27 1001 Weinheimer, A. J.; Walega, J. G.; Ridley, B. A. National Center for Atmospheric Research DC-8 in situ NO2, NO, NOy, O3 AASE II 1 1 1992 02 17 1993 07 14 60.0 Time (seconds past 0 UT of flight day in line 7) 1 1.0 99999.9 NO2 (pptv) 0 12 For the 4 channels of the instrument (one reported in this file), counts are accumulated and recorded over common 2-second intervals. O3 and NOy are reduced and reported to the archive for these 2-second intervals. The time archived is the start time of the 2-second interval. NO and NO2 are reduced at 2 seconds, then averaged and reported for 1-minute intervals. For these, the archived time (an even minute) is the center time of the 1-minute averaging interval. At typical altitudes, the residence time of air in the inlet system, prior to actual sampling, is 0.1 to 0.3 seconds, except for the NO2 channel which imposes an additional 4-5 seconds residence time. The NO2 data have been shifted an even 4 seconds to accommodate this. UT(sec) NO2(pptv) 39720 99999.9 39780 99999.9 39840 99999.9 39900 99999.9 39960 99999.9 40020 99999.9 40080 99999.9 40140 99999.9 40200 99999.9 40260 99999.9 40320 99999.9 40380 99999.9 40440 99999.9 40500 99999.9 40560 99999.9 40620 99999.9 40680 99999.9 40740 99999.9 40800 99999.9 40860 99999.9 40920 99999.9 40980 99999.9 41040 99999.9 41100 99999.9 41160 99999.9 41220 99999.9 41280 99999.9 41340 99999.9 41400 99999.9 41460 99999.9 41520 99999.9 41580 99999.9 41640 99999.9 41700 99999.9 41760 99999.9 41820 99999.9 41880 99999.9 41940 99999.9 42000 99999.9 42060 99999.9 42120 99999.9 42180 99999.9 42240 99999.9 42300 99999.9 42360 99999.9 42420 99999.9 42480 99999.9 42540 99999.9 42600 99999.9 42660 99999.9 42720 99999.9 42780 99999.9 42840 99999.9 42900 99999.9 42960 99999.9 43020 99999.9 43080 99999.9 43140 99999.9 43200 99999.9 43260 99999.9 43320 99999.9 43380 99999.9 43440 99999.9 43500 99999.9 43560 99999.9 43620 99999.9 43680 99999.9 43740 99999.9 43800 99999.9 43860 99999.9 43920 99999.9 43980 99999.9 44040 99999.9 44100 99999.9 44160 99999.9 44220 99999.9 44280 99999.9 44340 99999.9 44400 99999.9 44460 99999.9 44520 99999.9 44580 99999.9 44640 99999.9 44700 99999.9 44760 99999.9 44820 99999.9 44880 99999.9 44940 99999.9 45000 99999.9 45060 99999.9 45120 99999.9 45180 99999.9 45240 99999.9 45300 99999.9 45360 99999.9 45420 99999.9 45480 99999.9 45540 99999.9 45600 99999.9 45660 99999.9 45720 99999.9 45780 99999.9 45840 99999.9 45900 99999.9 45960 99999.9 46020 99999.9 46080 99999.9 46140 99999.9 46200 99999.9 46260 99999.9 46320 99999.9 46380 99999.9 46440 99999.9 46500 99999.9 46560 99999.9 46620 99999.9 46680 99999.9 46740 99999.9 46800 99999.9 46860 85.9 46920 84.1 46980 94.2 47040 70.5 47100 67.6 47160 69.2 47220 79.2 47280 83.6 47340 80.7 47400 88.2 47460 81.2 47520 95.1 47580 99999.9 47640 99999.9 47700 99999.9 47760 99999.9 47820 99999.9 47880 99999.9 47940 99999.9 48000 99999.9 48060 99999.9 48120 99999.9 48180 99999.9 48240 99999.9 48300 99999.9 48360 99999.9 48420 99999.9 48480 99999.9 48540 99999.9 48600 99999.9 48660 99999.9 48720 99999.9 48780 99999.9 48840 99999.9 48900 99999.9 48960 99999.9 49020 99999.9 49080 86.8 49140 62.0 49200 70.1 49260 82.5 49320 59.7 49380 52.3 49440 38.0 49500 41.5 49560 31.0 49620 24.8 49680 25.2 49740 11.5 49800 27.4 49860 37.8 49920 99999.9 49980 99999.9 50040 99999.9 50100 99999.9 50160 99999.9 50220 99999.9 50280 99999.9 50340 99999.9 50400 99999.9 50460 99999.9 50520 99999.9 50580 99999.9 50640 99999.9 50700 99999.9 50760 99999.9 50820 24.5 50880 19.0 50940 14.4 51000 15.0 51060 21.2 51120 1.4 51180 8.9 51240 16.0 51300 16.4 51360 17.2 51420 6.6 51480 25.5 51540 27.8 51600 68.5 51660 99999.9 51720 99999.9 51780 99999.9 51840 71.9 51900 99999.9 51960 99999.9 52020 99999.9 52080 99999.9 52140 99999.9 52200 99999.9 52260 99999.9 52320 99999.9 52380 99999.9 52440 99999.9 52500 99999.9 52560 99999.9 52620 99999.9 52680 99999.9 52740 99999.9 52800 99999.9 52860 183.4 52920 109.5 52980 132.6 53040 89.7 53100 46.7 53160 94.6 53220 72.7 53280 68.1 53340 75.8 53400 64.3 53460 91.0 53520 85.1 53580 86.3 53640 97.2 53700 99999.9 53760 99999.9 53820 99999.9 53880 99999.9 53940 99999.9 54000 99999.9 54060 99999.9 54120 99999.9 54180 99999.9 54240 99999.9 54300 99999.9 54360 99999.9 54420 99999.9 54480 99999.9 54540 99999.9 54600 57.6 54660 66.9 54720 68.8 54780 58.8 54840 59.3 54900 58.1 54960 59.7 55020 53.0 55080 43.4 55140 45.0 55200 50.1 55260 61.6 55320 42.9 55380 26.5 55440 99999.9 55500 99999.9 55560 99999.9 55620 99999.9 55680 99999.9 55740 99999.9 55800 99999.9 55860 99999.9 55920 99999.9 55980 99999.9 56040 99999.9 56100 99999.9 56160 99999.9 56220 99999.9 56280 99999.9 56340 99999.9 56400 17.4 56460 12.3 56520 23.7 56580 21.9 56640 40.7 56700 31.6 56760 27.6 56820 12.9 56880 21.8 56940 31.8 57000 25.8 57060 27.4 57120 31.6 57180 30.4 57240 40.8 57300 99999.9 57360 99999.9 57420 99999.9 57480 99999.9 57540 99999.9 57600 99999.9 57660 99999.9 57720 99999.9 57780 99999.9 57840 99999.9 57900 99999.9 57960 99999.9 58020 99999.9 58080 99999.9 58140 99999.9 58200 99999.9 58260 99999.9 58320 99999.9 58380 99999.9 58440 99999.9 58500 99999.9 58560 99999.9 58620 99999.9 58680 99999.9 58740 99999.9 58800 45.6 58860 61.1 58920 59.2 58980 46.3 59040 25.8 59100 43.9 59160 48.2 59220 99999.9 59280 99999.9 59340 99999.9 59400 99999.9 59460 99999.9 59520 99999.9 59580 48.8 59640 32.5 59700 37.1 59760 52.2 59820 51.0 59880 24.6 59940 33.4 60000 43.7 60060 34.7 60120 49.4 60180 32.3 60240 35.0 60300 21.3 60360 51.6 60420 45.5 60480 99999.9 60540 99999.9 60600 99999.9 60660 99999.9 60720 99999.9 60780 99999.9 60840 50.1 60900 44.1 60960 57.8 61020 72.7 61080 58.4 61140 70.0 61200 60.8 61260 65.7 61320 52.8 61380 48.2 61440 30.9 61500 30.0 61560 28.6 61620 51.9 61680 41.3 61740 99999.9 61800 99999.9 61860 99999.9 61920 99999.9 61980 99999.9 62040 99999.9 62100 99999.9 62160 99999.9 62220 31.1 62280 99999.9 62340 99999.9 62400 99999.9 62460 99999.9 62520 99999.9 62580 99999.9 62640 99999.9 62700 99999.9 62760 99999.9 62820 99999.9 62880 99999.9 62940 99999.9 63000 99999.9 63060 99999.9 63120 99999.9 63180 99999.9 63240 15.4 63300 28.2 63360 25.0 63420 22.0 63480 29.5 63540 30.0 63600 27.7 63660 52.4 63720 51.0 63780 67.8 63840 65.4 63900 66.2 63960 51.4 64020 66.2 64080 99999.9 64140 99999.9 64200 99999.9 64260 99999.9 64320 99999.9 64380 99999.9 64440 99999.9 64500 99999.9 64560 99999.9 64620 99999.9 64680 99999.9 64740 99999.9 64800 99999.9 64860 99999.9 64920 99999.9 64980 23.3 65040 26.0 65100 26.6 65160 30.8 65220 16.0 65280 24.4 65340 20.0 65400 9.0 65460 7.9 65520 18.7 65580 13.6 65640 9.0 65700 0.9 65760 -5.3 65820 22.2 65880 17.1 65940 20.9 66000 8.8 66060 -5.6 66120 19.8 66180 15.8 66240 99999.9 66300 99999.9 66360 99999.9 66420 99999.9 66480 99999.9 66540 99999.9 66600 99999.9 66660 99999.9 66720 99999.9 66780 99999.9 66840 99999.9 66900 99999.9 66960 99999.9 67020 99999.9 67080 99999.9 67140 99999.9 67200 99999.9 67260 99999.9 67320 99999.9 67380 99999.9 67440 99999.9 67500 99999.9 67560 99999.9 67620 99999.9 67680 99999.9 67740 99999.9 67800 99999.9 67860 99999.9 67920 99999.9 67980 99999.9 68040 40.7 68100 21.6 68160 21.6 68220 17.5 68280 4.7 68340 14.2 68400 28.7 68460 19.7 68520 47.0 68580 26.7 68640 32.7 68700 32.5 68760 99999.9 68820 99999.9 68880 99999.9 68940 99999.9 69000 99999.9 69060 99999.9 69120 99999.9 69180 99999.9 69240 99999.9 69300 74.5 69360 84.2 69420 61.6 69480 79.1 69540 78.0 69600 79.6 69660 67.7 69720 99999.9 69780 99999.9 69840 99999.9 69900 99999.9 69960 99999.9 70020 99999.9 70080 68.0 70140 53.1 70200 54.8 70260 35.0 70320 48.4 70380 64.4 70440 98.2 70500 113.7 70560 117.3 70620 123.2 70680 160.9 70740 99999.9 70800 99999.9 70860 99999.9 70920 99999.9 70980 99999.9 71040 99999.9 71100 173.2 71160 103.1 71220 77.5 71280 56.1 71340 39.2 71400 18.4 71460 16.2 71520 7.0 71580 9.8 71640 5.8 71700 10.3 71760 4.0 71820 0.7 71880 12.1 71940 2.1 72000 6.1 72060 -14.7 72120 99999.9 72180 99999.9 72240 99999.9 72300 99999.9 72360 99999.9 72420 99999.9