Publications of M. A. K. Khalil

1976

1. ``Barnacled Relativistic Wave Equations,'' M.A.K. Khalil. Bulletin of the American Physical Society 20, 548, 1976.

2. "Reducible Beta Matrices," M.A.K. Khalil. Bulletin of the American Physical Society 20, 549, 1976.

3. "Relativistic Wave Equations," M.A.K. Khalil, Ph.D. Dissertation. University of Texas, Austin, 1976.

1977

4. "Properties of a Twenty Component Spin-1/2 Relativistic Wave Equation," M.A.K. Khalil. Physical Review D15, 1532, 1977.

5. "Criterion for the Reducibility of a Relativistic Wave Equation," E.C.G. Sudarshan, M.A.K. Khalil, and W.J. Hurley. Journal of Mathematical Physics 18, 855, 1977.

6. "Relativistic Wave Equations Without the Velo-Zwanziger Pathology," M.A.K. Khalil. Progress of Theoretical Physics 58, 1835, 1977.

1978

7. "An Equivalence of Relativistic Field Equations," M.A.K. Khalil. Il Nuovo Cimento 45A, 389-404, 1978.

8. "Fisk-Tait Equation for Spin 3/2 Particles," M.A.K. Khalil and M. Seetharaman. Physical Review D18, 3040- 3044, 1978.

9. "Barnacle Equivalence Structure in Relativistic Wave Equations," M.A.K. Khalil. Progress of Theoretical Physics 60, 1559, 1978.

1979

10. "Reducible Relativistic Wave Equations," M.A.K. Khalil. Journal of Physics 12A, 649-664, 1979.

11. "Topics in the Behaviour of Atmospheric Trace Gases," M.A.K. Khalil. Ph.D. Dissertation, Oregon Graduate Center, 1979.

1980

12. "Momentum," A. Bohm and M.A.K. Khalil. Encyclopedia of Physics, G.L. Trigg and R.G. Lerner, Editors (Addison-Wesley Publishing Co., Advanced Book Program, N.Y.), 633, 1980.

13. "Atmospheric Halocarbons: Measurements and Analyses of Selected Trace Gases," R.A. Rasmussen and M.A.K. Khalil. Proceedings of the NATO Advanced Study Institute on Atmospheric Ozone: Its Variation and Human Influences, A.C. Aikin, Ed. (Dept. of Transportation, Washington, D.C., 1980), 209-231.

14. "Concentration Distribution of Methyl Chloride in the Atmosphere." R.A. Rasmussen, L.E. Rasmussen, M.A.K. Khalil, and R.W. Dalluge. Journal of Geophysical Research 85, 7350-7356, 1980.

15. "CHClF2 (F-22) in the Atmosphere," R.A. Rasmussen, M.A.K. Khalil, S.A. Penkett, and N.J.D. Prosser. Geophysical Research Letters 7, 809-812, 1980.

16. "Measurement of CHFCl2 in Background Tropospheric Air," S.A. Penkett, N.J.D. Prosser, R.A. Rasmussen, and M.A.K. Khalil. Nature 286, 793-795, 1980.

17. "Halocarbons and Other Trace Gases in the Antarctic Atmosphere" R.A. Rasmussen, M.A.K. Khalil, and R.W. Dalluge. Antarctic Journal of the United States 15(5), 177-179, 1980.

1981

18. "Interlaboratory Comparison of Fluorocarbons 11, 12, Methylchloroform, and Nitrous Oxide Measurements," R.A. Rasmussen and M.A.K. Khalil. Atmospheric Environment 15, 1559-1568, 1981.

19. "Atmospheric Trace Gases: Possibility of Sources in the Southern Hemisphere," M.A.K. Khalil and R.A. Rasmussen. Atmospheric Environent 15, 1331-1334, 1981.

20. "Atmospheric Measurements of CF4 and Other Fluorocarbons Containing the CF3 Group," S.A. Penkett, N.J.D. Prosser, R.A. Rasmussen, and M.A.K. Khalil. Journal of Geophysical Research 86, 5172-5178, 1981.

21. "Atmospheric Trace Gases in Antarctica," R.A. Rasmussen, M.A.K. Khalil, and R.W. Dalluge. Science 211, 285-287, 1981.

22. "Atmospheric Methane (CH4): Trends and Seasonal Cycles," R.A. Rasmussen and M.A.K. Khalil. Journal of Geophysical Research 86, 9826-9832, 1981.

23. "Increase in the Concentration of Atmospheric Methane," R.A. Rasmussen and M.A.K. Khalil. Atmospheric Environment 15, 883-886, 1981.

24. "Atmospheric Methyl Chloride (CH3Cl)," M.A.K. Khalil and R.A. Rasmussen. Chemosphere 10, 1019-1023, 1981.

25. "Decline in the Atmospheric Accumulation Rates of CCl3F (F-11), CCl2F2 (F-12), and CH3CCl3," M.A.K. Khalil and R.A. Rasmussen. Journal of the Air Pollution Control Association 31, 1274-1275, 1981.

26. "Global Atmospheric Distribution and Trend of Methylchloroform (CH3CCl3)," R.A. Rasmussen and M.A.K. Khalil. Geophysical Research Letters 8, 1005-1007, 1981.

27. "Methylchloroform: Cycles of Global Emissions," M.A.K. Khalil and R.A. Rasmussen. Environmental Science and Technology 15, 1506-1508, 1981.

28. "Increase of CHClF2 in the Earth's Atmosphere.," M.A.K. Khalil and R.A. Rasmussen. Nature 292, 823-824, 1981.

29. "Trends of Atmospheric Methane in the Southern Hemisphere," P. Fraser, M.A.K. Khalil, R.A. Rasmussen, and A.J. Crawford. Geophysical Research Letters 8, 1063-1066, 1981.

30. "Differences in the Concentrations of Atmospheric Trace Gases In and Above the Tropical Boundary Layer," R.A. Rasmussen and M.A.K. Khalil. PAGEOPH 119, 990-997, 1981.

31. "Increases in Atmospheric Concentrations of Halocarbons and N2O," M.A.K. Khalil and R.A. Rasmussen. Geophysical Monitoring for Climatic Change 9, J.J. DeLuisi, Editor (U.S. Department of Commerce, NOAA, Boulder, Colorado, 1981) 134-139.

1982

32. "Atmospheric Trace Gases Over China," R.A. Rasmussen, M.A.K. Khalil, and J.S. Chang. Environmental Science and Technology 16, 124-126, 1982.

33. "Carbonyl Sulfide and Carbon Disulfide from the Eruptions of Mount St. Helens," R.A. Rasmussen, M.A.K. Khalil, R.W. Dalluge, S.A. Penkett, and B. Jones. Science 215, 665-667, 1982.

34. "Latitudinal Distributions of Trace Gases In and Above the Boundary Layer," R.A. Rasmussen and M.A.K. Khalil. Chemosphere 11, 227-235, 1982.

35. "Methane and Carbon Monoxide in Snow," R.A. Rasmussen, M.A.K. Khalil, and S.D. Hoyt. Journal of the Air Pollution Control Association 32, 176-178, 1982.

36. "Atmospheric Methyl Iodide (CH3I)," R.A. Rasmussen, M.A.K. Khalil, R. Gunawardena, and S.D. Hoyt. Journal of Geophysical Research 87, 3086-3090, 1982.

37. "The Oceanic Source of Carbonyl Sulfide (OCS)," R.A. Rasmussen, M.A.K. Khalil, and S.D. Hoyt. Atmospheric Environment 16, 1591-1594, 1982.

38. "Natural and Anthropogenic Trace Gases in the Southern Hemisphere," R.A. Rasmussen, M.A.K. Khalil, A.J. Crawford, and P.J. Fraser. Geophysical Research Letters 9, 704-707, 1982.

39. "Atmospheric Carbonyl Sulfide (OCS): Techniques for Measurement in Air and Water," R.A. Rasmussen, S.D. Hoyt, and M.A.K. Khalil. Chemosphere 11, 869-875, 1982.

41. "Secular Trends of Atmospheric Methane (CH4)," M.A.K. Khalil and R.A. Rasmussen. Chemosphere 11, 877- 883, 1982.

42. "Atmospheric Trace Gases at Point Barrow and Arctic Haze," R.A. Rasmussen, and M.A.K. Khalil. Geophysical Monitoring for Climatic Change 10, B.A. Bodhaine and J. Harris, Editors (U.S. Dept. of Commerce, NOAA, Boulder, Colorado, 1982) 114-120.

43. "Atmospheric Trace Gases: Linear Relation Between Concentration and Time," M.A.K. Khalil and R.A. Rasmussen. Science 218, 591-592, 1982.

1983

43a. "Increase and Seasonal Cycles in the Atmospheric Concentration of Nitrous Oxide (N2O)," M.A.K. Khalil and R.A. Rasmussen. Tellus 35B, 161-169, 1983.

44. "Gaseous Tracers of Arctic Haze," M.A.K. Khalil and R.A. Rasmussen. Environmental Science and Technology 17, 157-164, 1983.

45. "A Gaseous Tracer Model for Air Pollution from Residential Wood Burning," M.A.K. Khalil, S.A. Edgerton, and R.A. Rasmussen. Environmental Science and Technology 17, 555-559, 1983.

46. "Atmospheric Fluorocarbons and Methyl Chloroform at the South Pole," R.A. Rasmussen and M.A.K. Khalil. Antarctic Journal of the United States 17(5), 203-205, 1983.

47. "Natural and Anthropogenic Trace Gases in the Lower Troposphere of the Arctic," R.A. Rasmussen and M.A.K. Khalil. Chemosphere 12, 371-375, 1983.

48. "Altitudinal and Temporal Variation of Hydrocarbons and Other Gaseous Tracers of Arctic Haze," R.A. Rasmussen, M.A.K. Khalil, and R.J. Fox. Geophysical Research Letters 10, 144-147, 1983.

49. "Global Production of Methane by Termites," R.A. Rasmussen and M.A.K. Khalil. Nature 301, 704-705, 1983.

50. "Increase and Seasonal Cycles of Nitrous Oxide in the Earth's Atmosphere," M.A.K. Khalil and R.A. Rasmussen. Tellus 35B, 161-169, 1983.

51. "Sources, Sinks, and Seasonal Cycles of Atmospheric Methane," M.A.K. Khalil and R.A. Rasmussen. Journal of Geophysical Research 88, 5131-5144, 1983.

52. "Atmospheric Chloroform (CHCl3): Ocean-Air Exchange and Global Mass Balance," M.A.K. Khalil, R.A. Rasmussen, and S.D. Hoyt. Tellus 35B, 266-274, 1983.

53. "Trace Gases in Snow and Rain," R.A. Rasmussen, M.A.K. Khalil, and S.D. Hoyt. Proceedings, 4th International Conference on Precipitation Scavenging, Dry Deposition, and Resuspension, Pruppacher et al., Editors (Elsevier Science Publishing Co., N.Y., 1983) 1301-1314.

54. "Interlaboratory Comparison, Preparation, and Stability of Dichlorofluoromethane Samples and Standards," R.A. Rasmussen, M.A.K. Khalil, G. Crescentini, F. Mangani, A.R. Mastrogiacomo, and F. Bruner. Analytical Chemistry 55, 1834-1836, 1983.

55. "Termites and Methane," M.A.K. Khalil and R.A. Rasmussen. Nature 302, 354-355, 1983.

56. "Measurements, Sources, and Sinks of Atmospheric Benzene and Toluene," R.A. Rasmussen and M.A.K. Khalil. Geophysical Monitoring for Climatic Change 11, J. Harris and B.A. Bodhaine, Editors (U.S. Dept. of Commerce, NOAA, Boulder, Colorado, 1983) 107-111.

57. "Atmospheric Benzene and Toluene," R.A. Rasmussen and M.A.K. Khalil. Geophysical Research Letters 10, 1096-1099, 1983.

1984

58. "Rare Trace Gases at the South Pole: CHClF2, C2Cl3F3, CH3I, CHCl3, and SF6," R.A. Rasmussen and M.A.K. Khalil. Antarctic Journal of the United States 18(5), 250-252, 1984.

59. "Modeling Chemical Transport and Mass Balances in the Atmosphere," M.A.K. Khalil and R.A. Rasmussen. Chapter 2, Environmental Exposure from Chemicals Vol. II, W.B. Neely and G.E. Blau, Editors (CRC Press, Boca Raton, Florida, 1984), 21-54.

60. "Global Sources, Lifetimes, and Mass Balances of Carbonyl Sulfide (OCS) and Carbon Disulfide (CS2) in the Earth's Atmosphere," M.A.K. Khalil and R.A. Rasmussen. Atmospheric Environment 18, 1805-1813, 1984.

61. "Carbon Monoxide in the Earth's Atmosphere: Increasing Trend," M.A.K. Khalil and R.A. Rasmussen. Science 224, 54-56, 1984.

62. "Estimates of Air Pollution from Backyard Burning," S.A. Edgerton, M.A.K. Khalil, and R.A. Rasmussen. Journal of the Air Pollution Control Association 34, 661-664, 1984.

63. "Methylchloroform: Global Distribution, Seasonal Cycles, and Anthropogenic Chlorine," M.A.K. Khalil and R.A. Rasmussen. Chemosphere 13, 789-800, 1984.

64. "Atmospheric Methane in the Recent and Ancient Atmospheres: Concentrations, Trends, and Interhemispheric Gradient," R.A. Rasmussen and M.A.K. Khalil. Journal of Geophysical Research 89, 11,599-11,605, 1984.

65. "Gaseous Bromine in the Arctic and Arctic Haze," R.A. Rasmussen and M.A.K. Khalil. Geophys. Res. Lett. 11, 433-436, 1984.

66. "Statistical Analysis of Trace Gases in Arctic Haze," M.A.K. Khalil and R.A. Rasmussen. Geophysical Research Letters 11, 437-440, 1984.

67. "Sources of Atmospheric Carbonyl Sulfide and Carbon Disulfide," M.A.K. Khalil and R.A. Rasmussen. Transactions of the APCA Specialty Conference on Environmental Impact of Natural Emissions, V.P. Aneja, Editor (Air Pollution Control Association, Pittsburgh, 1984) 32-40.

68. "Latitudinal Distributions, Sources, and Sinks of Halocarbons: Observations from an Oceanic Cruise," M.A.K. Khalil and R.A. Rasmussen. Transactions of the APCA Specialty Conference on Environmental Impact of Natural Emissions, V.P. Aneja, Editor (Air Pollution Control Association, Pittsburgh, 1984) 219-232.

69. "The Global Increase of Carbon Monoxide," M.A.K. Khalil and R.A. Rasmussen. Transactions of the APCA Specialty Conference on Environmental Impact of Natural Emissions, V.P. Aneja, Editor (Air Pollution Control Association, Pittsburgh, 1984) 403-414.

70. "Trace Gases in the Arctic: Indices of Air Pollution," M.A.K. Khalil and R.A. Rasmussen. Geophysical Monitoring for Climatic Change 12, J. Harris, Editor (U.S. Department of Commerce, NOAA, Boulder, Colorado, 1984) 141-144.

71. "Tropospheric Methane in the Mid-Latitudes of the Southern Hemisphere," P.J. Fraser, M.A.K. Khalil, R.A. Rasmussen, and L.P. Steele. Journal of Atmospheric Chemistry 1, 125-135, 1984.

72. "The Atmospheric Lifetime of Methylchloroform (CH3CCl3)," M.A.K. Khalil and R.A. Rasmussen. Tellus B36, 317-332, 1984.

1985

73. "Variability of Methane and Carbon Monoxide at the South Pole," M.A.K. Khalil and R.A. Rasmussen. Antarctic Journal of the United States 19(5), 204-206, 1985.

74. "Methodology for Collecting Short Period Integrated Gas Samples: Estimating Acute Exposure to Woodburning Pollution," S.A. Edgerton, M.A.K. Khalil, and R.A. Rasmussen. Journal of Environmental Science and Health, A20(5) 563-581, 1985.

75. "Atmospheric Carbontetrafluoride (CF4): Sources and Trends," M.A.K. Khalil and R.A. Rasmussen. Geophysical Research Letters 12, 671-672, 1985.

76. "A Tool for Designing Receptor Model Studies to Apportion Source Impacts with Specified Precisions," R.T. DeCesar, S.A. Edgerton, M.A.K. Khalil, and R.A. Rasmussen. APCA Specialty Meeting on Receptor Methods for Source Apportionment; Real World Issues and Applications, T.G. Pace, Editor (Air Pollution Control Association, Pittsburgh, 1985).

77. "Causes of Increasing Atmospheric Methane: Depletion of Hydroxyl Radicals and the Rise of Emissions," M.A.K. Khalil and R.A. Rasmussen. Atmospheric Environment 19, 397-407, 1985.

78. "Gaseous Tracers for Sources of Regional Scale Pollution," M.A.K. Khalil, R.A. Rasmussen, and S.A. Edgerton. Journal of the Air Pollution Control Association 35, 838-840, 1985.

79. "Atmospheric Methane (CH4)," M.A.K. Khalil and R.A. Rasmussen. Sichuan Environment 4, 53-59, 1985.

80. "The Trend of Bromochlorodifluoromethane (CBrClF2) and the Concentrations of Other Bromine-Containing Gases at the South Pole." M.A.K. Khalil and R.A. Rasmussen. Antarctic Journal of the United States 20(5), 206- 207, 1985.

81. "Sensitivity Analysis of Mass Balance Receptor Modeling: Methyl Chloride as an Indicator of Wood Smoke," R.T. DeCesar, S.A. Edgerton, M.A.K. Khalil, and R.A. Rasmussen. Chemosphere 14, 1495-1501, 1985.

1986

82. "Trichlorotrifluoroethane (F-113): Trends at Pt. Barrow, Alaska," M.A.K. Khalil and R.A. Rasmussen. Geophysical Monitoring for Climatic Change 13, E.C. Nickerson, Editor (U.S. Department of Commerce, NOAA, Boulder, Colorado, 1986) 91-93.

83. "The Release of Trichlorofluoromethane from Rigid Polyurethane Foams," M.A.K. Khalil and R.A. Rasmussen. Journal of the Air Pollution Control Association 36, 159-163, 1986.

84. "The Behavior of Trace Gases in the Troposphere," R.A. Rasmussen and M.A.K. Khalil. Science of the Total Environment 48, 169-186, 1986.

85. "Interannual Variability of Atmospheric Methane: Possible Effects of the El Nino Southern Oscillation Phenomenon." M.A.K. Khalil and R.A. Rasmussen. Science 232, 56-58, 1986.

86. "Methane, Carbon Monoxide, and Methylchloroform in the Southern Hemisphere. P.J. Fraser, P. Hyson, R.A. Rasmussen, A.J. Crawford, and M.A.K. Khalil. Journal of Atmospheric Chemistry 4, 3-42, 1986.

87. "Atmospheric Trace Gases: Trends and Distributions over the Last Decade." R.A. Rasmussen and M.A.K. Khalil. Science 232, 1623-1624, 1986.

88. "Temporal Variability of C2-Hydrocarbons at the South Pole: Seasonal Cycles and the Possible Effects of El Nino." M.A.K. Khalil and R.A. Rasmussen. Antarctic Journal of the United States 21(5), 244-245, 1986.

89. "Indoor and Outdoor Air Pollution in the Himalayas." C.I. Davidson, S.-F. Lin, J.F. Osborn, M.R. Pandey, R.A. Rasmussen, and M.A.K. Khalil. Environmental Science and Technology 20, 561-567, 1986.

1986

90. "Air Chemistry over the Tropical Forest of Guyana." G.L. Gregory, R.C. Harriss, R.W. Talbot, R.A. Rasmussen, M. Garstang, M.O. Andreae, R.R. Hinton, E.V. Browell, S.M. Beck, D.I. Sebacher, M.A.K. Khalil, R.J. Ferek, and S.V. Harriss. Journal of Geophysical Research 91, 8603-8612, 1986.

91. "Logistic and Other Models for the Trends of Nitrous Oxide." M.A.K. Khalil and R.A. Rasmussen. Geophysical Monitoring for Climatic Change 14, Schnell and Rosson, Editors (U.S. Department of Commerce, NOAA, Boulder, Colorado, 1986) 117-120.

92. "Source Emission Characterization of Residential Wood Burning Stoves and Fireplaces: Fine Particle/Methyl Chloride Ratios for Use in Chemical Mass Balance Modeling," S.A. Edgerton, M.A.K. Khalil, and R.A. Rasmussen. Environmental Science and Technology 20, 803-807, 1986.

93. "Termites and Global Methane - Another Assessment," P.J. Fraser, R.A. Rasmussen, J.W. Creffield, J.R. French, and M.A.K. Khalil. Journal of Atmospheric Chemistry 4, 295-310, 1986.

1987

94. "Diurnal Variations in Residential Woodburning Pollution in Portland, Oregon." S.A. Edgerton, M.A.K. Khalil, and R.A. Rasmussen. Chemosphere 16, 155-160, 1987.

95. "The Residence Time of Trichlorofluoromethane in Polyurethane Foams: Variability, Trends, and Effects of Ambient Temperature." M.A.K. Khalil and R.A. Rasmussen. Chemosphere 16, 759-775, 1987.

96. "The Global Distribution of Methane in the Troposphere. L.P. Steele, P.J. Fraser, R.A. Rasmussen, M.A.K. Khalil, T.J. Conway, A.J. Crawford, R.H. Gammon, K.A. Masarie, and K.W. Thoning. Journal of Atmospheric Chemistry 5, 125-171, 1987.

97. "Atmospheric Methane: Trends Over the Last 10,000 Years." M.A.K. Khalil and R.A. Rasmussen. Atmospheric Environment 21, 2445-2452, 1987.

98. "Atmospheric Bromine in the Polar Regions." M.A.K. Khalil, R.A. Rasmussen, and R. Gunawardena. Geophysical Monitoring for Climatic Change 15, Schnell and Rosson, Editors (U.S. Department of Commerce, NOAA, Boulder, Colorado, 1987) 123-125.

100. "Chlorocarbons in the Southern Hemisphere: Concentrations and Temporal Trends." M.A.K. Khalil and R.A. Rasmussen. Baseline Atmospheric Program (Australia) 1985, B.W. Forgan and P.J. Fraser, Eds., 26-29, June 1987.

1988

101. "Isoprene Over the Amazon Basin." R.A. Rasmussen and M.A.K. Khalil. Journal of Geophysical Research 93, 1417-1421, 1988.

102. "Nitrous Oxide: Trends and Global Mass Balance Over the Last 3000 Years." M.A.K. Khalil and R.A. Rasmussen. Annals of Glaciology 10, 73-79, 1988.

103. "Carbon Monoxide in the Earth's Atmosphere: Indications of a Global Increase." M.A.K. Khalil and R.A. Rasmussen. Nature 332, 242-245, 1988.

104. "Trace Gases Over the Western Atlantic Ocean: Fluxes from the Eastern United States and Distributions In and Above the Planetary Boundary Layer." M.A.K. Khalil and R.A. Rasmussen. Global Biogeochemical Cycles 2(1) 63-71, 1988.

105. "Carbon Monoxide in an Urban Environment: Application of a Receptor Model for Source Apportionment." M.A.K. Khalil and R.A. Rasmussen. Journal of the Air Pollution Control Association 38, 901-906, 1988.

106. "Global Distributions of Anthropogenic Chlorocarbons: A Comparison of CFC-11, CFC-12, CFC-22, CFC-113, CCl4, and CH3CCl3 from an Ocean Cruise and from Land-Based Sampling Sites." M.A.K. Khalil and R.A. Rasmussen. Geophysical Monitoring for Climatic Change 16, B.A. Bodhaine and R. Rosson, Editors (U.S. Department of Commerce, NOAA, Boulder, Colorado, 1988) 85-86.

1989

107. "Global Trends of Natural and Anthropogenic Gaseous Chlorine in the Atmosphere: Observations at the South Pole and in the Pacific Northwest." M.A.K. Khalil and R.A. Rasmussen. Antarctic Journal of the United States 22(5), 259-262, 1989.

108. "Trends of Atmospheric Methane: Past, Present, and Future." M.A.K.Khalil and R.A. Rasmussen. Proceedings, Symposium on CO2 and Other Greenhouse Gases: Climatic and Associated Impacts, Brussels, Belgium, November 3-5, 1986, Commission of European Communities. R. Fantechi and A. Ghazi, Editors (Kluwer Academic Publishers, The Netherlands, 1989), pages 91-100.

109. "Temporal Variations of Trace Gases in Ice Cores." M.A.K. Khalil and R.A. Rasmussen. Dahlem Konferenzen, Berlin, 1988, The Environmental Record in Glaciers and Ice Sheets, Eds. H. Oeschger and C.C. Langway, Jr. (J. Wiley & Sons, N.Y., 1989) 193-205.

110. "The Application of a Chemical Mass Balance Model in China." Su Ge, M.A.K. Khalil, and J.A. Rau. Transactions, Receptor Models in Air Resources Management, J.G. Watson, Editor (Air & Waste Management Association, Pittsburgh, 1988), 12-19.

111. "Tracers of Pollution from Wood Burning and Receptor Modeling." J.A. Rau and M.A.K. Khalil. Transactions, Receptor Models in Air Resources Management, J.G. Watson, Editor (Air & Waste Management Association, Pittsburgh, 1988) 353-364.

112. "The Potential of Soils as a Sink of Chlorofluorocarbons and Other Man-Made Chlorocarbons." M.A.K. Khalil and R.A.Rasmussen. Geophysical Research Letters 16, 679-682, 1989.

113. "Atmospheric Methane, Ice Ages, and Population: A Graphical Review of Methane Concentrations Over the Last 160,000 Years." M.A.K. Khalil and R.A. Rasmussen. Antarctic Journal of the United States, 23(5), 177-178, 1989.

114. "Arctic Haze." G.E. Shaw and M.A.K. Khalil. The Handbook of Environmental Chemistry, Vol.4, Part B, Air Pollution, O. Hutzinger, Ed. (Springer-Verlag, Berlin, 1989) 69-111.

115. "Climate-Induced Feedbacks for the Global Cycles of Methane and Nitrous Oxide." M.A.K. Khalil and R.A. Rasmussen. Tellus 41B, 554-559, 1989.

116. "Urban Carbon Monoxide: Contributions of Automobiles and Wood Burning." M.A.K. Khalil and R.A. Rasmussen, Chemosphere 19, 1383-1386, 1989.

117. "Constraints Imposed by the Ice Core Data on the Budgets of Nitrous Oxide and Methane. M.A.K. Khalil and R.A. Rasmussen. Proceedings, 28th Liege International Astrophysical Colloquium, "Our Changing Atmosphere, P. Crutzen, J.-C. Gerard, and R. Zander, Editors (University of Liege, Belgium, 1989) 403-410.

118. "Trends of Atmospheric Methane During the 1960s and 1970s." M.A.K. Khalil, R.A. Rasmussen, and M.J. Shearer. Journal of Geophysical Research 94, 18279-18288, 1989.

119. "Distribution and Mass Balance of Molecular Hydrogen in the Earth's Atmosphere." M.A.K. Khalil and R.A. Rasmussen. Geophysical Monitoring for Climate Change 17, J.W. Elkins and R.M. Rossen, Editors (Department of Commerce, NOAA, Boulder, Colorado, 1989) 111-113.

1990

120. "Emissions of Trace Gases from Chinese Rice Fields and Biogas Generators: CH4, N2O, CO, CO2, Chlorocarbons and Hydrocarbons." M.A.K. Khalil, R.A. Rasmussen, and M.-X. Wang. Chemosphere 20, 207-226, 1990.

121. "Global Cycle of CO - Trends and Mass Balance." M.A.K. Khalil and R.A. Rasmussen. Chemosphere 20, 227-242, 1990.

122. "The Influence of Termites on Atmospheric Trace Gases: CH4, CO2, CHCl3, N2O, CO, H2, and Light Hydrocarbons." M.A.K. Khalil, R.A. Rasmussen, J.R. French, and J. Holt. Journal of Geophysical Research, 95, 3619-3634, 1990.

123. "Atmospheric Methane: Recent Global Trends." M.A.K. Khalil and R.A. Rasmussen. Environ. Sci. Technol. 24, 549-553, 1990.

124. "Constraints on the Global Sources of Methane and an Analysis of Recent Budgets." M.A.K. Khalil and R.A. Rasmussen. Tellus 42B, 229-236, 1990.

125. "Patterns of Trace Gases Near Sources of Global Pollution." M.A.K. Khalil and R.A. Rasmussen. J. Air & Waste Management Association 40, 1143-1146, 1990.

126. "Global Increase of Atmospheric Molecular Hydrogen." M.A.K. Khalil and R.A. Rasmussen. Nature 347, 743-745, 1990.

127. "Seasonal Cycles of Hydrogen and Carbon Monoxide in the Polar Regions: Opposite Phase Relationships. M.A.K. Khalil, R.A. Rasmussen. Antarctic Journal of the United States 24(5), 238-239, 1990.

128. "Atmospheric Carbon Monoxide: Latitudinal Distribution of Emissions." M.A.K. Khalil and R.A. Rasmussen. Geophysical Research Letters 17, 1913-1916, 1990.

1991

129. "Methane Emissions from Rice Fields in China." M.A.K. Khalil, R.A. Rasmussen, M.-X. Wang, and L. Ren. Environmental Science & Technology 25, 979-981, 1991.

130. "Theory and Development of a One Dimensional Time Dependent Radiative Convective Climate Model." R.M. MacKay and M.A.K. Khalil. Chemosphere 22(3-4), 383-417, 1991.

131. "Global Warming by Trace Gases in a One Dimensional Climate Model." M.A.K. Khalil and R.M. MacKay. World Resource Review 3(2), 127-140, 1991.

132. "The Global Methane Cycle." M.A.K. Khalil and R.A. Rasmussen. In Impact of Global Climate Changes on Photosynthesis and Plant Productivity, Y.P. Abrol et al. Editors (Oxford and IBH Publishing Co., Pvt. Ltd.; New Delhi, India), 641-651.

133. "Tropospheric OH: Model Calculations of Spatial, Temporal, and Secular Variations." Yu Lu and M.A.K. Khalil. Chemosphere 23 (3), 397-444, 1991.

134. "The Stability of Tropospheric OH During Ice Ages, Inter-Glacial Epochs and Modern Times." J.P. Pinto and M.A.K. Khalil. Tellus 43B, 347-352, 1991.

135. "Atmospheric Trace Gases, Anthropogenic Influences and Global Change." M.A.K. Khalil. In Encyclopedia of Earth System Science, W. Nierenberg, Editor (Academic Press, San Diego) 285-294, 1991.

136. "Climate Change: Relationship Between Temperature and Precipitation." M.A.K. Khalil, W. Zhao, and R.M. MacKay. In Encyclopedia of Earth System Science, W. Nierenberg, Editor (Academic Press, San Diego) 525-534, 1991.

137. "Trace Gases Over Hawaii: Concentrations, Trends, and Vertical Gradients." M.A.K. Khalil and R.A. Rasmussen Climate Monitoring and Diagnostics Laboratory, No. 19, Summary Report 1990, Ferguson and Rosson, Editors (Department of Commerce, NOAA, Boulder, Colorado, December 1991) 102-104.

138. "The Relationship Between Atmospheric Methane and Global Climate." M.A.K. Khalil and R.A. Rasmussen. Antarctic Journal of the United States 25(5), 249-251, 1991.

1992

139. "A Statistical Method for Estimating Uncertainties in the Total Global Budgets of Atmospheric Trace Gases." M.A.K. Khalil. J. Environ. Sci. Health A27(3), 755-770, 1992.

140. "Model Calculations of Night-Time Atmospheric OH," Y. Lu and M.A.K. Khalil. Tellus 44B, 106-113, 1992.

141. "Forest Hydrocarbon Emissions: Relationships Between Fluxes and Ambient Concentrations," M.A.K. Khalil and R.A. Rasmussen, J. Air Waste Manage. Assoc. 42, 810-813, 1992.

142. "Global Warming by Trace Gases in a One Dimensional Climate Model." M.A.K. Khalil and R.M. MacKay; World Resource Review, 3(2), 127-140, 1992.

143. "The Global Sources of Nitrous Oxide." M.A.K. Khalil and R.A. Rasmussen. J. Geophys. Res. 97 (D13), 14651-14660, 1992.

144. "Nitrous Oxide from Coal-Fired Power Plants: Experiments in the Plumes." M.A.K. Khalil and R.A. Rasmussen. J. Geophys. Res. 97(D13), 14645-14649, 1992.

145. "Atmospheric Trace Gases: Sources, Sinks, and Role in Global Change." M.A.K. Khalil. Chapter 17, A Global Warming Forum - Scientific, Economic, and Legal Overview, R.A. Geyer, Editor, CRC Press, Boca Raton, 1992), 358-389.

146. "Methane and the Greenhouse Effect: The Role of Cattle Over the Last Century." M.A.K. Khalil, R.M. MacKay, M.J. Shearer, and R.A. Rasmussen. For the Conference: Cattle on the Land, in press, 1992.

1993

147. "Methane Sources in China: Historical and Current Emissions." M.A.K. Khalil, M.J. Shearer, and R.A. Rasmussen. Chemosphere 26, 127-142, 1993.

148. "Methane from Coal Burning." M.A.K. Khalil, R.A. Rasmussen, M.J. Shearer, S. Ge, and J.A. Rau. Chemosphere 26, 473-478, 1993.

149. "Permafrost Methane Content: 1. Experimental Data from Sites in Northern Alaska." R.A. Rasmussen, M.A.K. Khalil, and F. Moraes. Chemosphere 26, 591-594, 1993.

150. "Permafrost Methane Content: 2. Modeling Theory and Results. F. Moraes and M.A.K. Khalil. Chemosphere 26, 595-608, 1993.

151. "Decreasing Trend of Methane: Unpredictability of Future Concentrations." M.A.K. Khalil and R.A. Rasmussen. Chemosphere 26, 803-814, 1993.

152. "Decline in the Trend of Atmospheric Methane." M.A.K. Khalil and R.A. Rasmussen. Climate Monitoring and Diagnostics Laboratory, No. 20, Summary Report 1991, E.E. Ferguson and R.M. Rosson, Editors (Department of Commerce, NOAA, Boulder, Colorado, December 1992) 105-107.

153. "Atmospheric Methyl Bromide: Trends and Global Mass Balance." M.A.K. Khalil, R.A. Rasmussen, and R. Gunawardena. J. Geophys. Res. 98, 2887-2896, 1993.

154. "Atmospheric Methane at Cape Meares: Analysis of a High Resolution Data Base and Its Environmental Implications." M.A.K. Khalil, R.A. Rasmussen, and F. Moraes. J. Geophys. Res., in press, 1993.

155. "Methane and Carbon Monoxide in OH Chemistry: The Effects of Feedbacks and Reservoirs Generated by the Reactive Products." Yu Lu and M.A.K. Khalil. Chemosphere, 26, 641-655, 1993.

156. "Arctic Haze: Patterns and Relationships to Regional Signatures of Trace Gases." M.A.K. Khalil and R.A. Rasmussen. Global Biogeochemical Cycles, 7(1), 27-36, 1993.

Submitted

Free Oscillation of the Earth Climate System: A Theory of the 100 kyr Climate Cycle. R.M. MacKay and M.A.K. Khalil Submitted on June 7, 1989, to IGS for August 1989 Seattle meeting (to be rewritten) Atmospheric Methyl Bromide: Trends and Global Mass Balance." M.A.K. Khalil, R.A. Rasmussen, and R. Gunawardena. Submitted to JGR, August 1992.

Trends of Atmospheric Methane. M.A.K. Khalil and R.A. Rasmussen. IUPAC paper, 1992

In Review

The Roles of CO and CH4 in OH Chemistry. Y. Lu and M.A.K. Khalil. To JGR, 2-10-92.

"Arctic Haze: Relationships to Regional Signatures of Trace Gases." M.A.K. Khalil and R.A. Rasmussen. Submitted to Global Biogeochemical Cycles, July 10, 1992.

Cape Meares Methane (to JGR 12-2-92) Khalil, Rasmussen, Moraes

In Press

"Trace Gases Over Antarctica: Bromine, Chlorine and Organic Compounds Involved in Global Change." M.A.K. Khalil and R.A. Rasmussen. AJUS, Review issue 1991-1992.

"Decline in the Trend of Atmospheric Methane." M.A.K. Khalil and R.A. Rasmussen. CMDL/NOAA Summary Report No. 20, 1992.

Other Publications

"The Global Methane Cycle." M.A.K. Khalil and R.A. Rasmussen. In Proceedings of the International Conference on Global and Regional Environmental Atmospheric Chemistry (IGREAC). L. Newman, W.-X. Wang, and C.S. Kiang, Editors (Brookhaven National Laboratory, Upton, NY, 11973) 54-62, 1990.

Sources of Methane in China: Rice Fields, Biogas Pits, Cattle, Urban Areas, and Wetlands. M.A.K. Khalil, R.A. Rasmussen, M.-X. Wang, and L. Ren. In Proceedings of the International Conference on Global and Regional Environmental Atmospheric Chemistry (IGREAC). L. Newman, W.-X. Wang, and C.S. Kiang, Editors (Brookhaven National Laboratory, Upton, NY, 11973) 213-222, 1990.