34 2110 A. Kleinboehl, J. Kuttipurath, M. Sinnhuber, H. Kuellmann, K. F. Kuenzi Institute of Environmental Physics, University of Bremen, Email: kleinb@iup.physik.uni-bremen.de ASUR submillimeter wave measurement of HNO3 volume mixing ratio profiles EUPLEX 1 1 2003 01 26 2003 05 18 0.0 0.0 Altitude of observation (meters) UT time of day in s 2 1 1 99.99 99.99 Volume mixing ratio of HNO3 (ppb) 1-sigma statistical error of HNO3 volume mixing ratio (ppb) 3 1 1 1 99 999.99 9999.99 Number of observation altitudes Latitude (North) Longitude (East) 0 11 These profiles are retrieved from pressure broadened emission lines with a vertical resolution of 5-10 km calculated on a 2 km vertical grid. The error given is the 1-sigma statistical error, derived from the measurement noise. The accuracy is estimated to be ~15% or 0.6 ppb, whichever is higher. The profiles are retrieved using synoptic pressure and temperature profiles from DAO meteorological analyses. TIME [s] after 0 UT; NO. of ALTITUDE STEPS; LATITUDE (NORTH); LONGITUDE (EAST) ALTITUDE [m]; HNO3 VMR [ppb]; HNO3 1-SIGMA [ppb] 35541.4 14 73.96 23.11 14000.0 8.26 0.26 16000.0 9.50 0.15 18000.0 9.81 0.19 20000.0 9.31 0.24 22000.0 8.43 0.23 24000.0 7.51 0.18 26000.0 6.70 0.16 28000.0 5.89 0.17 30000.0 5.02 0.18 32000.0 4.14 0.19 34000.0 3.27 0.20 36000.0 2.45 0.20 38000.0 1.73 0.21 40000.0 1.14 0.21 37781.4 14 77.97 26.91 14000.0 8.31 0.28 16000.0 9.02 0.16 18000.0 8.90 0.21 20000.0 8.23 0.27 22000.0 7.35 0.25 24000.0 6.50 0.21 26000.0 5.75 0.19 28000.0 5.03 0.19 30000.0 4.28 0.21 32000.0 3.55 0.21 34000.0 2.84 0.22 36000.0 2.16 0.23 38000.0 1.58 0.23 40000.0 1.11 0.24 37882.7 14 78.15 27.14 14000.0 8.72 0.27 16000.0 9.16 0.15 18000.0 8.75 0.20 20000.0 7.87 0.26 22000.0 6.88 0.24 24000.0 6.05 0.19 26000.0 5.42 0.18 28000.0 4.88 0.18 30000.0 4.35 0.19 32000.0 3.81 0.20 34000.0 3.22 0.21 36000.0 2.58 0.21 38000.0 1.94 0.22 40000.0 1.36 0.23 40861.9 14 76.50 24.75 14000.0 8.06 0.35 16000.0 8.62 0.20 18000.0 8.63 0.27 20000.0 8.25 0.34 22000.0 7.56 0.32 24000.0 6.79 0.26 26000.0 6.03 0.23 28000.0 5.21 0.24 30000.0 4.36 0.26 32000.0 3.60 0.27 34000.0 2.89 0.28 36000.0 2.24 0.29 38000.0 1.66 0.29 40000.0 1.20 0.30 43379.2 14 71.60 21.52 14000.0 7.91 0.28 16000.0 9.04 0.16 18000.0 9.48 0.20 20000.0 9.22 0.26 22000.0 8.47 0.24 24000.0 7.54 0.20 26000.0 6.65 0.18 28000.0 5.81 0.18 30000.0 5.01 0.20 32000.0 4.27 0.21 34000.0 3.59 0.21 36000.0 2.97 0.22 38000.0 2.40 0.22 40000.0 1.91 0.23