74 1001 ;header lines file format index ATLAS, ELLIOT NCAR MIXING RATIOS FROM WHOLE AIR SAMPLER ACCENT 1 1 ;vol total vol 1999 09 13 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 55566 55558 55577 283 541 0.40 84.3 13.8 6.29 2.58 4.11 0.45 12.70 140.6 11.53 12.13 569 10.49 0.07 15.20 5.71 53.0 98.8 0.14 2.24 3.44 1.48 1.95 0.26 0.95 1.00 0.14 0.83 594 43 107 10.2 14.5 2.4 3.0 999.9 68 1749 56488 56480 56499 283 544 0.47 84.3 13.7 6.15 2.51 3.99 0.48 12.44 141.7 11.63 11.87 589 10.44 0.06 14.89 5.76 52.8 99.2 0.12 2.00 3.09 1.23 1.82 0.23 1.19 1.09 0.16 0.90 599 48 108 10.2 13.1 1.2 2.0 999.9 65 1750 57411 57402 57422 283 541 0.41 85.1 13.7 6.38 2.38 4.11 0.48 13.82 140.6 11.52 11.89 590 10.41 0.05 14.91 5.73 53.2 98.6 0.13 2.02 3.08 1.39 1.94 0.28 1.20 1.10 0.16 1.00 653 47 156 18.5 30.9 6.0 6.4 999.9 67 1750 58333 58325 58344 280 536 0.41 84.4 13.6 6.49 2.64 4.07 0.47 12.82 140.6 11.61 11.86 570 10.52 0.02 15.36 5.77 52.7 98.4 0.13 2.02 3.04 1.27 1.67 0.23 0.00 1.06 0.17 0.97 547 9999 91 10.1 10.0 0.8 1.6 999.9 68 1752 59257 59247 59269 280 539 0.40 84.6 13.7 6.70 2.74 4.07 0.45 11.92 139.9 11.36 11.71 577 10.02 0.05 14.87 5.67 52.8 98.7 0.09 1.94 3.04 1.25 1.61 0.21 0.94 1.00 0.14 0.63 571 47 104 12.6 13.1 1.3 2.0 999.9 58 1754 60181 60172 60193 283 545 0.41 85.2 13.9 6.63 2.83 4.10 0.46 12.67 140.6 11.49 12.01 580 10.11 0.06 15.01 5.64 53.3 98.9 0.10 1.76 2.75 1.07 1.36 0.20 0.81 0.90 0.13 0.57 536 41 82 10.8 9.5 0.0 1.1 999.9 60 1751 61105 61096 61117 282 540 0.40 85.0 13.9 6.20 2.54 4.02 0.46 12.78 141.0 11.60 12.22 582 10.68 0.05 15.06 5.72 52.6 98.4 0.10 1.87 2.73 1.13 1.57 0.23 0.00 1.03 0.16 0.93 573 47 89 10.3 8.5 0.8 1.2 999.9 67 1751 61369 61359 61380 283 540 0.41 84.9 13.8 6.36 2.59 4.02 0.45 12.87 141.5 11.68 12.12 578 10.80 0.04 15.34 5.72 52.8 98.8 0.12 1.92 2.89 1.14 1.68 0.25 0.00 1.07 0.17 0.88 582 36 86 9.7 7.6 0.0 0.7 999.9 66 1757 61632 61623 61644 284 545 0.41 85.5 13.9 6.56 2.59 4.12 0.47 12.69 141.0 11.46 12.03 572 10.35 0.03 14.91 5.61 52.9 98.8 0.09 1.48 2.27 0.81 1.22 0.17 0.40 0.97 0.13 0.71 609 45 70 9.0 4.1 0.0 0.0 999.9 67 1751 61896 61887 61908 277 526 0.40 83.7 13.5 6.43 2.12 3.99 0.50 12.04 137.1 11.27 11.74 552 9.87 0.03 15.12 5.76 52.5 97.4 0.05 1.56 2.54 0.84 0.96 0.00 0.43 0.90 0.13 0.64 494 41 52 8.5 4.7 0.0 0.0 999.9 64 1746 62160 62150 62172 281 540 0.43 84.5 13.7 6.51 2.69 4.07 0.47 99.99 140.4 11.49 12.50 561 10.05 0.04 15.68 5.77 53.1 98.2 0.09 1.53 2.84 0.92 0.86 0.19 0.40 0.91 0.12 0.54 493 42 51 11.7 5.5 2.2 1.3 999.9 64 1754 62425 62414 62437 280 533 0.41 84.1 13.7 6.10 2.48 4.12 0.46 11.82 137.8 11.19 11.86 564 9.76 0.02 17.44 6.07 53.4 98.8 0.08 1.43 2.17 0.69 0.50 0.00 0.13 0.86 0.11 0.29 422 49 26 7.6 2.2 0.0 0.0 999.9 61 1768 62689 62679 62701 279 539 0.38 85.0 13.8 6.13 2.41 4.10 0.47 12.16 139.2 11.32 11.82 564 9.89 0.03 16.49 5.93 53.3 99.1 0.07 1.36 2.65 0.69 0.60 0.00 0.00 0.90 0.11 0.37 451 45 32 8.3 2.1 0.0 0.0 999.9 61 1761 62954 62943 62966 280 542 0.43 84.7 13.9 6.48 2.63 4.08 0.43 12.73 143.5 11.75 12.38 568 11.34 0.04 16.08 5.92 53.1 98.8 0.08 1.84 2.03 1.03 1.26 0.17 0.44 0.97 0.11 0.67 558 44 68 12.0 7.3 2.5 1.9 999.9 63 1763 63219 63207 63231 278 543 0.43 84.2 13.9 6.17 2.36 4.11 0.45 13.57 144.5 11.98 11.88 564 11.71 0.06 16.95 6.24 53.5 99.5 0.08 1.97 1.96 1.13 1.69 0.29 0.78 1.11 0.17 1.14 574 39 74 10.6 7.8 2.4 1.8 999.9 66 1758 63484 63473 63496 276 541 0.40 85.1 13.8 6.37 2.58 3.97 0.43 12.58 142.8 11.80 12.29 572 10.93 0.05 16.50 6.13 53.3 98.9 0.07 1.79 2.20 0.98 1.51 0.22 0.00 1.05 0.19 1.18 560 46 69 10.3 6.9 1.7 2.0 999.9 63 1764 63815 63801 63834 280 543 0.43 85.4 13.9 6.42 2.47 4.10 0.46 12.84 140.8 11.31 11.97 567 10.33 0.03 15.93 5.55 53.3 98.5 0.08 1.46 1.61 0.74 0.72 0.00 0.20 0.87 0.10 0.38 510 36 48 10.2 5.1 1.0 1.3 999.9 80 1754 63941 63925 63960 275 537 0.42 84.8 13.8 6.38 2.51 3.99 0.44 12.00 139.9 11.23 11.83 569 10.17 0.03 16.06 5.35 53.1 97.6 0.07 1.28 1.02 0.43 0.54 0.00 0.00 0.76 0.10 0.32 446 9999 30 8.7 2.6 0.0 0.8 999.9 51 1756 64069 64051 64089 278 539 0.40 85.2 13.8 6.30 2.64 3.90 0.49 12.11 138.6 11.09 11.60 570 9.83 0.03 15.91 5.24 53.8 97.9 0.10 1.13 0.92 0.41 0.39 0.00 0.00 0.73 0.07 0.21 413 29 24 8.8 2.0 0.0 0.0 999.9 48 1750 64199 64180 64223 277 535 0.41 85.5 13.8 6.41 2.48 4.02 0.46 11.79 137.8 10.92 11.37 567 9.87 0.02 15.12 4.94 53.6 96.7 0.08 0.90 0.83 0.34 0.32 0.00 0.00 0.68 0.05 0.16 383 24 22 8.6 2.1 0.0 0.0 999.9 45 1742 64336 64313 64363 274 527 0.40 84.9 13.7 6.28 2.39 3.78 0.42 10.73 135.1 10.34 11.21 562 9.20 0.03 13.86 4.70 53.0 94.9 0.07 0.71 0.48 0.30 0.20 0.00 0.00 0.61 0.05 0.10 268 21 11 10.3 1.6 5.2 5.3 999.9 44 1722 64478 64453 64509 267 528 0.40 84.6 13.6 6.17 2.46 3.77 0.43 10.43 134.3 10.09 11.32 552 9.18 0.03 13.29 4.41 53.4 94.0 0.11 0.65 0.50 0.24 0.21 0.00 0.00 0.55 0.06 0.08 223 19 8 10.1 1.8 0.0 1.3 999.9 39 1725 64631 64596 64668 256 507 0.38 999.9 13.4 6.07 2.11 3.31 0.40 8.93 128.7 9.11 10.14 519 8.46 0.00 10.48 3.42 51.4 88.2 0.04 0.39 0.38 0.18 0.00 0.00 0.00 0.44 0.00 0.00 99 11 4 10.6 1.2 0.0 0.0 999.9 37 1680 64945 64905 64992 248 505 0.42 999.9 13.4 6.11 2.26 3.36 0.39 8.67 127.2 8.96 10.32 507 8.15 0.04 9.94 3.22 50.8 86.4 0.10 0.41 0.38 0.16 0.00 0.00 0.00 0.43 0.00 0.00 79 9 4 13.1 2.4 0.0 1.2 999.9 35 1667 65275 65227 65330 228 471 0.35 999.9 12.9 5.92 1.82 2.73 0.31 7.37 120.3 7.82 9.44 450 7.05 0.03 7.05 2.24 46.8 76.7 99.99 0.39 0.35 0.00 0.00 0.00 0.00 0.23 0.00 0.00 27 2 4 11.5 2.3 0.0 1.3 999.9 34 1613 65615 65567 65667 236 482 0.35 999.9 13.2 6.09 2.00 2.93 0.32 8.08 122.5 8.22 9.87 468 7.37 0.02 7.77 2.46 47.3 79.3 0.09 0.41 0.44 0.17 0.00 0.00 0.00 0.30 0.00 0.00 35 5 5 12.9 2.7 0.0 0.9 999.9 35 1633 65952 65903 66009 237 485 0.37 999.9 13.3 6.04 1.85 2.99 0.33 7.97 124.1 8.32 9.94 476 7.37 0.03 7.71 2.36 47.7 79.8 0.07 0.39 0.51 0.20 0.10 0.00 0.00 0.32 0.06 0.08 35 5 5 12.2 2.6 0.0 1.0 999.9 37 1628 66297 66245 66355 224 466 0.34 999.9 12.9 5.58 1.81 2.64 0.31 7.06 119.4 7.82 9.19 440 6.75 0.04 6.73 2.18 46.0 75.3 99.99 0.42 0.43 0.23 0.00 0.00 0.00 0.27 0.00 0.00 21 4 5 13.6 2.9 0.0 1.2 999.9 36 1619 66644 66592 66702 228 474 0.34 999.9 13.1 6.02 2.06 2.71 0.32 7.53 121.8 7.80 9.57 454 6.96 0.03 7.36 2.29 45.5 75.6 0.11 0.42 0.55 0.14 0.13 0.00 0.00 0.30 0.00 0.00 25 6 6 15.0 3.8 0.0 0.0 999.9 36 1612 66991 66938 67048 231 482 0.35 999.9 12.9 6.11 2.18 2.78 0.32 7.52 122.3 8.07 9.71 462 7.09 0.04 7.14 2.09 46.9 78.1 99.99 0.40 0.51 0.24 0.00 0.00 0.00 0.21 0.00 0.00 22 5 5 12.3 3.5 0.0 1.2 999.9 37 1619 67337 67285 67394 236 486 0.34 999.9 13.2 6.01 2.17 2.97 0.33 7.96 123.4 8.20 9.70 474 7.40 0.03 7.42 2.30 47.2 79.2 0.07 0.43 0.55 0.12 0.10 0.00 0.00 0.26 0.00 0.00 28 5 5 12.5 2.1 0.0 1.2 999.9 36 1629 67684 67630 67741 236 485 0.34 999.9 13.3 5.95 2.11 2.99 0.33 8.15 123.6 8.30 9.72 474 7.46 0.02 7.75 2.46 47.5 79.2 0.10 0.44 0.56 0.14 0.11 0.00 0.00 0.28 0.00 0.00 28 9999 4 13.4 2.8 0.0 1.4 999.9 35 1634 68031 67978 68089 237 485 0.39 999.9 13.1 5.97 2.10 2.92 0.31 7.93 123.7 8.24 9.90 479 7.42 0.02 7.91 2.57 47.7 79.2 0.08 0.43 0.60 0.22 0.13 0.00 0.00 0.33 0.00 0.00 29 5 4 15.1 2.7 0.0 1.6 999.9 35 1630 68378 68325 68436 234 484 0.35 999.9 13.0 6.05 2.14 2.87 0.37 7.72 122.3 8.17 9.71 471 7.31 0.04 7.90 2.67 47.8 79.3 99.99 0.45 0.50 0.29 0.00 0.00 0.00 0.32 0.00 0.00 27 6 4 14.9 3.0 0.0 1.4 999.9 36 1638 68726 68674 68784 237 486 0.38 999.9 13.2 6.05 2.20 2.91 0.33 8.01 123.7 8.48 9.88 480 7.47 0.02 8.00 2.38 47.7 80.1 0.09 0.47 0.68 0.17 0.15 0.00 0.00 0.28 0.06 0.10 30 6 5 12.4 2.2 0.0 1.5 999.9 37 1636 69419 69399 69440 273 538 0.40 84.3 13.8 6.29 2.44 4.00 0.43 12.54 140.7 11.33 11.76 555 10.24 0.03 15.47 5.39 52.3 96.5 0.11 1.42 1.39 0.52 0.46 0.00 0.00 0.86 0.11 0.35 359 34 31 8.0 3.7 0.0 0.8 999.9 58 1751 70083 70077 70091 280 538 0.41 84.0 13.6 6.42 2.65 4.11 0.48 12.92 140.7 11.63 11.98 559 10.46 0.16 15.07 5.89 52.6 98.9 0.13 2.09 4.18 2.18 3.61 0.65 3.19 1.00 0.16 0.86 880 48 298 34.9 71.8 6.8 17.4 999.9 79 1754 70190 70183 70197 279 537 0.38 84.4 13.8 6.14 2.42 4.03 0.48 13.43 141.0 11.83 12.21 562 10.65 0.18 15.25 6.09 52.9 99.3 0.11 2.26 4.09 2.39 4.49 0.84 4.05 0.99 0.18 0.94 989 51 356 41.0 85.6 19.9 19.7 999.9 81 1755 70296 70289 70304 279 537 0.45 83.8 13.7 6.34 2.34 4.10 0.49 13.13 140.9 11.64 11.69 564 10.70 0.14 15.21 5.99 52.6 98.6 0.14 2.27 4.01 2.24 3.44 0.48 2.64 1.00 0.17 0.84 802 49 248 28.7 54.7 12.9 13.0 999.9 79 1752