33 1001 Andrews, Arlyn; Boering, Kristie; Daube, Bruce; Wofsy, Steve Harvard University, Cambridge, MA 02138 (617-495-4566) CO2 Experiment POLARIS 1 1 1997 09 10 2002 03 08 0 Elapsed time in UT seconds from 0 hours on flight date 1 1.00 9999.00 Mean Age in years 0 18 These values for mean age were calculated using measurements from Harvard CO2, ALIAS CH4, and ATLAS N2O. Uncertainties are believed to be <0.25 year. Details of the calculation are given in: # Andrews, A.E., K. A. Boering, B. C. Daube, S. C. Wofsy M. Loewenstein, H. Jost, J. R. Podolske, C. R. Webster, R. L. Herman, D. C. Scott, G. J. Flesch, E. J. Moyer, J. W. Elkins, G. S. Dutton, D. F. Hurst, F. L. Moore, E. A. Ray, P. A. Romashkin, and S. E. Strahan, Mean ages of stratospheric air derived from in situ observations of CO2, CH4, and N2O, JGR, 106(D23), 32,295-32,314, 2001. # Contact Arlyn Andrews (now at NOAA Earth System Research Laboratory, ph 303-497-6773, email Arlyn.Andrews@noaa.gov) for more information. # 8884.0 9999.00 8894.0 9999.00 8904.0 9999.00 8914.0 9999.00 8924.0 9999.00 8934.0 9999.00 8944.0 9999.00 8954.0 9999.00 8964.0 9999.00 8974.0 9999.00 8984.0 9999.00 8994.0 9999.00 9004.0 9999.00 9014.0 9999.00 9024.0 9999.00 9034.0 9999.00 9044.0 9999.00 9054.0 9999.00 9064.0 9999.00 9074.0 9999.00 9084.0 9999.00 9094.0 9999.00 9104.0 9999.00 9114.0 9999.00 9124.0 9999.00 9134.0 9999.00 9144.0 9999.00 9154.0 9999.00 9164.0 9999.00 9174.0 9999.00 9184.0 9999.00 9194.0 9999.00 9204.0 9999.00 9214.0 9999.00 9224.0 9999.00 9234.0 9999.00 9244.0 9999.00 9254.0 9999.00 9264.0 9999.00 9274.0 9999.00 9284.0 9999.00 9294.0 9999.00 9304.0 9999.00 9314.0 9999.00 9324.0 9999.00 9334.0 9999.00 9344.0 9999.00 9354.0 9999.00 9364.0 9999.00 9374.0 9999.00 9384.0 9999.00 9394.0 9999.00 9404.0 9999.00 9414.0 9999.00 9424.0 9999.00 9434.0 9999.00 9444.0 9999.00 9454.0 9999.00 9464.0 9999.00 9474.0 9999.00 9484.0 9999.00 9494.0 9999.00 9504.0 9999.00 9514.0 9999.00 9524.0 9999.00 9534.0 9999.00 9544.0 9999.00 9554.0 9999.00 9564.0 9999.00 9574.0 9999.00 9584.0 9999.00 9594.0 9999.00 9604.0 9999.00 9614.0 9999.00 9624.0 0.78 9634.0 0.95 9644.0 1.12 9654.0 1.07 9664.0 0.92 9674.0 0.97 9684.0 1.14 9694.0 1.14 9704.0 1.17 9714.0 1.16 9724.0 1.02 9734.0 0.91 9744.0 1.07 9754.0 1.39 9764.0 1.37 9774.0 1.29 9784.0 1.40 9794.0 1.44 9804.0 1.52 9814.0 1.58 9824.0 1.65 9834.0 1.45 9844.0 1.16 9854.0 1.10 9864.0 0.98 9874.0 0.83 9884.0 0.82 9894.0 0.84 9904.0 1.02 9914.0 1.08 9924.0 1.07 9934.0 1.00 9944.0 0.91 9954.0 0.83 9964.0 0.92 9974.0 0.99 9984.0 1.04 9994.0 1.41 10004.0 1.43 10014.0 1.38 10024.0 1.43 10034.0 1.44 10044.0 1.37 10054.0 1.34 10064.0 1.45 10074.0 1.54 10084.0 1.60 10094.0 1.73 10104.0 2.01 10114.0 9999.00 10124.0 9999.00 10134.0 9999.00 10144.0 9999.00 10154.0 9999.00 10164.0 9999.00 10174.0 9999.00 10184.0 9999.00 10194.0 9999.00 10204.0 9999.00 10214.0 2.20 10224.0 2.14 10234.0 2.11 10244.0 2.22 10254.0 2.32 10264.0 2.46 10274.0 2.55 10284.0 2.60 10294.0 2.61 10304.0 2.62 10314.0 2.59 10324.0 2.57 10334.0 2.62 10344.0 2.53 10354.0 2.53 10364.0 2.51 10374.0 2.49 10384.0 2.53 10394.0 2.51 10404.0 2.51 10414.0 2.52 10424.0 2.53 10434.0 2.53 10444.0 2.54 10454.0 2.57 10464.0 2.58 10474.0 2.51 10484.0 2.54 10494.0 2.52 10504.0 2.47 10514.0 2.44 10524.0 2.44 10534.0 2.50 10544.0 2.49 10554.0 2.50 10564.0 2.50 10574.0 2.53 10584.0 2.53 10594.0 2.52 10604.0 2.55 10614.0 2.53 10624.0 2.60 10634.0 2.58 10644.0 2.58 10654.0 2.61 10664.0 2.60 10674.0 2.62 10684.0 9999.00 10694.0 9999.00 10704.0 9999.00 10714.0 9999.00 10724.0 9999.00 10734.0 9999.00 10744.0 9999.00 10754.0 9999.00 10764.0 9999.00 10774.0 9999.00 10784.0 9999.00 10794.0 9999.00 10804.0 9999.00 10814.0 9999.00 10824.0 9999.00 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11534.0 9999.00 11544.0 9999.00 11554.0 9999.00 11564.0 9999.00 11574.0 9999.00 11584.0 9999.00 11594.0 9999.00 11604.0 3.69 11614.0 3.77 11624.0 3.69 11634.0 3.72 11644.0 3.73 11654.0 3.69 11664.0 3.72 11674.0 3.69 11684.0 3.63 11694.0 3.67 11704.0 3.64 11714.0 3.68 11724.0 3.75 11734.0 3.82 11744.0 3.81 11754.0 3.75 11764.0 3.77 11774.0 3.68 11784.0 3.71 11794.0 3.65 11804.0 3.67 11814.0 3.70 11824.0 3.64 11834.0 3.72 11844.0 3.74 11854.0 3.72 11864.0 3.83 11874.0 3.75 11884.0 9999.00 11894.0 9999.00 11904.0 9999.00 11914.0 9999.00 11924.0 9999.00 11934.0 9999.00 11944.0 9999.00 11954.0 9999.00 11964.0 9999.00 11974.0 9999.00 11984.0 9999.00 11994.0 9999.00 12004.0 9999.00 12014.0 9999.00 12024.0 9999.00 12034.0 9999.00 12044.0 9999.00 12054.0 9999.00 12064.0 9999.00 12074.0 9999.00 12084.0 2.36 12094.0 2.30 12104.0 2.20 12114.0 1.96 12124.0 1.82 12134.0 1.76 12144.0 1.82 12154.0 1.49 12164.0 1.34 12174.0 1.28 12184.0 0.71 12194.0 0.99 12204.0 9999.00 12214.0 9999.00 12224.0 9999.00 12234.0 9999.00 12244.0 9999.00 12254.0 9999.00 12264.0 9999.00 12274.0 9999.00 12284.0 9999.00 12294.0 0.86 12304.0 0.93 12314.0 1.02 12324.0 0.92 12334.0 0.73 12344.0 0.74 12354.0 0.68 12364.0 9999.00 12374.0 9999.00 12384.0 9999.00 12394.0 9999.00 12404.0 9999.00 12414.0 9999.00 12424.0 9999.00 12434.0 9999.00 12444.0 9999.00 12454.0 9999.00 12464.0 9999.00 12474.0 9999.00 12484.0 9999.00 12494.0 9999.00 12504.0 9999.00 12514.0 9999.00 12524.0 9999.00 12534.0 9999.00 12544.0 9999.00 12554.0 9999.00 12564.0 9999.00 12574.0 9999.00 12584.0 9999.00 12594.0 9999.00 12604.0 9999.00 12614.0 9999.00 12624.0 9999.00 12634.0 9999.00 12644.0 9999.00 12654.0 9999.00 12664.0 9999.00 12674.0 9999.00 12684.0 9999.00 12694.0 9999.00 12704.0 9999.00 12714.0 9999.00 12724.0 9999.00 12734.0 9999.00 12744.0 9999.00 12754.0 9999.00 12764.0 9999.00 12774.0 9999.00 12784.0 9999.00 12794.0 9999.00 12804.0 9999.00 12814.0 9999.00 12824.0 9999.00 12834.0 9999.00 12844.0 9999.00 12854.0 9999.00 12864.0 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