113 1010 Coffey, Michael T. and James W. Hannigan National Center for Atmospheric Research, Boulder, CO, USA Fourier transform spectrometer (FTS) aboard the DC-8 PAVE Takeoff date:20050207 1 1 2005 02 07 2005 05 24 0 Time (UT), seconds after 00:00 of a/c launch date 42 1e+13 1e+13 1e+16 1e+16 1e+13 1e+13 1e+16 1e+16 1e+17 1e+17 1e+15 1e+15 1e+14 1e+14 1e+13 1e+13 1e+17 1e+17 1e+19 1e+19 1e+13 1e+13 1e+13 1e+13 1e+13 1e+13 1e+13 1e+13 1e+17 1e+17 1e+17 1e+17 1e+13 1e+13 1e+13 1e+13 1e+13 1e+13 1e+13 1e+13 1e+13 1e+13 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 HF vertical column amount [molecules/cm**2] HF estimated error in total column [molecules/cm**2] O3 vertical column amount [molecules/cm**2] O3 estimated error in total column [molecules/cm**2] HCL vertical column amount [molecules/cm**2] HCL estimated error in total column [molecules/cm**2] N2O vertical column amount [molecules/cm**2] N2O estimated error in total column [molecules/cm**2] CH4 vertical column amount [molecules/cm**2] CH4 estimated error in total column [molecules/cm**2] CO vertical column amount [molecules/cm**2] CO estimated error in total column [molecules/cm**2] HNO3 vertical column amount [molecules/cm**2] HNO3 estimated error in total column [molecules/cm**2] CLONO2 vertical column amount [molecules/cm**2] CLONO2 estimated error in total column [molecules/cm**2] H2O vertical column amount [molecules/cm**2] H2O estimated error in total column [molecules/cm**2] N2 vertical column amount [molecules/cm**2] N2 estimated error in total column [molecules/cm**2] COF2 vertical column amount [molecules/cm**2] COF2 estimated error in total column [molecules/cm**2] NO vertical column amount [molecules/cm**2] NO estimated error in total column [molecules/cm**2] NO2 vertical column amount [molecules/cm**2] NO2 estimated error in total column [molecules/cm**2] CCL2F2 vertical column amount [molecules/cm**2] CCL2F2 estimated error in total column [molecules/cm**2] HDO vertical column amount [molecules/cm**2] HDO estimated error in total column [molecules/cm**2] CH3D vertical column amount [molecules/cm**2] CH3D estimated error in total column [molecules/cm**2] C2H6 vertical column amount [molecules/cm**2] C2H6 estimated error in total column [molecules/cm**2] OCS vertical column amount [molecules/cm**2] OCS estimated error in total column [molecules/cm**2] H2CO vertical column amount [molecules/cm**2] H2CO estimated error in total column [molecules/cm**2] HCN vertical column amount [molecules/cm**2] HCN estimated error in total column [molecules/cm**2] CCL3F vertical column amount [molecules/cm**2] CCL3F estimated error in total column [molecules/cm**2] 11 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 9999 9999 9999 9999 9999 9999 9999 9999 9999 9999 9999 Day of year of observation Year of observation Month of observation Day of observation Hour of observation Minute of observation Second of observation Latitude of observation (degree N) Longitude of observation (degree W) Altitude of observation (km) Solar zenith angle (degree) 31 Data were taken by a 0.06cm-1 resolution Fourier transform spectrometer (FTS) operated aboard the NASA DC-8 aircraft. The absorption of infrared solar radiation along a slant path to the sun is recorded from 2 to 15 micrometers. Six spectral filters are used to cover the region from 2-15 microns. An interferogram is recorded in about 10 seconds. Interferograms are transformed to produce spectra. Column amounts are retrieved by fitting the observed spectra using the non-linear least squares fitting code SFIT2 that employs an Optimal Estimation retrieval algorithm. Version 3.90i of the SFIT2 code was used. The HITRAN absorption line list with updates to 2004 is used in the forward calculation. Temperarture profiles are derived from NCEP analyses for each day. Observations were made through an IR transmitting window in the right side of the aircraft at solar elevations between 10 and 0 degrees; usually from the maximum aircraft altitude of 39,000 to 41,000 ft (11.88 to 12.49 km). Vertical column amounts are reported above an altitude of 13 km. Details of the instrumentation and method may be found in: Airborne spectroscopic observations of chlorine activation and de-nitrification in the 1999/2000 winter Arctic stratosphere during SOLVE, M. T. Coffey, W. G. Mankin, J. W. Hannigan, and G. C. Toon, J. Geophys. Res., 107, 8303, 2002. Intercomparison of retrieval codes used for the analysis of high-resolution, ground-based FTIR measurements, F. Hase, J. W. Hannigan, M. T. Coffey, A. Goldman, M. Hopfner, N. B. Jones, C. P. Rinsland, S. W. Wood, Quant. Spectrosc. Radiat. Transfer, 87, 25-52, 2004. Contacts: Michael T. Coffey James W. Hannigan NCAR PO Box 3000 Boulder, CO 80307 303 497 1407 coffey@ucar.edu, jamesw@ucar.edu 6 SECONDS(UT) DOY YEAR MONTH DAY HOUR MIN SEC LAT LON ALT SZA HF ERR O3 ERR HCL ERR N2O ERR CH4 ERR CO ERR HNO3 ERR CLONO2 ERR H2O ERR N2 ERR COF2 ERR NO ERR NO2 ERR CCL2F2 ERR HDO ERR CH3D ERR C2H6 ERR OCS ERR H2CO ERR HCN ERR CCL3F ERR 074196 038 2005 02 07 20 36 37 +50.74 +75.73 12.50 78.87 00139 00007 00663 00036 00304 00015 00079 00004 00049 00005 00103 00008 99999 99999 99999 99999 00151 00011 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00022 00003 00111 00011 99999 99999 00073 00006 99999 99999 074291 038 2005 02 07 20 38 12 +50.60 +75.47 12.50 79.09 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00148 00013 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 074379 038 2005 02 07 20 39 39 +50.48 +75.24 12.50 79.29 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00084 00007 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00141 00008 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 074465 038 2005 02 07 20 41 06 +50.36 +75.01 12.50 79.51 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00150 00013 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 074557 038 2005 02 07 20 42 37 +50.22 +74.76 12.50 79.74 00138 00007 00651 00036 00304 00015 00079 00004 00051 00005 00104 00008 99999 99999 99999 99999 00154 00011 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00026 00003 00111 00011 99999 99999 00079 00007 99999 99999 074733 038 2005 02 07 20 45 34 +49.97 +74.29 12.50 80.18 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00160 00013 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 074829 038 2005 02 07 20 47 09 +49.82 +74.06 12.51 80.41 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00088 00007 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00136 00008 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 074916 038 2005 02 07 20 48 36 +49.69 +73.85 12.51 80.62 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00160 00014 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 075017 038 2005 02 07 20 50 17 +49.52 +73.60 12.51 80.88 00136 00007 00650 00036 00308 00015 00080 00004 00049 00005 00108 00009 99999 99999 99999 99999 00158 00011 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00030 00003 00109 00010 99999 99999 00072 00006 99999 99999 075120 038 2005 02 07 20 52 00 +49.37 +73.36 12.50 81.13 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00156 00015 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 075218 038 2005 02 07 20 53 38 +49.22 +73.12 12.50 81.38 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00095 00008 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00135 00008 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 075303 038 2005 02 07 20 55 03 +49.08 +72.92 12.50 81.60 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00164 00014 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 075501 038 2005 02 07 20 58 22 +48.77 +72.46 12.50 82.13 00135 00007 00672 00037 00316 00016 00080 00004 00050 00005 00107 00009 99999 99999 99999 99999 00164 00013 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00020 00003 00111 00010 99999 99999 00079 00007 99999 99999 075589 038 2005 02 07 20 59 49 +48.63 +72.26 12.50 82.36 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00166 00014 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 075677 038 2005 02 07 21 01 18 +48.50 +72.06 12.50 82.60 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00087 00007 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00135 00008 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 075765 038 2005 02 07 21 02 45 +48.35 +71.86 12.50 82.83 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00172 00014 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 075867 038 2005 02 07 21 04 27 +48.18 +71.63 12.51 83.11 00134 00007 00652 00035 00295 00015 00082 00004 00050 00005 00113 00009 99999 99999 99999 99999 00175 00013 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00029 00003 00113 00011 99999 99999 00079 00007 99999 99999 075966 038 2005 02 07 21 06 07 +48.02 +71.42 12.51 83.38 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00156 00013 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 076063 038 2005 02 07 21 07 43 +47.86 +71.22 12.50 83.65 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00087 00007 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00134 00008 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 076148 038 2005 02 07 21 09 08 +47.72 +71.04 12.50 83.89 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00172 00014 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 076324 038 2005 02 07 21 12 05 +47.42 +70.65 12.51 84.41 00131 00007 00638 00035 00304 00015 00082 00004 00051 00005 00122 00010 99999 99999 99999 99999 00172 00013 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00030 00003 00113 00010 99999 99999 00075 00006 99999 99999 076422 038 2005 02 07 21 13 43 +47.27 +70.46 12.50 84.67 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00168 00014 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 076508 038 2005 02 07 21 15 09 +47.13 +70.28 12.50 84.92 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00093 00007 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00137 00008 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 076598 038 2005 02 07 21 16 39 +46.98 +70.10 12.50 85.19 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00184 00015 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 076691 038 2005 02 07 21 18 12 +46.82 +69.90 12.50 85.46 00128 00007 00675 00036 00308 00016 00084 00004 00051 00005 00119 00010 99999 99999 99999 99999 00173 00013 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 99999 00029 00003 00115 00011 99999 99999 00072 00006 99999 99999