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  • 1
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    Stratospheric H2O (1980)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: The present state of our knowledge and understanding of H2O in the stratosphere is reviewed. This reveals continuing discrepancies between observations and expectations following from the Brewer-Dobson hypothesis of stratospheric circulation. In particular, available observations indicate unexplained upward and poleward directed H2O gradients immediately downstream from the tropical tropopause and variable vertical gradients above 20 km which generally disagree with those expected from oxidation of CH4.
    Keywords: GEOPHYSICS
    Type: Planetary and Space Science; 28; Aug. 198
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Hydrogen species (1985)
    In:  CASI
    Details
    Publication Date: 2019-08-13
    Description: Measurements of the members of the HO(x) family (OH, HO2, and H2O2) and their major source gases, H2O, and CH4 are discussed. Emphasis is placed on measurements which were made since the 1982 World Meteorologic Organization (WMO) report. Measurement techniques, available data, an assessment of data reliability, and a comparison of the data with theoretical distributions of stratospheric HO(x) species predicted from one and two dimensional photochemical models are discussed.
    Keywords: GEOPHYSICS
    Type: Atmospheric Ozone 1985. Assessment of our Understanding of the Processes Controlling its Present Distribution and Change, Volume 2; 58 p
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Strat-trop exchange (1985)
    In:  CASI
    Details
    Publication Date: 2019-08-27
    Description: Exchange between the stratosphere and troposphere is important to the chemical composition of both regions. The export of ozone from the stratosphere provides the troposphere with a means of initiating photochemistry. The precursor molecules originating from the planetary surface provide the stratosphere with its chemical feedstock from which the ozone-controlling HO(x), NO(x), and Cl(x) photochemistries are driven. The tropopause is defined both statistically and in a local, synoptic sense by the value P(sub theta) = .000016 K sq m/kg/s, taken from an objective analysis of 8 years of zonal, temporal mean cross sections of potential temperature, wind and potential vorticity.
    Keywords: GEOPHYSICS
    Type: Atmospheric Ozone 1985. Assessment of our Understanding of the Processes Controlling its Present Distribution and Change, Volume 1; 92 p
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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