74 1001 ;header lines file format index ATLAS, ELLIOT NCAR MIXING RATIOS FROM WHOLE AIR SAMPLER ACCENT 1 1 ;vol total vol 1999 09 17 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 58889 58878 58903 280 536 0.43 83.4 13.7 6.48 2.47 4.14 0.45 11.39 138.7 11.13 12.14 577 10.38 0.07 15.15 5.97 53.0 98.1 99.99 2.54 2.27 1.17 1.87 0.22 0.79 0.84 0.14 0.48 573 56 94 9.7 12.5 1.7 1.9 999.9 74 1757 59277 59265 59291 281 539 0.42 83.4 13.7 6.42 2.48 4.10 0.45 11.81 139.7 11.07 11.84 578 10.18 0.04 14.97 5.82 53.1 98.9 99.99 1.98 2.19 0.88 1.11 0.12 0.40 0.84 0.11 0.29 640 94 315 15.7 33.7 15.2 5.5 999.9 65 1757 59662 59655 59670 281 542 0.40 82.9 13.7 6.70 2.74 4.11 0.44 12.94 143.4 11.74 11.69 580 11.46 0.22 15.99 6.27 52.3 98.1 0.14 2.64 3.64 2.46 4.94 0.85 2.48 0.94 0.17 0.79 607 60 166 10.0 16.7 5.9 2.7 999.9 98 1755 60041 60033 60048 282 536 0.42 83.5 13.7 6.04 2.34 4.07 0.44 12.43 141.1 11.55 12.03 571 11.11 0.12 14.98 5.91 51.9 98.2 0.11 2.21 3.48 1.92 3.24 0.51 1.49 0.87 0.14 0.67 649 51 110 7.9 10.7 1.4 1.6 999.9 80 1756 60418 60411 60426 280 538 0.42 83.4 13.6 6.38 2.38 4.01 0.45 12.66 139.2 11.44 11.99 564 10.99 0.09 13.75 5.64 52.0 98.1 0.11 1.77 3.10 1.57 2.28 0.34 1.24 0.97 0.15 0.74 626 57 142 11.7 14.4 4.9 2.6 999.9 76 1759 60797 60789 60805 284 536 0.42 83.9 13.8 6.16 2.43 4.06 0.47 12.58 142.0 11.84 12.18 560 10.76 0.11 16.50 6.16 52.3 98.5 0.11 2.20 3.52 1.87 3.12 0.49 1.57 0.81 0.13 0.57 464 51 109 8.3 11.6 4.3 2.5 999.9 81 1760 61176 61168 61184 281 531 0.40 83.1 13.6 6.19 2.40 4.05 0.47 12.26 140.2 11.53 11.87 543 10.50 0.09 15.81 6.02 52.1 98.4 0.10 1.84 4.10 1.65 2.02 0.44 0.92 0.86 0.15 0.56 583 62 131 11.8 16.6 5.4 2.8 999.9 73 1748 61554 61547 61562 283 534 0.42 83.4 13.8 6.05 2.38 4.14 0.47 12.66 140.6 11.75 12.05 561 10.82 0.14 15.69 6.17 52.4 98.3 0.11 2.20 3.72 1.94 3.03 0.47 1.60 0.90 0.15 0.66 585 55 127 9.6 12.2 3.0 2.1 999.9 76 1752 61932 61925 61940 281 539 0.41 83.1 13.6 6.64 2.66 4.08 0.47 12.82 142.3 12.03 12.14 557 11.43 0.21 16.46 6.25 52.2 98.3 0.09 2.14 3.89 2.19 3.80 0.68 1.84 0.93 0.15 0.63 581 69 188 11.9 5.6 7.9 4.4 999.9 89 1751 62310 62303 62316 284 542 0.40 83.8 13.7 6.92 2.47 4.17 0.42 12.97 144.0 11.80 12.39 541 10.50 0.16 16.51 6.17 52.3 98.9 0.08 1.93 3.61 1.73 2.74 0.48 1.19 0.92 0.15 0.58 492 53 120 7.9 11.4 4.4 2.6 999.9 76 1749 62686 62679 62692 281 537 0.43 83.4 13.8 6.41 2.54 4.04 0.51 12.68 140.1 11.37 12.19 545 9.86 0.06 15.26 5.86 52.4 99.1 0.08 1.56 3.96 1.31 1.25 0.26 0.46 0.94 0.13 0.58 473 39 56 6.7 5.8 0.0 0.0 999.9 74 1742 63063 63055 63069 281 538 0.41 83.7 14.0 6.38 2.38 4.01 0.45 12.21 139.6 11.07 12.03 555 9.82 0.05 13.26 5.53 52.5 98.2 0.08 1.40 4.17 1.47 1.28 0.20 0.55 1.02 0.14 0.68 542 42 57 9.6 4.1 0.0 0.0 999.9 68 1748 63439 63431 63445 281 538 0.40 84.1 13.9 6.17 2.32 4.09 0.48 12.47 141.1 11.51 12.37 544 9.84 0.06 15.86 6.03 52.7 99.0 0.06 1.58 3.96 1.38 1.24 0.26 0.63 0.92 0.13 0.54 448 9999 53 6.5 5.5 1.5 1.4 999.9 71 1747 63815 63808 63821 283 541 0.38 83.9 14.1 6.63 2.56 4.05 0.47 13.05 142.1 11.41 12.32 571 10.08 0.04 14.61 5.73 52.2 98.3 0.06 2.06 3.42 1.42 2.15 0.30 1.20 1.09 0.15 0.67 575 41 102 7.8 9.0 0.8 1.1 999.9 60 1743 64192 64184 64198 282 544 0.42 84.0 14.0 6.43 2.36 4.00 0.46 12.67 141.2 11.51 12.05 553 10.49 0.07 15.06 5.80 52.6 98.8 0.09 1.73 4.14 1.45 1.62 0.34 0.89 0.94 0.14 0.61 459 45 84 8.0 9.7 4.1 1.0 999.9 70 1744 64568 64561 64575 282 537 0.42 83.6 13.7 6.21 2.24 4.06 0.45 12.12 138.9 11.43 12.13 562 10.47 0.07 14.66 5.64 52.2 98.0 0.00 2.18 3.05 1.59 2.44 0.35 1.45 0.90 0.13 0.69 591 58 109 7.8 9.5 1.0 1.2 999.9 72 1753 64946 64939 64953 283 542 0.45 84.2 13.8 6.56 2.45 4.13 0.47 12.55 141.3 11.71 12.24 571 10.59 0.09 15.93 5.85 52.7 99.0 0.07 2.47 3.23 1.79 3.16 0.45 1.92 0.95 0.15 0.66 626 62 139 9.9 12.4 2.5 1.4 999.9 73 1754 65324 65316 65331 283 539 0.41 83.7 13.7 6.39 2.37 4.03 0.43 12.75 141.3 11.90 12.17 552 10.58 0.16 15.99 6.23 52.6 98.7 0.11 2.27 3.72 2.06 3.55 0.57 1.80 0.92 0.15 0.60 633 59 148 12.5 13.6 4.2 2.1 999.9 79 1750 65702 65693 65709 282 540 0.42 83.7 13.8 6.47 2.60 4.07 0.45 12.28 141.1 11.76 12.02 546 10.39 0.11 16.04 6.07 52.5 98.4 0.09 1.98 3.94 1.77 2.38 0.51 1.20 0.88 0.14 0.56 530 51 112 9.2 10.5 3.5 1.8 999.9 76 1749 66080 66071 66087 281 541 0.43 83.0 13.8 6.56 2.29 4.05 0.45 12.43 140.8 11.70 12.11 540 10.33 0.11 15.76 6.12 52.6 98.4 0.06 1.83 4.17 1.66 2.22 0.43 1.08 0.92 0.13 0.53 490 50 124 9.0 14.2 5.2 2.8 999.9 74 1748 66458 66449 66466 284 542 0.44 84.2 13.8 6.24 2.43 4.01 0.44 13.09 143.1 12.05 12.21 555 11.24 0.20 16.23 6.27 52.5 98.5 0.12 2.08 3.62 2.30 3.85 0.75 1.93 0.89 0.15 0.59 608 63 191 12.5 20.7 7.6 4.4 999.9 81 1755 66837 66829 66847 283 539 0.44 84.7 13.7 6.32 2.40 4.06 0.47 12.45 142.0 11.82 12.19 564 11.52 0.15 15.99 6.01 52.4 99.2 0.08 1.87 3.49 1.85 2.76 0.48 1.33 0.87 0.16 0.63 577 58 136 10.4 13.6 4.5 2.3 999.9 77 1754 67218 67210 67228 284 537 0.45 84.7 13.9 6.47 2.37 4.15 0.45 12.46 140.9 11.66 12.00 556 10.77 0.07 14.90 5.84 52.7 99.8 0.06 1.53 3.58 1.39 1.59 0.25 0.65 0.96 0.18 0.74 503 41 75 6.9 6.8 2.3 1.6 999.9 68 1747 67600 67591 67610 283 540 0.44 84.5 13.9 6.55 2.36 4.12 0.44 12.74 140.6 11.56 12.26 558 10.39 0.07 14.73 5.77 52.9 99.4 0.06 1.51 3.46 1.40 1.38 0.27 0.68 0.94 0.19 0.77 511 42 17 6.5 7.1 1.9 1.3 999.9 64 1746 67982 67973 67992 283 537 0.43 84.9 13.9 6.24 2.39 4.02 0.46 12.11 140.4 11.51 12.17 566 10.02 0.06 14.39 5.77 52.5 99.3 0.09 1.62 3.93 1.49 1.46 0.21 0.68 0.90 0.15 0.68 544 42 74 5.5 5.7 0.0 0.8 999.9 68 1745 68363 68354 68373 283 538 0.44 84.7 13.8 6.23 2.41 4.16 0.48 12.22 139.3 11.46 12.13 576 10.39 0.03 13.65 5.30 52.6 99.4 0.09 1.54 2.69 1.31 1.59 0.20 0.54 0.88 0.15 0.60 603 48 76 6.2 5.6 0.0 0.8 999.9 67 1752 68746 68735 68757 280 535 0.41 83.8 13.7 6.06 2.36 4.14 0.43 12.90 139.5 11.47 11.95 568 10.00 0.05 13.64 5.53 51.9 98.1 0.08 1.45 3.06 1.31 1.78 0.26 0.66 0.89 0.12 0.64 652 43 90 7.6 6.4 0.0 1.0 999.9 66 1753 69129 69119 69140 280 536 0.44 83.7 13.7 6.29 2.44 4.03 0.49 13.04 141.2 11.49 12.06 568 10.69 0.06 14.53 5.73 52.4 98.5 0.05 1.60 2.85 1.29 1.87 0.27 0.91 0.96 0.16 0.87 610 45 95 6.5 7.5 1.2 1.0 999.9 66 1753 69512 69502 69523 274 535 0.46 83.7 13.8 6.40 2.47 4.05 0.47 12.12 138.5 11.35 11.59 546 9.70 0.05 14.37 5.61 52.8 99.1 0.08 1.38 3.67 1.06 0.90 0.24 0.32 0.97 0.14 0.73 480 36 49 5.3 3.5 0.0 0.0 999.9 65 1747 69896 69885 69906 282 539 0.44 83.5 13.8 6.13 2.37 4.09 0.44 12.52 140.0 11.46 11.98 552 9.88 0.03 15.37 5.85 52.6 99.2 0.08 1.42 3.55 1.00 0.79 0.15 0.28 0.91 0.12 0.65 448 38 41 4.8 4.5 0.0 0.0 999.9 63 1749 70279 70269 70289 285 545 0.44 83.8 13.8 6.40 2.51 4.10 0.47 11.62 140.1 11.49 11.61 551 9.90 0.04 16.91 6.29 52.8 99.1 0.10 1.52 3.17 0.94 0.56 0.00 0.17 0.88 0.12 0.45 407 45 30 4.2 2.6 0.0 0.0 999.9 63 1758 70663 70651 70676 286 546 0.42 84.2 13.9 6.62 2.82 4.09 0.46 12.74 142.9 11.59 12.09 570 10.32 0.02 14.78 5.50 52.7 99.0 0.06 1.40 2.48 0.88 0.87 0.14 0.32 0.95 0.15 0.82 506 36 53 5.3 4.2 0.0 0.0 999.9 61 1743 71049 71038 71062 286 546 0.44 84.9 13.9 6.13 2.37 4.15 0.48 12.94 143.9 11.73 12.00 569 10.48 0.03 14.94 5.60 52.1 99.7 0.08 99.99 2.39 0.79 0.80 0.10 99.99 0.95 99.99 99.99 500 27 47 4.5 3.1 0.0 0.0 999.9 62 1747 71435 71424 71448 285 544 0.44 84.6 13.9 6.46 2.69 4.13 0.47 12.60 142.7 11.63 12.18 578 10.52 0.02 14.97 5.58 52.5 99.2 0.08 1.55 2.36 1.02 1.26 0.18 0.39 0.96 0.16 0.89 551 9999 69 5.5 5.4 0.0 0.0 999.9 58 1748 71822 71811 71835 283 536 0.41 83.4 13.7 6.22 2.32 4.05 0.43 12.79 140.1 11.61 12.27 575 10.60 0.03 14.71 5.59 52.3 98.8 0.09 99.99 2.33 1.04 1.39 0.17 99.99 0.93 99.99 99.99 596 39 81 4.4 5.5 0.0 0.8 999.9 61 1754 72208 72197 72221 284 545 0.42 83.9 13.8 6.73 2.53 4.13 0.47 12.71 142.7 11.77 12.27 582 11.07 0.03 14.88 5.74 52.6 99.0 0.09 1.75 1.98 1.11 1.77 0.20 0.64 0.89 0.14 0.65 691 46 96 5.3 6.0 0.0 0.0 999.9 67 1763 72594 72581 72609 284 544 0.40 83.8 13.9 7.38 2.66 4.11 0.48 12.80 142.8 11.49 12.19 555 10.27 0.11 15.46 5.92 52.5 98.5 0.13 1.51 1.66 0.68 0.56 0.15 0.15 0.84 0.14 0.44 411 37 42 6.0 5.3 0.8 1.6 999.9 66 1748 72985 72973 72999 280 536 0.45 83.8 13.8 6.40 2.50 4.12 0.45 11.47 138.8 11.21 11.99 571 10.16 0.04 14.67 5.81 52.7 98.9 0.12 1.53 1.85 0.71 0.90 0.00 0.28 0.84 0.14 0.45 523 51 69 7.2 8.5 0.6 1.4 999.9 67 1759 73372 73363 73380 282 537 0.43 83.0 13.9 5.98 2.37 4.03 0.46 12.15 139.7 11.30 11.97 569 10.57 0.06 13.84 5.55 52.3 98.6 0.16 1.72 2.70 1.38 2.54 0.32 1.32 0.91 0.12 0.74 782 48 143 7.9 13.3 0.5 1.1 999.9 68 1749