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 23 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 73290.75 191.2 73300.75 208.5 73310.75 101.9 73325.75 171.0 73345.75 69.9 73360.75 117.8 73370.75 202.8 73380.75 93.1 73395.75 270.6 73415.75 162.8 73430.75 72.5 73440.75 152.8 73450.75 157.3 73465.75 255.0 73485.75 82.3 73500.75 188.2 73510.75 161.7 73520.75 233.0 73535.75 65.7 73555.75 134.2 73570.75 179.2 73580.75 192.1 73590.75 212.2 73605.75 178.5 73625.75 205.6 73640.75 8.6 73660.75 226.3 73675.75 197.1 73685.75 225.8 73695.75 234.3 73710.75 61.6 73730.75 145.7 73745.75 121.5 73755.75 289.1 73765.75 118.7 73780.75 110.5 73800.75 210.0 73815.75 214.7 73825.75 218.0 73835.75 330.6 73850.75 168.0 73870.75 271.8 73885.75 153.4 73895.75 186.1 73905.75 89.7 73920.75 238.9 73940.75 235.8 73955.75 286.2 73965.75 160.0 73975.75 83.8 73990.75 239.3 74010.75 293.6 74025.75 114.1 74035.75 96.6 74045.75 138.3 74060.75 212.3 74080.75 152.4 74095.75 257.8 74105.75 222.7 74115.75 408.2 74130.75 232.4 74150.75 124.5 74165.75 176.5 74175.75 305.3 74185.75 149.1 74200.75 123.8 74220.75 87.0 74235.75 201.5 74245.75 245.7 74255.75 206.6 74270.75 242.1 74290.75 206.4 74305.75 235.9 74315.75 267.0 74325.75 255.7 74340.75 188.2 74360.75 241.7 74375.75 157.9 74385.75 153.4 74395.75 280.4 74410.75 90.3 74430.75 263.7 74445.75 218.6 74455.75 81.2 74465.75 325.7 74480.75 201.7 74500.75 235.9 74515.75 196.6 74525.75 164.1 74535.75 211.3 74550.75 183.1 74570.75 168.2 74585.75 205.7 74595.75 125.9 74605.75 259.7 74620.75 228.6 74640.75 92.7 74655.75 150.9 74665.75 159.0 74675.75 49.0 74690.75 171.8 74710.75 75.2 74725.75 117.3 74735.75 174.9 74745.75 237.0 74760.75 189.3 74780.75 243.3 74795.75 36.1 74805.75 175.1 74815.75 84.9 74830.75 126.2 74850.75 109.3 74865.75 225.9 74875.75 145.3 74885.75 80.3 74900.75 106.7 74920.75 250.6 74935.75 140.3 74945.75 238.1 74955.75 188.7 74969.75 183.8 74989.75 261.7 75005.75 243.3 75014.75 198.7 75024.75 206.9 75039.75 223.4 75059.75 128.8 75074.75 226.7 75084.75 121.8 75094.75 221.8 75109.75 158.7 75129.75 145.0 75144.75 158.1 75154.75 78.9 75164.75 143.3 75179.75 88.6 75199.75 120.7 75214.75 76.5 75224.75 226.6 75234.75 107.5 75249.75 139.1 75269.75 100.6 75284.75 17.1 75294.75 132.4 75304.75 53.1 75319.75 45.6 75339.75 124.6 75354.75 100.5 75364.75 146.2 75374.75 133.1 75389.75 151.3 75409.75 84.0 76059.75 382.0 76069.75 432.6 76089.75 406.9 76109.75 274.6 76124.75 369.5 76134.75 229.6 76144.75 267.5 76159.75 312.6 76179.75 315.5 76194.75 227.8 76204.75 280.2 76214.75 221.1 76229.75 306.7 76249.75 204.9 76264.75 264.1 76274.75 257.2 76284.75 192.6 76299.75 224.1 76319.75 243.0 76334.75 349.9 76344.75 226.0 76354.75 225.5 76369.75 207.0 76389.75 224.9 76404.75 306.2 76414.75 287.4 76424.75 281.7 76439.75 137.2 76459.75 237.7 76474.75 146.7 76484.75 216.7 76494.75 200.5 76509.75 180.1 76529.75 250.7 76544.75 191.4 76554.75 207.4 76564.75 283.3 76579.75 279.6 76599.75 212.1 76614.75 255.2 76624.75 199.7 76634.75 229.9 76649.75 148.7 76669.75 181.3 76684.75 291.3 76694.75 271.6 76704.75 184.3 76719.75 233.4 76739.75 148.6 76754.75 144.6 76764.75 208.4 76774.75 200.6 76789.75 137.7 76809.75 204.9 76824.75 267.0 76834.75 258.6 76844.75 205.4 76859.75 229.9 76879.75 90.4 76894.75 128.9 76904.75 218.2 76914.75 110.5 76929.75 263.2 76949.75 152.5 76964.75 207.7 76974.75 194.5 76984.75 132.3 76999.75 139.8 77019.75 150.0 77034.75 116.0 77044.75 263.0 77054.75 253.7 77069.75 168.9 77089.75 256.2 77104.75 312.6 77114.75 260.9 77124.75 270.4 77139.75 194.6 77159.75 234.1 77174.75 226.7 77184.75 198.7 77194.75 154.9 77209.75 247.4 77229.75 277.3 77244.75 100.1 77254.75 153.2 77264.75 230.7 77279.75 194.6 77299.75 156.3 77314.75 155.7 77324.75 187.7 77334.75 250.2 77349.75 203.6 77369.75 140.4 77384.75 184.6 77394.75 251.4 77404.75 189.3 77419.75 149.5 77439.75 128.9 77454.75 266.1 77464.75 305.4 77474.75 162.9 77489.75 105.3 77509.75 178.5 77524.75 151.3 77534.75 143.4 77544.75 167.2 77559.75 187.3 77579.75 169.0 77594.75 279.5 77604.75 106.8 77614.75 167.2 77629.75 278.8 77649.75 268.4 77664.75 242.7 77674.75 178.4 77684.75 214.8 77839.75 247.8 77849.75 268.7 77859.75 252.8 77874.75 126.9 77894.75 156.4 77909.75 208.3 77919.75 196.9 77929.75 116.7 77944.75 162.9 77963.75 210.9 77979.75 191.9 77989.75 146.8 77998.75 178.2 78013.75 233.3 78034.75 229.2 78049.75 209.0 78059.75 236.6 78068.75 334.4 78083.75 255.0 78103.75 233.7 78118.75 206.3 78128.75 160.6 78138.75 196.3 78153.75 226.5 78173.75 184.8 78188.75 197.4 78198.75 229.5 78208.75 158.7 78223.75 189.1 78243.75 169.0 78258.75 88.5 78268.75 115.8 78278.75 97.4 78293.75 216.9 78313.75 151.4 78328.75 122.0 78338.75 124.9 78348.75 89.0 78363.75 224.6 78383.75 281.4 78398.75 226.6 78408.75 112.1 78418.75 50.1 78433.75 284.4 78453.75 98.6 78468.75 133.4 78478.75 171.6 78488.75 199.4 78503.75 48.8 78523.75 65.2 78538.75 110.6 78548.75 -14.7 78558.75 131.5 78573.75 11.2 78593.75 157.9 78608.75 63.6 78618.75 53.9 78628.75 121.2 78643.75 91.9 78663.75 176.0 78678.75 125.8 78688.75 109.3 78698.75 62.6 78713.75 108.7 78733.75 1.5 78748.75 128.9 78758.75 174.3 78768.75 170.9 78783.75 141.0 78803.75 216.0 78818.75 42.2 78828.75 160.1 78838.75 86.6 78853.75 127.0 78873.75 184.2 78888.75 101.7 78898.75 167.1 78908.75 81.9 78923.75 216.6 78943.75 114.3 78958.75 98.2 78968.75 126.3 78978.75 67.0 78993.75 96.0 79013.75 90.8 79028.75 126.8 79038.75 107.8 79048.75 205.5 79063.75 176.9 79083.75 71.3 79098.75 172.8 79108.75 154.0 79118.75 191.8 79133.75 90.5 79153.75 68.8 79168.75 188.4 79178.75 194.0 79188.75 155.5 79203.75 140.9 79223.75 128.5 79238.75 111.1 79248.75 142.8 79258.75 45.8 79273.75 40.2 79293.75 133.6 79308.75 129.7 79318.75 85.2 79328.75 60.8 79343.75 98.1 79363.75 70.1 79378.75 84.5 79388.75 150.6 79398.75 37.3 79413.75 79.9 79433.75 153.2 79448.75 42.5 79458.75 115.6 79468.75 82.8 79483.75 88.2 79503.75 149.3 79518.75 165.4 79528.75 179.3 79538.75 193.4 79553.75 151.3 79573.75 29.1 79588.75 132.0 79598.75 105.6 79608.75 140.7 79623.75 160.8 79643.75 198.9 79658.75 66.0 79668.75 59.3 79678.75 247.0 79693.75 167.2 79713.75 229.9 79728.75 83.6 79738.75 101.6 79748.75 144.0 79763.75 50.0 79783.75 133.6 79798.75 63.5 79808.75 58.8 79818.75 -65.7 79833.75 22.7 79853.75 102.0 79868.75 30.5 79878.75 117.2 79888.75 28.0 79903.75 28.1 79923.75 -40.9 79938.75 -18.2 79948.75 6.0 79958.75 50.0 80623.75 102.0 80638.75 295.8 80648.75 90.2 80658.75 68.9 80673.75 30.1 80693.75 139.0 80708.75 74.3 80718.75 26.3 80728.75 123.9 80743.75 34.9 80763.75 74.9 80778.75 -61.2 80788.75 53.6 80798.75 89.9 80813.75 -29.7 80833.75 -19.4 80848.75 71.0 80858.75 46.6 80868.75 158.4 80883.75 28.3 80903.75 -10.1 80918.75 48.4 80928.75 12.2 80938.75 52.1 80953.75 -8.7 80973.75 -8.8 80988.75 84.3 80998.75 -25.8 81008.75 77.4 81023.75 121.5 81043.75 100.9 81058.75 31.1 81068.75 77.3 81077.75 105.2 81092.75 176.9 81112.75 178.3 81127.75 117.0 81137.75 245.0 81147.75 109.8 81162.75 165.5 81182.75 11.4 81197.75 80.4 81207.75 1.5 81217.75 6.3 81232.75 -8.8 81252.75 64.2 81267.75 135.1 81277.75 75.0 81287.75 133.2 81302.75 112.5 81322.75 72.4 81337.75 155.6 81347.75 90.9 81357.75 112.1 81372.75 75.8 81392.75 119.0 81407.75 75.0 81417.75 100.1 81427.75 212.6 81442.75 116.9 81462.75 147.4 81477.75 24.6 81487.75 264.9 81497.75 275.7 81512.75 213.8 81532.75 111.5 81547.75 146.5 81557.75 142.6 81567.75 176.9 81582.75 168.8 81602.75 120.0 81617.75 60.6 81627.75 168.9 81637.75 83.8 81652.75 68.3 81672.75 99.1 81687.75 227.9 81697.75 258.5 81707.75 118.1 81722.75 146.7 81742.75 162.5 81757.75 136.9 81767.75 191.4 81777.75 231.2 81792.75 260.9 81812.75 184.7 81827.75 260.3 81837.75 168.2 81847.75 254.9 81862.75 182.6 81882.75 253.1 81897.75 194.1 81907.75 225.4 81917.75 270.5 81932.75 253.0 81952.75 292.7 81967.75 189.0 81977.75 206.3 81987.75 150.4 82002.75 218.0 82022.75 199.4 82037.75 234.1 82047.75 211.0 82057.75 254.0 82072.75 166.6 82092.75 179.1 82107.75 238.8 82117.75 285.3 82127.75 166.0 82142.75 117.5 82162.75 242.8 82177.75 261.2 82187.75 270.2 82197.75 213.9 82212.75 203.7 82232.75 262.3 82387.75 221.8 82397.75 195.8 82407.75 214.6 82422.75 263.9 82442.75 126.4 82457.75 302.4 82467.75 186.4 82477.75 204.6 82492.75 243.1 82512.75 198.6 82527.75 109.4 82537.75 79.8 82547.75 146.6 82562.75 242.0 82582.75 129.3 82597.75 197.0 82607.75 212.7 82617.75 114.5 82632.75 314.7 82653.00 199.7 82667.75 306.2 82677.75 189.6 82687.75 234.0 82702.75 209.2 82722.75 273.4 82737.75 289.3 82747.75 281.7 82757.75 203.3 82772.75 265.9 82807.75 210.8 82817.75 277.4 82827.75 317.6 82842.75 279.1 82862.75 290.1 82877.75 282.4 82887.75 392.4 82897.75 297.3 82912.75 179.3 82932.75 375.6 82947.75 289.2 82957.75 333.3 82967.75 377.0 82982.75 356.6 83002.75 217.2 83017.75 320.2 83027.75 368.8 83037.75 247.3 83052.75 269.2 83072.75 183.8 83092.75 248.0 83102.75 337.2 83122.75 282.4 83142.75 196.1 83157.75 359.0 83167.75 256.6 83177.75 239.4 83192.75 262.4 83212.75 319.0 83227.75 181.1 83242.75 270.4 83262.75 325.5 83282.75 306.2 83297.75 236.4 83307.75 320.0 83317.75 344.2 83332.75 261.9 83352.75 375.6 83367.75 274.5 83387.75 196.6 83402.75 253.4 83422.75 254.5 83437.75 225.5 83447.75 274.8 83457.75 245.5 83472.75 242.3 83492.75 368.9 83507.75 243.7 83517.75 213.6 83528.00 163.2 83542.75 265.1 83562.75 254.5 83577.75 292.6 83587.75 283.3 83597.75 272.7 83612.75 306.9 83632.75 355.2 83647.75 189.3 83657.75 239.1 83682.75 185.6 83702.75 273.8 83717.75 249.8 83727.75 278.0 83737.75 216.1 83752.75 240.0 83772.75 234.9 83787.75 185.1 83797.75 226.6 83807.75 239.9 83822.75 268.5 83842.75 253.7 83857.75 263.4 83867.75 223.4 83877.75 187.4 83892.75 299.3 83912.75 277.7 83927.75 283.1 83937.75 255.4 83947.75 254.2 83982.75 253.4 83997.75 259.5 84007.75 216.5 84017.75 137.3 84032.75 99.2 84052.75 126.4 84067.75 199.2 84077.75 216.4 84087.75 258.5 84101.75 358.0 84122.75 225.1 84136.75 203.1 84146.75 319.8 84156.75 175.8 84171.75 269.4 84191.75 254.3 84206.75 142.5 84216.75 281.2 84226.75 203.6 84241.75 284.6 84261.75 338.5 84276.75 148.4 84286.75 231.7 84296.75 165.8 84311.75 171.0 84331.75 151.4 84346.75 192.7 84356.75 189.6 84366.75 228.0 84381.75 266.4 84402.00 261.2 84416.75 319.9 84426.75 198.7 84436.75 237.8 84451.75 185.6 84471.75 250.0 84486.75 233.4 84496.75 295.9 84506.75 163.7 85152.00 309.9 85172.00 306.4 85187.00 284.9 85197.00 299.7 85207.00 326.8 85222.00 236.1 85242.00 290.8 85257.00 196.8 85267.00 285.7 85277.00 255.1 85292.00 308.5 85312.00 330.6 85327.00 347.4 85337.00 321.3 85347.00 241.4 85362.00 302.9 85382.00 418.1 85397.00 365.8 85407.00 344.2 85417.00 313.4 85432.00 300.7 85452.00 240.5 85467.00 316.9 85477.00 293.8 85487.00 293.5 85502.00 229.3 85522.00 357.5 85537.00 385.6 85547.00 328.9 85557.00 320.5 85572.00 288.8 85592.00 243.1 85607.00 385.4 85617.00 182.0 85627.00 254.4 85642.00 281.9 85662.00 199.5 85677.00 194.0 85687.00 292.6 85697.00 305.3 85712.00 302.8 85732.00 259.2 85747.00 233.1 85757.00 205.9 85767.00 339.0 85782.00 182.5 85802.00 296.2 85817.00 228.2 85827.00 268.5 85837.00 328.5 85852.00 334.2 85872.00 275.0 85887.00 266.7 85897.00 235.7 85907.00 292.3 85922.00 316.5 85942.00 323.5 85957.00 293.8 85967.00 300.0 85977.00 285.9 85992.00 351.4 86012.00 251.5 86027.00 282.1 86037.00 239.4 86047.00 205.8 86062.00 269.6 86082.00 293.5 86097.00 320.3 86107.00 261.3 86117.00 262.4 86132.00 331.0 86152.00 361.3 86167.00 348.5 86177.00 220.1 86187.00 323.3 86202.00 253.9 86222.00 332.2 86237.00 343.5 86247.00 333.9 86257.00 304.2 86272.00 285.4 86292.00 264.7 86307.00 213.8 86317.00 285.6 86327.00 416.9 86342.00 344.3 86362.00 297.3 86377.00 324.2 86387.00 265.8 86397.00 304.1 86412.00 321.3 86432.00 271.5 86447.00 323.3 86457.00 174.2 86467.00 287.0 86482.00 187.7 86502.00 275.0 86517.00 218.0 86527.00 282.7 86537.00 142.9 86552.00 119.8 86572.00 204.8 86587.00 231.9 86597.00 108.0 86607.00 178.2 86622.00 138.5 86642.00 200.2 86657.00 198.8 86667.00 179.3 86677.00 225.8 86692.00 188.2 86712.00 168.5 86727.00 172.0 86737.00 144.0 86747.00 168.1 86762.00 253.2 86782.00 145.8 86937.00 267.5 86947.00 225.4 86957.00 249.4 86972.00 161.5 86992.00 222.6 87007.00 293.5 87017.00 165.0 87027.00 140.7 87042.00 124.2 87062.00 248.3 87077.00 218.7 87087.00 257.8 87097.00 244.8 87112.00 116.0 87132.00 232.8 87147.00 205.7 87157.00 202.9 87167.00 273.3 87182.00 206.4 87201.00 214.9 87217.00 230.7 87226.00 236.0 87236.00 137.0 87251.00 230.2 87271.00 232.8 87286.00 263.7 87296.00 206.8 87306.00 226.4 87321.00 262.5 87341.00 133.7 87356.00 283.1 87366.00 343.1 87376.00 276.1 87391.00 298.8 87411.00 199.8 87426.00 220.6 87436.00 271.5 87446.00 262.4 87461.00 238.8 87481.00 179.3 87496.00 281.9 87506.00 284.0 87516.00 245.1 87531.00 227.1 87551.00 342.3 87566.00 304.4 87576.00 244.2 87586.00 276.1 87601.00 239.7 87621.00 305.1 87636.00 289.8 87646.00 271.9 87656.00 332.5 87671.00 321.8 87691.00 379.3 87706.00 322.0 87716.00 350.2 87726.00 267.7 87741.00 410.5 87761.00 238.9 87776.00 239.8 87786.00 312.5 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