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  • 1
    Online Resource
    Online Resource
    James B. Macelwane Award: Citation and Acceptance of Ralph J. Cierone
    American Geophysical Union (AGU) ; 1979
    In:  Eos, Transactions American Geophysical Union Vol. 60, No. 31 ( 1979-07-31), p. 549-550
    Details
    In: Eos, Transactions American Geophysical Union, American Geophysical Union (AGU), Vol. 60, No. 31 ( 1979-07-31), p. 549-550
    Abstract: Ralph J. Cicerone came to work for us at The Univer sity of Michigan in the fall of 1970 after completing his Ph.D. in electrical engineering and physics at Th e University of Illinois under Professor S. A. Bowhill. Those of you who know him for his work in atmospheric chemistry might not know that his undergraduate education (B. S. from MIT, 1965) was also in electrical engineering. He tells me that he went to MIT intending to major in chemistry, but that electrical engineering was very exciting and alluring to mid‐60's undergradu ates at MIT and the emphasis on basic sciences left him fairly well prepared to branch out later in his career. His Ph.D. research and his subsequent work with us at Michigan in ionospheric physics involved both theoreti cal calculations and experimental work with high power radars. Ralph, along with Sid Bowhill, was one of the first to adapt the Monte Carlo techniques to ionospheric computations. He worked with Dr. John V. Evans, of MIT's Lincoln Laboratory, and later with me, to develop radar data‐taking and analysis methods for ionospheric photoelectron measurements.
    Type of Medium: Online Resource
    ISSN: 0096-3941 , 2324-9250
    URL: Article
    DOI: 10.1029/EO060i031p00549-02
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1979
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  • 2
    Online Resource
    Online Resource
    AGU awards the Twentieth Presentation of the James B. Macelwane Award to Ronald J. Prinn, David Southwood, and Donald J. Weidner
    American Geophysical Union (AGU) ; 1981
    In:  Eos, Transactions American Geophysical Union Vol. 62, No. 29 ( 1981-07-21), p. 588-590
    Details
    In: Eos, Transactions American Geophysical Union, American Geophysical Union (AGU), Vol. 62, No. 29 ( 1981-07-21), p. 588-590
    Abstract: Mr. President, ladies, and gentlemen: We are honoring tonight a young scientist who combines an unusually broad knowledge of the chemistry and dynamics of planetary atmospheres with a healthy skepticism regarding established dogma and a marvelous ability to shrug off the displeasure of established dogmatists. Ron Prinn's theoretical research has significantly influenced our understanding of the terrestrial stratosphere as well as the atmospheres of Venus and Jupiter. Since 1980, when he joined the Department of Meteorology at Massachusetts Institute of Technology, he has been a leading participant in collaborative efforts to develop numerical models of the stratosphere combining comprehensive chemistry with realistic dynamics. Such models have been a rich source of controversy in our continuing efforts to predict man's potential impact on the ozone layer. Prinn's work on the chemistry of sulfur gases in the atmosphere of Venus, published in 1973 and 1975, foreshadowed the explosive growth of interest in the sulfur chemistry of the terrestrial atmosphere. By delimiting conditions for the predominance of either sulfur or sulfuric acid in the clouds of Venus, his work provided a basis for the interpretation of Pioneer Venus data. It was Prinn who suggested that the spectacular dark markings on ultraviolet images of Venus are caused by sulfur. More recently he has discussed the contribution of phosphorus to the color of the Great Red Spot on Jupiter. Not forsaking the mother planet, he is currently engaged in efforts to determine from field measurements whether there is any truth in the well‐established theory that freon, methyl chloroform, and nitrous oxide are chemically inert in the troposphere.
    Type of Medium: Online Resource
    ISSN: 0096-3941 , 2324-9250
    URL: Article
    DOI: 10.1029/EO062i029p00588-02
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1981
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  • 3
    Online Resource
    Online Resource
    F. Sherwood Rowland (1927–2012)
    American Association for the Advancement of Science (AAAS) ; 2012
    In:  Science Vol. 336, No. 6078 ( 2012-04-13), p. 170-170
    Details
    In: Science, American Association for the Advancement of Science (AAAS), Vol. 336, No. 6078 ( 2012-04-13), p. 170-170
    Abstract: F. Sherwood (“Sherry”) Rowland died on 10 March at age 84. He was a distinguished scientist, first in physical chemistry and radiochemistry as a hot-atom chemist and later as an atmospheric chemist ( 1 ). He was also famous for his leadership in discovering and publicizing the danger to the ozone layer posed by continued human release of chlorofluorocarbons (CFCs).
    Type of Medium: Online Resource
    ISSN: 0036-8075 , 1095-9203
    URL: Article
    DOI: 10.1126/science.1222108
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    Language: English
    Publisher: American Association for the Advancement of Science (AAAS)
    Publication Date: 2012
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  • 4
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    Temperature dependence of the rate constant and product channels for the bromine oxide + chlorine oxide reaction
    American Chemical Society (ACS) ; 1988
    In:  The Journal of Physical Chemistry Vol. 92, No. 7 ( 1988-04), p. 1853-1858
    Details
    In: The Journal of Physical Chemistry, American Chemical Society (ACS), Vol. 92, No. 7 ( 1988-04), p. 1853-1858
    Type of Medium: Online Resource
    ISSN: 0022-3654 , 1541-5740
    URL: Article
    DOI: 10.1021/j100318a032
    RVK:
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    Language: English
    Publisher: American Chemical Society (ACS)
    Publication Date: 1988
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  • 5
    Online Resource
    Online Resource
    Kinetics of the reactions of diatomic sulfur with atomic oxygen, molecular oxygen, ozone, nitrous oxide, nitric oxide, and nitrogen dioxide
    American Chemical Society (ACS) ; 1987
    In:  The Journal of Physical Chemistry Vol. 91, No. 5 ( 1987-02), p. 1199-1204
    Details
    In: The Journal of Physical Chemistry, American Chemical Society (ACS), Vol. 91, No. 5 ( 1987-02), p. 1199-1204
    Type of Medium: Online Resource
    ISSN: 0022-3654 , 1541-5740
    URL: Article
    DOI: 10.1021/j100289a033
    RVK:
    VA 5430
    Language: English
    Publisher: American Chemical Society (ACS)
    Publication Date: 1987
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  • 6
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    Online Resource
    Preface
    American Geophysical Union (AGU) ; 1984
    In:  Journal of Geophysical Research: Atmospheres Vol. 89, No. D4 ( 1984-06-30), p. 4967-4967
    Details
    In: Journal of Geophysical Research: Atmospheres, American Geophysical Union (AGU), Vol. 89, No. D4 ( 1984-06-30), p. 4967-4967
    Type of Medium: Online Resource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/JD089iD04p04967
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1984
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  • 7
    Online Resource
    Online Resource
    Haloe Antarctic observations in the spring of 1991
    American Geophysical Union (AGU) ; 1993
    In:  Geophysical Research Letters Vol. 20, No. 8 ( 1993-04-23), p. 719-722
    Details
    In: Geophysical Research Letters, American Geophysical Union (AGU), Vol. 20, No. 8 ( 1993-04-23), p. 719-722
    Type of Medium: Online Resource
    ISSN: 0094-8276
    URL: Article
    DOI: 10.1029/93GL00497
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1993
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  • 8
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    Stable carbon isotopic composition of atmospheric methane: A comparison of surface level and free tropospheric air
    American Geophysical Union (AGU) ; 1999
    In:  Journal of Geophysical Research: Atmospheres Vol. 104, No. D11 ( 1999-06-20), p. 13895-13910
    Details
    In: Journal of Geophysical Research: Atmospheres, American Geophysical Union (AGU), Vol. 104, No. D11 ( 1999-06-20), p. 13895-13910
    Abstract: We report CH 4 mixing ratios and δ 13 C of CH 4 values for remote air at two ground‐based atmospheric sampling sites for the period December 1994 to August 1998 and similar data from aircraft sampling of air masses from near sea level to near tropopause in September and October of 1996 during the Global Tropospheric Experiment Pacific Exploratory Mission (PEM)‐Tropics A. Surface values of δ 13 C‐CH 4 ranged from −47.02 to −47.52‰ at Niwot Ridge, Colorado (40°N, 105°W), and from −46.81 to −47.64‰ at Montaña de Oro, California (35°N, 121°W). Samples for isotopic analysis were taken from 2° to 27°S latitude and 81° to 158°W longitude and from sea level to 11.3 km in altitude during the PEM‐Tropics A mission. They represent the first study of 13 CH 4 in the tropical free troposphere. At ∼11 km, δ 13 C‐CH 4 was ∼1‰ greater than surface level values. Methane was generally enriched in 13 C as altitude increased and as latitude increased (toward the South Pole). Using criteria to filter out stratospheric subsidence and convective events on the basis of other trace gases present in the samples, we find evidence of a vertical gradient in δ 13 C‐CH 4 in the tropical troposphere. The magnitude of the isotopic shifts in atmospheric CH 4 with altitude are examined with a two‐dimensional tropospheric photochemical model and experimentally determined values for carbon kinetic isotope effects in chemical loss processes of CH 4 Model‐calculated values for δ 13 C‐CH 4 in both the troposphere and lower stratosphere significantly underpredict the enrichment in 13 CH 4 with altitude observed in our measurement data and data of other research groups.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/1999JD900029
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1999
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  • 9
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    The Halogen Occultation Experiment
    American Geophysical Union (AGU) ; 1993
    In:  Journal of Geophysical Research: Atmospheres Vol. 98, No. D6 ( 1993-06-20), p. 10777-10797
    Details
    In: Journal of Geophysical Research: Atmospheres, American Geophysical Union (AGU), Vol. 98, No. D6 ( 1993-06-20), p. 10777-10797
    Abstract: The Halogen Occultation Experiment (HALOE) was launched on the Upper Atmosphere Research Satellite (UARS) spacecraft September 12, 1991, and after a period of outgassing, it began science observations October 11. The experiment uses solar occultation to measure vertical profiles of O 3 , HCl, HF, CH 4 , H 2 O, NO, NO 2 , aerosol extinction, and temperature versus pressure with an instantaneous vertical field of view of 1.6 km at the Earth limb. Latitudinal coverage is from 80°S to 80°N over the course of 1 year and includes extensive observations of the Antarctic region during spring. The altitude range of the measurements extends from about 15 km to ≈ 60–130 km, depending on channel. Experiment operations have been essentially flawless, and all performance criteria either meet or exceed specifications. Internal data consistency checks, comparisons with correlative measurements, and qualitative comparisons with 1985 atmospheric trace molecule spectroscopy (ATMOS) results are in good agreement. Examples of pressure versus latitude cross sections and a global orthographic projection for the September 21 to October 15, 1992, period show the utility of CH 4 , HF, and H 2 O as tracers, the occurrence of dehydration in the Antarctic lower stratosphere, the presence of the water vapor hygropause in the tropics, evidence of Antarctic air in the tropics, the influence of Hadley tropical upwelling, and the first global distribution of HCl, HF, and NO throughout the stratosphere. Nitric oxide measurements extend through the lower thermosphere.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/93JD00799
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1993
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  • 10
    Online Resource
    Online Resource
    Kinetics of the BrO + ClO reaction and implications for stratospheric ozone
    Springer Science and Business Media LLC ; 1987
    In:  Nature Vol. 328, No. 6129 ( 1987-7), p. 405-408
    Details
    In: Nature, Springer Science and Business Media LLC, Vol. 328, No. 6129 ( 1987-7), p. 405-408
    Type of Medium: Online Resource
    ISSN: 0028-0836 , 1476-4687
    URL: Article
    DOI: 10.1038/328405a0
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    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 1987
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