43 1010 "Talbot, Robert and Dibb, Jack " University of New Hampshire DC-8 Atmospheric Aerosol Chemical Composition SONEX 1 1 1997 10 25 1998 3 16 0 Midpoint of sampling interval in elapsed seconds from 00Z on takeoff date. 9 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 99999 99999 99999 99999 99999 99999 99999 99999 99999 Nitrate (NO3) Mixing Ratio (pptv) Sulfate (SO4) Mixing Ratio (pptv) Oxalate (C2O4) Mixing Ratio (pptv) Ammonium (NH4) Mixing Ratio (pptv) Potassium (K) Mixing Ratio (pptv) Magnesium (Mg) Mixing Ratio (pptv) Calcium (Ca) Mixing Ratio (pptv) Beryllium-7 (Be-7) Specific Activity (fCi/scm) Lead-210 (Pb-210) Specific Activity (fCi/scm) 2 1.0 1.0 99999 99999 Start Time; seconds Stop Time; seconds 0 15 "Species mixing ratios are reported in parts per trillion by volume, except for Be-7 and Pb-210." Mixing ratio below limit of detection indicated as 88888. Start and stop times (in Universal Time) for individual samples are reported in elapsed seconds from 0:00 z of the day of takeoff. Average uncertainties in mixing ratios are as follows: "NO3 20%, SO4 13%, C2O4 10%, NH4 15%, K 20%, Mg 10%, " "Ca 10%, Be-7 15%, Pb-210 20%. " Please note that it is not possible to use these data on time scales shorter than reported here. The most useful and appropriate method of comparing the UNH aerosol data to other SUCCESS data is to average the higher resolution measurements over the reported aerosol sampling time intervals. Direct questions about these data to R. Talbot or J. Dibb at: "Institute for the Study of Earth, Oceans and Space, " "Morse Hall, University of New Hampshire, Durham, NH 03824. " e-mail: rwt@christa.unh.edu or jed@unh.edu 31755 31290 32220 28.2 15.1 2.6 92.1 1.6 88888.0 4.1 1404 99999 32760 32340 33180 5.1 11.2 88888.0 26.2 88888.0 88888.0 88888.0 1148 99999 33825 33300 34350 10.0 32.8 5.5 64.0 88888.0 88888.0 88888.0 914 99999 35257.5 34815 35700 88888.0 34.6 88888.0 88888.0 88888.0 88888.0 88888.0 3248 99999 36300 35820 36780 88888.0 53.2 88888.0 38.4 88888.0 88888.0 88888.0 6250 99999 37380 36900 37860 10.0 72.7 88888.0 175.4 88888.0 88888.0 88888.0 11087 99999 38460 37980 38940 10.4 74.9 88888.0 147.8 88888.0 88888.0 88888.0 8999 99999 39630 39060 40200 6.5 80.6 7.9 119.1 88888.0 88888.0 88888.0 9804 99999 40990 40460 41520 88888.0 78.4 88888.0 36.3 88888.0 88888.0 88888.0 8366 99999 42150 41640 42660 88888.0 82.8 5.9 107.8 88888.0 88888.0 88888.0 10035 99999 43650 43080 44220 88888.0 57.9 2.8 110.3 88888.0 88888.0 88888.0 3747 99999 44895 44340 45450 0.1 57.2 3.6 139.0 88888.0 88888.0 88888.0 2184 99999 46590 46020 47160 0.7 30.3 88888.0 86.8 88888.0 1.5 2.9 442 99999 47850 47280 48420 6.6 32.6 88888.0 51.4 88888.0 88888.0 88888.0 539 99999 49080 48540 49620 15.8 110.3 3.6 197.8 15.1 88888.0 88888.0 693 99999 50505 50130 50880 88888.0 39.3 88888.0 64.5 88888.0 88888.0 88888.0 641 99999 51360 51000 51720 5.0 20.7 88888.0 6.2 88888.0 88888.0 88888.0 1263 99999 52830 52260 53400 88888.0 35.2 88888.0 57.1 88888.0 88888.0 88888.0 1580 99999 54255 53520 54990 9.7 23.0 88888.0 88888.0 4.3 88888.0 88888.0 863 99999