23 1001 K.K. Perkins (kathy@huarp.harvard.edu), R.C. Cohen, L.C. Koch, R.M. Stimpfle, J.G. Anderson Harvard University, Cambridge, MA; University of California, Berkeley, CA Harvard NO2 POLARIS 1 1 1997 09 11 1998 5 20 0 Elapsed time (sec) from 0 GMT on flight day 1 1.0 999999.9 NO2 Volume Mixing Ratio (pptv) 6 Estimated Accuracy (2 sigma): +/- 20 percent Estimated Zero Offset error (2 sigma): +/- 50ppt Average Detection Limit (S/N=2 in 10 seconds): 40 ppt (Spring Deployment), 70 ppt (Summer/Fall Deployments) The zero offset error is an upper limit appropriate for all flights. For information on flight-specific errors, please contact the investigators. 2 ********** Final Data ********** Time NO2 9833.25 418.5 9843.25 324.4 9863.25 285.0 9883.25 181.2 9898.25 249.2 9908.25 285.4 9918.25 283.6 9933.25 203.2 9953.25 229.0 9968.25 220.0 9978.25 236.7 9988.25 274.6 10003.25 248.2 10023.25 215.2 10038.25 351.0 10048.25 210.1 10058.25 379.1 10073.25 179.8 10093.25 283.7 10743.25 514.8 10753.25 543.7 10773.25 581.3 10793.25 566.4 10808.25 442.5 10818.25 565.8 10828.25 547.4 10843.25 651.4 10863.25 574.1 10878.25 610.4 10888.25 641.4 10898.25 647.1 10913.25 584.3 10933.25 571.0 10948.25 566.5 10958.25 627.5 10968.25 566.3 10983.25 536.4 11003.25 554.0 11018.25 668.9 11028.25 636.0 11038.25 576.7 11053.25 528.7 11073.25 637.0 11088.25 691.0 11098.25 608.1 11108.25 616.9 11123.25 565.9 11143.25 638.6 11158.25 540.3 11168.25 658.1 11178.25 715.8 11193.25 570.7 11213.25 590.9 11228.25 664.2 11238.25 576.9 11248.25 541.4 11263.25 559.2 11283.25 558.5 11298.25 573.9 11308.25 666.4 11318.25 625.0 11333.25 668.6 11353.25 683.0 11368.25 631.2 11378.25 632.7 11388.25 575.9 11403.25 547.4 11423.25 599.5 11438.25 623.0 11448.25 653.4 11458.25 591.4 11473.25 673.9 11493.25 672.7 11508.25 674.3 11518.25 662.7 11528.25 648.6 11543.25 648.4 11563.25 614.8 11578.25 664.6 11588.25 536.1 11598.25 556.3 11613.25 606.5 11633.25 577.2 11648.25 551.4 11658.25 648.9 11668.25 609.0 11683.25 635.2 11703.25 513.4 11718.25 505.6 11728.25 605.8 11738.25 639.7 11753.25 613.0 11773.25 557.1 11788.25 550.3 11798.25 579.6 11808.25 553.1 11823.25 580.3 11843.25 638.2 11858.25 616.3 11868.25 546.3 11878.25 465.5 11893.25 507.2 11913.25 532.9 11928.25 601.6 11938.25 558.0 11948.25 497.8 11963.25 484.6 11983.25 586.3 11998.25 551.7 12008.25 557.4 12018.25 506.8 12033.25 506.0 12053.25 507.1 12068.25 620.8 12078.25 629.0 12088.25 563.5 12103.25 540.3 12123.25 519.4 12138.25 567.3 12148.25 433.9 12158.25 540.7 12173.25 617.3 12193.25 580.5 12208.25 534.8 12218.25 621.6 12228.25 618.9 12243.25 618.2 12262.25 559.5 12278.25 654.5 12288.25 690.5 12297.25 581.1 12313.25 531.3 12332.25 589.1 12348.25 624.5 12357.25 596.1 12367.25 558.4 12522.25 507.6 12532.25 533.6 12542.25 504.9 12557.25 532.1 12577.25 522.5 12592.25 543.8 12602.25 564.9 12612.25 509.7 12627.25 513.5 12647.25 608.1 12662.25 565.2 12672.25 542.8 12682.25 530.0 12697.25 579.4 12717.25 579.3 12732.25 554.5 12742.25 700.8 12752.25 586.8 12767.25 590.7 12787.25 580.1 12802.25 546.9 12812.25 532.6 12822.25 539.1 12837.25 577.8 12857.25 649.3 12872.25 635.7 12882.25 682.6 12892.25 631.5 12907.25 592.1 12927.25 617.9 12942.25 583.8 12952.25 598.6 12962.25 606.3 12977.25 586.4 12997.25 729.5 13012.25 588.1 13022.25 691.3 13032.25 724.7 13047.25 651.8 13067.25 628.4 13082.25 685.9 13092.25 614.6 13102.25 604.5 13117.25 579.9 13137.25 648.5 13152.25 590.1 13162.25 688.7 13172.25 577.6 13187.25 682.9 13207.25 546.6 13222.25 588.8 13232.25 646.0 13242.25 638.8 13257.25 621.7 13277.25 730.6 13292.25 735.6 13302.25 664.1 13312.25 691.3 13327.25 723.9 13347.25 682.1 13362.25 708.3 13372.25 610.5 13382.25 699.3 13397.25 699.4 13417.25 665.4 13432.25 617.3 13442.25 588.0 13452.25 561.4 13467.25 569.6 13487.25 534.8 13502.25 580.0 13512.25 652.9 13522.25 625.7 13537.25 609.0 13557.25 628.6 13572.25 566.8 13582.25 630.9 13592.25 628.9 13607.25 568.3 13627.25 575.4 13642.25 542.1 13652.25 566.7 13662.25 523.9 13677.25 499.4 13697.25 599.8 13712.25 629.1 13722.25 470.0 13732.25 475.5 13747.25 617.7 13767.25 612.8 13782.25 542.3 13792.25 569.6 13802.25 585.8 13817.25 660.0 13837.25 544.2 13852.25 583.0 13862.25 546.7 13872.25 478.0 13887.25 564.7 13907.25 610.5 13922.25 608.2 13932.25 558.6 13942.25 633.9 13957.25 516.3 13977.25 556.2 13992.25 651.3 14002.25 661.1 14012.25 635.2 14027.25 683.8 14047.25 547.3 14062.25 632.1 14072.25 630.3 14082.25 608.8 14097.25 603.5 14117.25 606.4 14132.25 659.3 14142.25 735.4 14152.25 1584.8 14167.25 633.5 14187.25 780.4 14202.25 704.6 14212.25 684.6 14222.25 676.9 14237.25 647.2 14257.25 679.2 14272.25 689.0 14282.25 615.1 14292.25 574.9 14307.25 668.8 14327.25 559.3 14342.25 629.0 14352.25 631.1 14362.25 651.4 14377.25 669.7 14397.25 603.4 14412.25 622.8 14422.25 602.7 14432.25 620.6 14447.25 604.5 14467.25 619.9 14482.25 596.2 14492.25 567.1 14502.25 590.8 14517.25 601.6 14537.25 599.1 14552.25 648.5 14562.25 675.0 14572.25 625.0 14587.25 703.8 14607.25 681.5 14622.25 714.3 14632.25 616.2 14642.25 1050.9 15292.25 707.3 15302.25 637.2 15322.25 652.0 15342.25 690.3 15357.25 657.0 15367.25 783.4 15377.25 654.6 15392.25 601.3 15412.25 744.9 15426.25 646.2 15436.25 528.1 15446.25 578.9 15462.25 660.5 15482.25 700.2 15497.25 664.4 15506.25 645.6 15516.25 630.9 15531.25 583.2 15551.25 607.6 15566.25 733.2 15576.25 657.7 15586.25 663.6 15601.25 758.1 15621.25 707.8 15636.25 703.4 15646.25 699.3 15656.25 659.5 15671.25 674.8 15691.25 773.3 15706.25 627.9 15716.25 675.2 15726.25 636.4 15741.25 680.6 15761.25 744.2 15776.25 687.0 15786.25 735.3 15796.25 772.3 15811.25 722.9 15831.25 729.2 15846.25 668.5 15856.25 742.4 15866.25 674.6 15881.25 646.7 15901.25 676.2 15916.25 727.4 15926.25 695.2 15936.25 687.2 15951.25 998.9 15971.25 684.3 15986.25 711.5 15996.25 806.7 16006.25 749.9 16021.25 830.9 16041.25 776.8 16056.25 787.3 16066.25 864.6 16076.25 795.5 16091.25 747.6 16111.25 698.2 16126.25 746.5 16136.25 740.4 16146.25 701.0 16161.25 689.4 16181.25 672.8 16196.25 628.3 16206.25 659.6 16216.25 683.8 16231.25 658.3 16251.25 666.7 16266.25 667.3 16276.25 731.6 16286.25 676.7 16301.25 716.8 16321.25 707.5 16336.25 729.2 16346.25 635.7 16356.25 658.5 16371.25 765.5 16391.25 679.4 16406.25 606.6 16416.25 819.0 16426.25 793.8 16441.25 675.3 16461.25 675.4 16476.25 611.3 16486.25 597.0 16496.25 684.0 16511.25 717.1 16531.25 761.4 16546.25 613.8 16556.25 556.1 16566.25 626.3 16581.25 654.6 16601.25 734.7 16616.25 695.6 16626.25 747.8 16636.25 742.5 16651.25 616.2 16671.25 686.0 16686.25 664.2 16696.25 682.1 16706.25 765.4 16721.25 838.0 16741.25 794.2 16756.25 747.8 16766.25 753.7 16776.25 722.8 16791.25 633.3 16811.25 684.0 16826.25 712.9 16836.25 667.8 16846.25 767.7 16861.25 724.0 16881.25 699.6 16896.25 726.7 16906.25 768.8 16916.25 696.9 17071.25 707.1 17081.25 779.9 17091.25 724.2 17106.25 755.3 17126.25 779.4 17141.25 721.4 17151.25 714.7 17161.25 856.9 17176.25 679.5 17196.25 718.0 17211.25 788.0 17221.25 706.5 17231.25 754.8 17246.25 853.6 17266.25 796.6 17281.25 837.0 17291.25 895.1 17301.25 794.9 17316.25 784.2 17336.25 673.8 17351.25 839.1 17361.25 762.4 17371.25 835.3 17386.25 937.7 17406.25 826.1 17421.25 892.1 17431.25 886.3 17441.25 931.8 17456.25 928.0 17476.25 862.6 17491.25 824.1 17501.25 842.7 17511.25 876.9 17526.25 845.6 17546.25 865.2 17561.25 971.5 17571.25 857.8 17581.25 726.1 17596.25 912.7 17616.25 798.8 17631.25 936.9 17641.25 918.3 17651.25 928.7 17666.25 907.4 17686.25 877.3 17701.25 753.3 17711.25 893.8 17721.25 996.3 17736.25 876.5 17756.25 854.7 17771.25 1039.0 17781.25 977.1 17791.25 1109.8 17806.25 944.8 17826.25 1011.0 17841.25 997.1 17851.25 1100.9 17861.25 1105.7 17876.25 959.2 17896.25 1072.8 17911.25 886.2 17921.25 871.6 17931.25 970.3 17946.25 919.3 17966.25 833.7 17981.25 975.8 17991.25 915.6 18001.25 985.2 18016.25 927.6 18036.25 937.7 18051.25 951.8 18061.25 993.1 18071.25 939.5 18086.25 844.2 18106.25 808.2 18121.25 874.7 18141.25 981.5 18156.25 894.1 18176.25 973.3 18191.25 1002.1 18201.25 928.0 18211.25 964.5 18226.25 823.5 18246.25 1016.3 18261.25 966.0 18271.25 860.3 18281.25 1060.2 18296.25 868.6 18316.25 1046.1 18331.25 938.0 18341.25 892.4 18351.25 900.7 18366.25 933.0 18386.25 1020.8 18401.25 907.5 18411.25 854.2 18421.25 851.2 18436.25 1016.0 18456.25 1000.7 18471.25 880.6 18480.25 1009.9 18490.25 999.9 18506.25 891.7 18525.25 971.4 18540.25 919.9 18550.25 958.3 18561.25 1015.7 18576.25 897.7 18595.25 1034.7 18610.25 1010.8 18620.25 973.3 18630.25 1021.2 18645.25 964.8 18665.25 844.4 18680.25 957.8 18690.25 1672.8 18715.25 993.4 18735.25 906.9 18750.25 978.1 18760.25 876.4 18770.25 865.1 18785.25 994.9 18805.25 917.5 18820.25 882.7 18830.25 903.7 18840.25 999.2 18855.25 974.9 18875.25 971.3 18890.25 916.9 18900.25 927.7 18910.25 914.5 18925.25 833.8 18945.25 901.8 18960.25 1006.5 18970.25 930.0 18980.25 936.8 18995.25 903.6 19015.25 937.2 19030.25 892.7 19040.25 910.2 19050.25 781.3 19065.25 989.6 19085.25 904.2 19100.25 993.8 19110.25 907.4 19120.25 889.1 19135.25 972.3 19155.25 964.9 19170.25 932.3 19180.25 1047.0 19190.25 915.8 19840.25 1029.7 19850.25 1090.1 19870.25 1006.9 19890.25 1001.3 19905.25 951.2 19915.25 974.4 19925.25 920.4 19940.25 1014.1 19960.25 1054.6 19975.25 1007.0 19985.25 1015.1 19995.25 953.7 20010.25 1037.3 20030.25 1005.7 20045.25 1065.5 20055.25 1054.3 20065.25 905.2 20080.25 1089.3 20100.25 985.8 20115.25 932.3 20125.25 1004.3 20135.25 995.9 20150.25 1089.7 20170.25 949.4 20185.25 993.8 20195.25 972.0 20205.25 1081.2 20220.25 1041.0 20240.25 976.7 20255.25 964.7 20265.25 1027.3 20275.25 991.6 20290.25 967.3 20310.25 997.6 20325.25 999.1 20335.25 955.5 20345.25 957.1 20360.25 1067.3 20380.25 907.2 20395.25 1069.0 20405.25 1291.6 20415.25 1180.9 20430.25 1027.5 20450.25 1162.0 20465.25 1134.2 20475.25 1194.8 20485.25 1085.4 20500.25 1059.8 20520.25 1065.5 20535.25 1087.7 20545.25 1016.6 20555.25 1066.8 20570.25 1132.0 20590.25 1019.3 20605.25 1007.3 20615.25 1108.1 20625.25 1038.2 20640.25 931.8 20660.25 958.2 20675.25 1020.1 20685.25 856.1 20695.25 958.7 20710.25 989.8 20730.25 1002.9 20745.25 1027.3 20755.25 998.8 20765.25 1007.0 20780.25 962.6 20800.25 976.0 20815.25 958.9 20825.25 1040.5 20835.25 1069.7 20850.25 1011.5 20870.25 972.0 20885.25 983.1 20895.25 999.0 20905.25 1009.1 20920.25 984.7 20940.25 982.0 20955.25 1043.7 20965.25 1007.5 20975.25 991.8 20990.25 1092.4 21010.25 964.1 21025.25 999.6 21035.25 1081.6 21045.25 878.2 21060.25 879.5 21080.25 963.6 21095.25 998.4 21105.25 941.7 21115.25 937.8 21130.25 948.5 21150.25 802.5 21165.25 836.8 21175.25 933.7 21185.25 828.4 21200.25 908.4 21220.25 901.2 21235.25 935.1 21245.25 874.0 21255.25 898.6 21270.25 836.5 21290.25 811.4 21305.25 893.7 21315.25 857.9 21325.25 812.1 21340.25 966.4 21360.25 816.7 21375.25 1003.5 21385.25 882.4 21395.25 901.8 21410.25 984.0 21430.25 944.0 21445.25 900.2 21455.25 919.6 21465.25 716.6 21620.50 890.4 21630.50 826.1 21639.50 757.6 21654.50 820.8 21674.50 709.0 21689.50 690.0 21699.50 696.4 21709.50 773.0 21724.50 593.6 21744.50 688.6 21759.50 626.9 21769.50 678.0 21779.50 731.0 21794.50 671.5 21814.50 649.2 21829.50 706.5 21839.50 776.6 21849.50 604.1 21864.50 642.6 21884.50 642.6 21899.50 712.6 21909.50 552.2 21919.50 691.9 21934.50 523.9 21954.50 476.7 21969.50 513.9 21979.50 575.6 21989.50 520.3 22004.50 495.2 22024.50 534.3 22039.50 563.9 22049.50 448.4 22059.50 420.4 22074.50 427.7 22094.50 393.0 22109.50 409.3 22119.50 485.4 22129.50 448.0 22144.50 388.6 22164.50 283.3 22179.50 394.3 22189.50 436.2 22199.50 323.8 22214.50 445.4 22234.50 372.8 22249.50 291.1 22259.50 217.5 22269.50 292.7 22284.50 274.3 22304.50 340.3 22319.50 221.3 22339.50 308.8 22354.50 146.8 22364.50 238.9 22374.50 165.2 22389.50 88.6 22409.50 174.6 22424.50 122.4 22434.50 39.1 22444.50 83.1 22459.50 228.5 22479.50 16.9 22494.50 87.6 22504.50 169.4 22514.50 137.8 22529.50 328.4 22549.50 144.2 22564.50 232.9 22574.50 282.4 22584.50 128.2