3.93 0.46 9.30 133.6 10.50 10.63 575 9.61 0.05 16.45 5.85 56.3 98.8 0.00 1.68 4.60 1.95 0.87 0.00 0.53 0.74 0.11 0.51 525 73 28 2.4 2.4 0.0 0.0 10.5 88 1742 59026 59006 59046 274 524 0.42 80.6 13.5 6.49 2.39 3.88 0.48 9.92 131.1 10.21 10.90 564 9.55 0.05 15.35 5.85 55.9 97.8 0.00 1.54 5.27 1.81 0.73 0.20 0.35 1.05 0.13 0.50 476 62 24 1.1 1.7 0.0 0.0 9.2 83 1736 59051 59031 59071 282 553 0.41 82.9 14.0 6.57 2.53 4.01 0.48 11.03 134.7 10.36 11.11 583 9.99 0.00 15.93 5.85 57.6 100.2 0.14 1.58 5.32 1.73 0.72 0.00 0.23 0.88 0.14 0.54 480 9999 25 1.2 2.2 0.0 0.0 9.3 82 1735