A history of chemically and radiatively important gases in air deduced from ALE/GAGE/AGAGE

Journal of Geophysical Research Atmospheres

Volumn 105, Issue D14, 2000, Pages 17751-17792

  Prinn, R G ^a   Weiss, R F ^b   Fraser, P J ^c,g   Simmonds, P G ^d   Cunnold, D M ^e   Alyea, F N ^e   O'Doherty, S ^d   Salameh, P ^b   Miller, B R ^b   Huang, J ^a   Wang, R H J ^e   Hartley, D E ^e   Harth, C ^b   Steele, L P ^c,g   Sturrock, G ^c,g   Midgley, P M ^f   McCulloch, A ^d  

^a MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

^c Department of Civil and Environmental Engineering   (Australia)

^d UNIVERSITY OF BRISTOL   (United Kingdom)

^e GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

^f M and D Consulting   (Germany)

^g CSIRO   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC GAS; CLIMATE FORCING; OZONE DEPLETION;

EID: 0033792292     PISSN: 01480227     EISSN: None     Source Type: Journal    
DOI: 10.1029/2000JD900141     Document Type: Article

References (128)

1. Alternative Fluorocarbons Environmental Acceptability Study (AREAS), Production, sales and atmospheric release of fluorocarbons through 1995, Sci. and Policy Serv. Inc., Washington, D. C., 1997.
2. Alternative Fluorocarbons Environmental Acceptability Study (AFEAS), Production, sales and atmospheric release of fluorocarbons through 1996, Sci. and Policy Serv. Inc., Washington, D. C., 1998.
3. 3 anticorrelation based on in situ ER-2 data, J. Geophys. Res., 94, 11,465-11,479, 1989.
4. Aoki, S., T. Nakazawa, S. Murayama, and S. Kawaguchi, Measurements of atmospheric methane at the Japanese Antarctic station, Syowa, Tellus, Ser. B, 44, 273-281, 1992.
5. Blake, D., and F. S. Rowland, Continuing worldwide increase in tropospheric methane, 1978 to 1987, Science, 239, 1129-1131, 1988.
6. 2 in seawater and air, Deep Sea Res., 35, 839-853, 1988.
7. 3: Implications for tropospheric OH, J. Geophys. Res., 96, 22,347-22,355, 1991.
8. Butler, J. H., M. Battle, M. L. Bender, S. A. Montzka, A. D. Clarke, E. S. Saltzman, C. M. Sucher, J. P. Severinghaus, and J. H. Elkins, A record of atmospheric halocarbons during the twentieth century from polar firn air, Nature, 399, 749-755, 1999.
9. Cox, R., R. Derwent, A. Eggleton, and J. Lovelock, Photochemical oxidation of halocarbons in the troposphere, Atmos. Environ., 10, 305-310, 1976.
10. Crutzen, P., The influence of nitrogen oxides on the atmospheric ozone content, Q. J. R. Meteorol. Soc., 96, 320-325, 1970.
11. 3" by C. M. Spivakovsky et al., J. Geophys. Res., 96, 17,391-17,393, 1991.
12. 3F data, J. Geophys. Res., 88, 8379-8400, 1983a.
13. 2 based on 3 years of data, J. Geophys. Res., 88, 8401-8414, 1983b.
14. 2 for 5 years of ALE data, J. Geophys. Res., 91, 10,797-10,817, 1986.
15. 2 estimated from ALE/ GAGE and other measurements from July 1978 to June 1991, J. Geophys. Res., 99, 1107-1126, 1994.
16. 2 in 1992-1994, J. Geophys. Res., 102, 1259-1269, 1997.
17. Daniel, J. S., S. Solomon, and D. L. Albritton, On the evaluation of halocarbon radiative forcing and global warming potentials, J. Geophys. Res., 100, 1271-1285, 1995.
18. Derwent, R. G., and K. Nodop, Long range transport and deposition of acidic nitrogen in northwest Europe, Nature, 324, 356-358, 1986.
19. Derwent, R. G., P. G. Simmonds, S. Seuring, and C. Dimmer, Observation and interpretation of the seasonal cycles in the surface concentrations of ozone and carbon monoxide at Mace Head, Ireland from 1990 to 1994, Atmos. Environ., 32, 145-157, 1998a.
20. Derwent, R. G., P. G. Simmonds, S. O'Doherty, and D. B. Ryall, The impact of the Montreal Protocol on halocarbon concentrations in Northern Hemisphere baseline and European air masses at Mace Head, Ireland from 1987-1996, Atmos. Environ., 32, 3689-3702, 1998b.
21. Dlugokencky, E. J., L. P. Steele, P. M. Lang, and K. A. Masarie, Growth rate and distribution of atmospheric methane, J. Geophys. Res., 99, 17,021-17,043, 1994.
22. Dlugokencky, E. J., K. A. Masarie, P. M. Lang, and P. P. Tans, Continuing decline in the growth rate of the atmospheric methane burden, Nature, 393, 447-450, 1998.
23. Elkins, J. W., et al., Airborne gas chromatograph for in situ measurements of long-lived species in the upper troposphere and lower stratosphere, Geophys. Res. Lett., 23, 347-350, 1996.
24. Fisher, D. A., and P. M. Midgley, The production and release to the atmosphere of CFCs 113, 114 and 115, Atmos. Environ., Part A, 27, 271-276, 1993.
25. Fisher, D. A., and P. M. Midgley, Uncertainties in the calculation of atmospheric releases of chlorofluorocarbons, J. Geophys. Res., 99, 16,643-16,650, 1994.
26. Fisher, D. A., T. Duafala, P. M. Midgley, and C. Niemi, Production and emission of CFCs, halons, and related molecules, NASA Ref. Publ., 1339, 2.1-2.35, 1994.
27. Foulger, B. E., and P. G. Simmonds, Drier for field use in the determination of trace atmospheric gases, Anal. Chem., 51, 1089-1090, 1979.
28. Francey, R. J., et al., Global Atmospheric Sampling Laboratory (GASLAB): Supporting and extending the Cape Grim trace gas programs, in Baseline Atmospheric Program Australia 1993, edited by R. J. Francey, A. L. Dick, and N. Derek, pp. 8-29, Bur. of Meteorol. and Commonw. Sci. and Ind. Res. Org. Div. of Atmos. Res., Melbourne, Victoria, Australia, 1996.
29. Fraser, P. J., Baseline atmospheric halocarbon measurements: An interlaboratory calibration comparison, WMO Spec. Environ. Rep. 14, pp. 57-63, World Meteorol. Org., Geneva, 1980.
30. Fraser, P. J., M. A. K. Khalil, R. A. Rasmussen, and L. P. Steele, Tropospheric methane in the mid-latitudes of the Southern Hemisphere, J. Atmos. Chem., 1, 125-135, 1984.
31. Fraser, P. J., N. Derek, R. O'Brien, R. Shepherd, R. Rasmussen, A. J. Crawford, and L. P. Steele, Intercomparison of halocarbon and nitrous oxide measurements, 1976-1984, in Baseline 83-84, edited by R. Francey and B. Forgan, pp. 17-26, Bur. of Meteorol., Commonw. Sci. and Ind. Res. Org., Melbourne, Victoria, Australia, 1986.
32. Fraser, P. J., M. Gunson, S. Penkett, F. S. Rowland, U. Schmidt, and R. F. Weiss, Measurements, NASA Ref. Publ., 1339, 1.1-1.68, 1994.
33. Fraser, P. J., D. M. Cunnold, F. N. Alyea, R. F. Weiss, R. G. Prinn, P. G. Simmonds, B. R. Miller, and R. L. Langenfelds, Lifetime and emission estimates of 1,1,2-trichlorotri-fluoroethane (CFC-113) from daily global background observations, June 1982 to June 1994, J. Geophys. Res., 101, 12,585-12,599, 1996.
34. Fraser, P. J., P. Steele, N. Derek, L. Porter, and G. Sturrock, Halocarbons, nitrous oxide, methane, carbon monoxide and hydrogen - The AGAGE program, 1993-1996, in Baseline 1996, edited by J. Gras et al., pp. 111-120, Bur. of Meteorol., Commonw. Sci. and Ind. Res. Org., Melbourne, Victoria, Australia, 1997.
35. Fraser, P. J., D. Oram, C. Reeves, S. Penkett, and A. McCulloch, Southern Hemispheric halon trends (1978-1998) and global halon emissions, J. Geophys. Res., 104, 15,985-15,999, 1999.
36. Galbally, I. E., C. P. Meyer, and Y. Ye, Contaminants in the laboratory air at Cape Grim, in Baseline 1994-1995, edited by R. Francey et al., pp. 89-91, Bur. of Meteorol., Commonw. Sci. and Ind. Res. Org., Melbourne, Victoria, Australia, 1996.
37. 2 (chlorofluorocarbons CFC-11 and CFC-12), Atmos. Environ., 20, 1077-1085, 1986.
38. Gammon, R. H., J. Cline, and D. Wisegarver, Chlorofluoromethanes in the northeast Pacific Ocean: Measured vertical distributions and application as transient tracers of upper ocean mixing, J. Geophys. Res., 87, 9441-9454, 1982.
39. Gelb, A., Applied Optimal Estimation, 1st ed., 370 pp., MIT Press, Cambridge, Mass., 1974.
40. Gelb, A., Applied Optimal Estimation, 13th ed., MIT Press, Cambridge, Mass., 1994.
41. 2O, J. Geophys. Res., 91, 3985-4001, 1986.
42. Haas-Laursen, D. E., D. E. Hartley, and R. G. Prinn, Optimizing an inverse method to deduce time-varying emissions of trace gases, J. Geophys. Res., 101, 22,823-22,831, 1996.
43. Hartley, D. E., and R. X. Black, Mechanistic analysis of interhemispheric transport, Geophys. Res. Lett., 22, 2945-2948, 1995.
44. Hartley, D. E., and R. G. Prinn, A critical comparison between tropical ALE/GAGE methyl chloroform measurements and the three-dimensional model of Spivakovsky and coworkers, J. Geophys. Res., 96, 17,383-17,387, 1991.
45. Hartley, D. E., and R. G. Prinn, On the feasibility of determining surface emissions of trace gases using an inverse method in a three-dimensional chemical transport model, J. Geophys. Res., 98, 5183-5198, 1993.
46. 3F simulations with ALE/GAGE observations, J. Geophys. Res., 99, 12,885-12,896, 1994.
47. Hartley, D. E., T. Kindler, D. M. Cunnold, and R. G. Prinn, Evaluating chemical transport models: Comparison of effects of different CFC-11 emissions scenarios, J. Geophys. Res., 101, 14,381-14,385, 1996.
48. Huang, J., Optimal determination of global tropospheric OH concentrations using multiple trace gases, Ph.D. thesis, 163 pp., Mass. Inst. of Technol., Cambridge, 1999.
49. Intergovernmental Panel on Climate Change (IPCC), Climate Change 1995: The Science of Climate Change, edited by J. T. Houghton et al., 572 pp., Cambridge Univ. Press, New York, 1996.
50. 3), Tellus, Ser. B, 36, 317-332, 1984.
51. Khalil, M. A. K., and R. Rasmussen, Atmospheric methyl chloride, Atmos. Environ., 33, 1305-1321, 1999.
52. Ko, M. K. W., and H. A. Jackman, Model calculations of atmospheric lifetime, NASA Ref. Publ., 1339, 5.1-5.33, 1994.
53. Kurylo, M. J., et al., Short-lived ozone-related compounds, in Scientific Assessment of Ozone Depletion: 1998, Rep. 44, chap. 2, pp. 2.1-2.56, Global Ozone Res. and Monit. Proj., World Meteorol. Org., Geneva, 1999.
54. Langenfelds, R., P. Fraser, R. Francey, P. Steele, L. Porter, and C. Allison, The Cape Grim Air Archive: The first seventeen years, 1978-1995, in Baseline 94-95, edited by R. Francey, A. Dick, and N. Derek, pp. 53-70, Bur. of Meteorol., Commonw. Sci. and Ind. Res. Org., Melbourne, Victoria, Australia, 1996.
55. Lelieveld, J., et al., Tropospheric ozone and related species, in Scientific Assessment of Ozone Depletion: 1998, Rep. 44, chap. 8, pp. 8.1-8.42, Global Ozone Res. and Monit. Proj., World Meteorol. Org., Geneva, 1999.
56. Logan, J., M. Prather, S. Wofsy, and M. McElroy, Tropospheric chemistry: A global perspective, J. Geophys. Res., 86, 7210-7254, 1981.
57. Lovelock, J. E., The electron capture detector: Theory and practice, J. Chromatogr., 99, 3-12, 1974.
58. Madronich, S., G. J. M. Velders, J. S. Daniel, M. Lal, A. McCulloch, and H. Slaper, Halocarbon scenarios for the future ozone layer and related consequences, in Scientific Assessment of Ozone Depletion: 1998, Rep. 44, chap. 11, pp. 11.1-11.38, Global Ozone Res. and Monit. Proj., World Meteorol. Org., Geneva, 1999.
59. Mahowald, N. M., P. Rasch, and R. G. Prinn, Cumulus parameterizations in chemical transport models, J. Geophys. Res., 100, 26,173-26,189, 1995.
60. 3F emissions using an inverse method and chemical transport models with assimilated winds, J. Geophys. Res., 102, 28,153-28,168, 1997.
61. 2 (fluorocarbons 11 and 12) through 1975, Atmos. Environ., 11, 491-497, 1977.
62. McConnell, J., and H. Schiff, Methyl chloroform: Impact on stratospheric ozone, Science, 199, 174-177, 1978.
63. McCulloch, A., Global production and emissions of bromochlorodifluoromethane and bromotrifluoromethane (halons 1211 and 1301), Atmos. Environ., Part A, 26, 1325-1329, 1992.
64. McCulloch, A., P. Midgley, and D. Fisher, Distribution of emissions of chlorofluorocarbons (CFCs) 11, 12, 113, 114, and 115 among reporting and non-reporting countries in 1986, Atmos. Environ., 28, 2567-2582, 1994.
65. Midgley, P. M., and D. A. Fisher, The production and release to the atmosphere of chlorodifluoromethane (HCFC 22), Atmos. Environ., Part A, 27, 2215-2223, 1993.
66. Midgley, P., and A. McCulloch, The production and global distribution of emissions to the atmosphere of 1,1,1-trichloroethane, Atmos. Environ., 29, 1601-1608, 1995.
67. Midgley, P. M., A. McCulloch, and P. G. Simmonds, The phase-out of methyl chloroform and the decline in tropospheric chlorine, in Proceedings of EUROTRAC-2 Symposium '98: Transport and Chemical Transformation in the Troposphere, vol. 1, edited by P. M. Borrell and P. Borrell, pp. 805-809, WIT Press, Southampton, England, 1999.
68. Miller, B. R., J. Huang, R. F. Weiss, R. G. Prinn, and P. J. Fraser, Atmospheric trend and lifetime of chlorodifluoromethane (HCFC-22) and the global tropospheric OH concentration, J. Geophys. Res., 103, 13,237-13,248, 1998.
69. Molina, M. J., and F. S. Rowland, Stratospheric sink for chlorofluoromethanes: Chlorine atom catalyzed destruction of ozone, Nature, 249, 810-812, 1974a.
70. Molina, M. J., and F. S. Rowland, Predicted present stratospheric abundances of chlorine species from photodissociation of carbon tetrachloride, Geophys. Res. Lett., 1, 309-312, 1974b.
71. Molina, M. J., T. Tso, L. T. Molina, and F. Wang, Antarctic stratospheric chemistry of chlorine nitrate, hydrogen chloride and ice: Release of active chlorine, Science, 238, 1253-1257, 1987.
72. Montzka, S. A., R. C. Myers, J. H. Butler, and J. W. Elkins, Global tropospheric distribution and calibration scale of HCFC-22, Geophys. Res. Lett., 20, 703-706, 1993.
73. Montzka, S. A., J. H. Butler, R. C. Myers, T. Thompson, T. H. Swanson, A. D. Clarke, L. T. Lock, and J. W. Elkins, Decline in the tropospheric abundance of halogen from halocarbons: Implications for stratospheric ozone depletion, Science, 272, 1318-1322, 1996a.
74. Montzka, S. A., R. C. Myers, J. H. Butler, J. W. Elkins, L. T. Lock, A. D. Clarke, and A. H. Goldstein, Observations of HFC-134a in the remote troposphere, Geophys. Res. Lett., 23, 169-173, 1996b.
75. Muller, R., et al., Upper stratospheric processes, in Scientific Assessment of Ozone Depletion: 1998, Rep. 44, chap. 6, pp. 6.1-6.44, Global Ozone Res. and Monit. Proj., World Meteorol. Org., Geneva, 1999.
76. 3F fluxes, J. Geophys. Res., 103, 1429-1442, 1998.
77. Novelli, P. C., J. W. Elkins, and L. P. Steele, Development and evaluation of a gravimetric reference scale for measurements of atmospheric carbon monoxide, J. Geophys. Res., 96, 13,109-13,121, 1991.
78. Novelli, P. C., et al., An internally consistent set of globally distributed atmospheric carbon monoxide mixing ratios developed using results from an intercomparison of measurements, J. Geophys. Res., 103, 19,285-19,293, 1998.
79. Oram, D. E., C. E. Reeves, S. A. Penkett, and P. J. Fraser, Measurements of HCFC-142b and HCFC-141b in the Cape Grim Air Archive: 1978-1993, Geophys. Res. Lett., 22, 2741-2744, 1995.
80. 2F), Geophys. Res. Lett., 23, 1949-1952, 1996.
81. Owens, A., J. Steed, D. Filkin, C. Miller, and J. Jesson, Potential effects of increased atmospheric methane on ozone, Geophys. Res. Lett., 9, 1105-1108, 1982.
82. Prather, M., Continental sources of halocarbons and nitrous oxide, Nature, 317, 221-225, 1985.
83. Prather, M., European sources of halocarbons and nitrous oxide: Update 1986, J. Atmos. Chem., 6, 375-406, 1988.
84. Prather, M., M. McElroy, S. Wofsy, G. Russell, and D. Rind, Chemistry of the global troposphere: Fluorocarbons as tracers of air motion, J. Geophys. Res., 92, 6579-6613, 1987.
85. Prinn, R. G., Measurement equation for trace chemicals in fluids and solution of its inverse, in Inverse Methods in Global Biogeochemical Cycles, Geophys. Monogr. Ser., vol. 114, edited by P. Kashibhatla et al., pp. 3-18, AGU, Washington, D. C., 2000.
86. Prinn, R. G., and D. E. Hartley, Inverse problems in atmospheric chemistry, in Progress and Problems in Atmospheric Chemistry, Adv. Ser. Phys. Chem., vol. 3, edited by J. Barker, pp. 172-197, World Sci., River Edge, N. J., 1995.
87. Prinn, R. G., P. G. Simmonds, R. Rasmussen, R. D. Rosen, F. N. Alyea, C. Cardelino, A. J. Crawford, D. M. Cunnold, P. J. Fraser, and J. Lovelock, Atmospheric Lifetime Experiment, 1, Introduction, instrumentation, and overview, J. Geophys. Res., 88, 8353-8368, 1983a.
88. 3 based on 3 years of data, J. Geophys. Res., 88, 8415-8426, 1983b.
89. Prinn, R. G., D. M. Cunnold, R. Rasmussen, P. G. Simmonds, F. N. Alyea, A. Crawford, P. J. Fraser, and R. D. Rosen, Atmospheric emissions and trends of nitrous oxide deduced from 10 years of ALE/GAGE data, J. Geophys. Res., 95, 18,369-18,385, 1990.
90. Prinn, R., et al., Global average concentration and trend for hydroxyl radicals deduced from ALE/GAGE trichloroethane (methyl chloroform) data for 1978-1990, J. Geophys. Res., 97, 2445-2461, 1992.
91. 3 and global OH concentrations, Science, 269, 187-192, 1995.
92. Prinn, R. G., et al., Long-lived ozone-related compounds, in Scientific Assessment of Ozone Depletion: 1998, Rep. 44, chap. 1, pp. 1.1-1.54, Global Ozone Res. and Monit. Proj., World Meteorol. Org., Geneva, 1999a.
93. Prinn, R. G., et al., Integrated Global System Model for climate policy assessment: Feedbacks and sensitivity studies, Clim. Change, 41, 469-546, 1999b.
94. Ramanathan, V., Greenhouse effect due to chlorofluorocarbons: Climatic implications, Science, 190, 50-52, 1975.
95. Ramanathan, V., R. Cicerone, H. Singh, and J. Kiehl, Trace gas trends and their potential role in climate change, J. Geophys. Res., 90, 5547-5566, 1985.
96. Rasmussen, R., Inter-laboratory comparison of fluorocarbon measurements, Atmos. Environ., 12, 2505-2508, 1978.
97. Rasmussen, R., and J. Lovelock, Atmospheric Lifetime Experiment, 2, Calibration, J. Geophys. Res., 88, 8369-8378, 1983.
98. Ravishankara, A. R., et al., Lower stratospheric processes, in Scientific Assessment of Ozone Depletion: 1998, Rep. 44, chap. 7, pp. 7.1-7.76, Global Ozone Res. and Monit. Proj., World Meteorol. Org., Geneva, 1999.
99. 2 vertical column abundances above the Jungfraujoch Station, 1986-1994: Long-term trend and winter-spring enhancements, J. Geophys. Res., 101, 3891-3899, 1996.
100. Ryall, D. B., R. H. Maryon, R. G. Derwent, and P. G. Simmonds, Modelling long-range transport of CFCs to Mace Head, Ireland, Q. J. R. Meteorol. Soc., 124, 417-446, 1998.
101. Schimel, D. D., et al., Radiative forcing of climate change, in Climate Change 1995, chap. 2, pp. 65-132, Cambridge Univ. Press, New York, 1996.
102. Severinghaus, J. P., R. F. Keeling, B. R. Miller, R. F. Weiss, and B. Deck, Feasibility of using sand dunes as archives of old air, J. Geophys. Res., 102, 16,783-16,792, 1997.
103. Simmonds, P. G., and R. G. Derwent, Measurements of ozone and other radiatively active gases at Mace Head in the Republic of Ireland, Atmos. Environ., Part A, 25, 1795-1808, 1991.
104. Simmonds, P. G., F. N. Alyea, C. A. Cardelino, A. J. Crawford, D. M. Cunnold, B. C. Lane, J. E. Lovelock, R. G. Prinn, and R. A. Rasmussen, Atmospheric Lifetime Experiment, 6, Results for carbon tetrachloride based on 3 years of data, J. Geophys. Res., 88, 8427-8441, 1983.
105. Simmonds, P., D. Cunnold, F. Alyea, C. Cardelino, A. Crawford, P. Fraser, R. Prinn, R. Rasmussen, and R. Rosen, Carbon tetrachloride lifetime and emissions determined from daily global measurements during 1978-1985, J. Atmos. Chem., 7, 35-58, 1988.
106. Simmonds, P. G., D. M. Cunnold, G. J. Dollard, T. J. Davies, A. McCulloch, and R. G. Derwent, Evidence of the phase-out of CFC use in Europe over the period 1987-1990, Atmos. Environ., Part A, 27, 1397-1407, 1993.
107. Simmonds, P. G., R. G. Derwent, A. McCulloch, S. O'Doherty, and A. Gaudry, Long-term trends in concentrations of halocarbons and radiatively active trace gases in Atlantic and European air masses monitored at Mace Head, Ireland from 1987-1994, Atmos. Environ., 30, 4041-4063, 1996.
108. 4 from in situ background observations from July 1978 to June 1996, J. Geophys. Res., 103, 16,017-16,027, 1998a.
109. Simmonds, P. G., S. O'Doherty, J. Huang, R. G. Prinn, R. G. Derwent, D. Ryall, G. Nickless, and D. M. Cunnold, Calculated trends and the atmospheric abundance of 1,1,1,2-tetrafluorethane, 1,1-dichloro-1-fiuoroethane, and 1-chloro-1,1-difluoroethane using automated in situ gas chromatography-mass spectrometry measurements recorded at Mace Head, Ireland, from October 1994 to March 1997, J. Geophys. Res., 103, 16,029-16,038, 1998b.
110. Simmonds, P. G., R. G. Derwent, S. O'Doherty, D. B. Ryall, L. P. Steele, R. L. Langenfelds, P. Salameh, H. J. Wang, C. M. Dimmer, and L. F. Hudson, Continuous high-frequency observations of hydrogen at the Mace Head baseline atmospheric monitoring station over the 1994-1998 period, J. Geophys. Res., 105, 12,105-12,121, 2000.
111. Solomon, S., et al., Ozone depletion potentials, global warming potentials, and future chlorine/bromine loading, in Scientific Assessment of Ozone Depletion: 1994, Rep. 37, pp. 13.1-13.36, Global Ozone Res. and Monit. Proj., World Meteorol. Org., Geneva, 1995.
112. 3, J. Geophys. Res., 95, 18,441-18,471, 1990.
113. Steele, L. P., P. J. Fraser, R. Rasmussen, M. Khalil, T. Conway, A. J. Crawford, R. Gammon, K. Masarie, and K. Thoning, The global distribution of methane in the troposphere, J. Atmos. Chem., 5, 125-171, 1987.
114. Steele, L. P., R. L. Langenfelds, M. P. Lucarelli, P. J. Fraser, L. N. Cooper, D. A. Spencer, S. Chea, and K. Broadhurst, Atmospheric methane, carbon dioxide, carbon monoxide, hydrogen, and nitrous oxide from Cape Grim air samples analyzed by gas chromatography, in Baseline Atmospheric Program Australia 1994-95, edited by R. J. Francey, A. L. Dick, and N. Derek, pp. 107-110, Bur. of Meteorol. and Commonw. Sci. and Ind. Res. Org., Div. of Atmos. Res., Melbourne, Victoria, Australia, 1996.
115. Stolarski, R., and R. Cicerone, Stratospheric chlorine: A possible sink for ozone, Can. J. Chem., 52, 1610-1615, 1974.
116. United Nations Environment Programme (UNEP), Handbook for the International Treaties for the Protection of the Ozone Layer, 4th ed., Nairobi, Kenya, 1996.
117. United Nations Environment Programme (UNEP), Production and consumption of ozone depleting substances 1986-1995, Ozone Secr. to the Vienna Conv. and Montreal Protoc., Nairobi, Kenya, 1997.
118. Wang, C., R. G. Prinn, and A. Sokolov, A global interactive chemistry and climate model: Formulation and testing, J. Geophys. Res., 103, 3399-3417, 1998.
119. Wang, W., Y. Yung, A. Lacis, T. Mo, and J. Hansen, Greenhouse effects due to man-made perturbations of trace gases, Science, 194, 685-688, 1976.
120. Weiss, R. F., The temporal and spatial distribution of tropospheric nitrous oxide, J. Geophys. Res., 86, 7185-7196, 1981a.
121. Weiss, R. F., Determinations of carbon dioxide and methane by duel catalyst flame ionization gas chromatography and nitrous oxide by electron capture chromatography, J. Chromatogr. Sci., 19, 611-616, 1981b.
122. Weiss, R. F., C. D. Keeling, and H. Craig, Determination of tropospheric nitrous oxide, J. Geophys. Res., 86, 7197-7202, 1981.
123. Weiss, R. F., J. L. Bullister, R. H. Gammon, and M. J. Warner, Atmospheric chlorofluoromethanes in the deep equatorial Atlantic, Nature, 314, 608-610, 1985.
124. Wilson, S. R., A. L. Dick, P. J. Fraser, and S. Whittlestone, Nitrous oxide flux estimates for south-eastern Australia, J. Atmos. Chem., 26, 169-188, 1997.
125. World Meteorological Organization (WMO), Scientific assessment of ozone depletion: 1998, edited by D. Albritton et al., Rep. 44, 650 pp., Global Ozone Res. and Monit. Proj., Geneva, 1999.
126. 4 in the atmosphere, Bull. Chem. Soc. Jpn., 58, 1308-1314, 1985.
127. Zander, R., E. Mahieu, F. Mélen, P. Demoulin, G. Roland, L. Delbouille, and C. Servais, Stratospheric changes monitored above the Jungfraujoch: The budgets of inorganic chlorine and fluorine since 1985, in Proceedings of the 3rd European Workshop on Polar Stratospheric Ozone, edited by J. A. Pyle, N. R. P. Harris, and G. T. Amanatidis, Air Pollut. Rep. 56, pp. 239-243, Eur. Comm., Brussels, 1996a.
128. Zander, R., et al., The 1994 northern midlatitude budget of stratospheric chlorine derived from ATMOS/ATLAS 3 observations, Geophys. Res. Lett., 23, 2357-2360, 1996b.