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  • Artikel
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  • American Geophysical Union (AGU)
  • American Institute of Physics
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  • 2020-2024
  • 1980-1984  (2)
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  • 1
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    A significant upper limit for the rate of formation, of OCS from the reaction of OH with CS2 (1980)
    American Geophysical Union (AGU)
    In:  Geophysical Research Letters, 7 (10). pp. 797-800.
    Details
    Publikationsdatum: 2020-07-30
    Beschreibung: The rate of reaction of OH with CS2 to form OCS by reaction (1) has been measured through observation of O14CS following 254 nm equation image photolysis of mixtures of H2O2 with 14CS2. The OH concentrations have been monitored through simultaneous measurement in the same cell of either (a) the oxidation of CO to CO2, or (b) the removal of a hydrocarbon such as C3H8 or iso-C4H10. The upper limit for the formation of OCS based on (a) corresponds to a rate constant k1 〈 0.3 × 10−14 cm³ molecule−1 sec−1. Other chemical reactions in the system have led to the formation of both 14CO and 14CO2, indicating the existence of a complex combination of reactions such that the observed O14CS need not have been formed by (1). The rate of reaction (1) is sufficiently slow that it is neither an important atmospheric sink for CS2 nor an important source for atmospheric OCS. The reaction of OH with OCS has not been measured in these experiments, but by analogy with k1 it is probably not an important atmospheric sink for OCS nor an important source of SO2.
    Materialart: Article , PeerReviewed
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  • 2
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    New equation for the speed of sound in natural waters (with comparisons to other equations) (1974)
    American Institute of Physics
    In:  Journal of the Acoustical Society of America, 56 (4). p. 1084.
    Details
    Publikationsdatum: 2020-07-16
    Beschreibung: A new equation for the speed of sound in sea water has been developed with validity not only for realistic combinations of the parameters salinity, temperature, and pressure, but with extension to pure water as well. This new equation, referred to as NRL II, has a standard deviation of 0.05 m/sec. Tables are presented comparing calculations using this new model to each of eight earlier equations. Graphs are also included indicating approximate corrections that could be applied to existing sound speed profiles, but it is recommended that such profiles be recalculated and new ones obtained according to NRL II.
    Materialart: Article , PeerReviewed
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  • 3
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    Optimum frequencies for noise‐limited active sonar detection (1981)
    American Institute of Physics
    In:  The Journal of the Acoustical Society of America, 70 (5). pp. 1336-1338.
    Details
    Publikationsdatum: 2020-05-11
    Beschreibung: The curves of optimum frequencies versus maximum range for active sonar detection under specific sets of assumptions are presented for the more recent expressions for attenuation given by Lovett [J. Acoust. Soc. Am. 58, 620–625 (1975)] for the eastern North Pacific and Thorp [J. Acoust. Soc. Am. 42, 270 (1967)] for the western North Atlantic as corrected at low frequencies by Kibblewhite et al. [J. Acoust. Soc. Am. 60, 1040–1047 (1976)].
    Materialart: Article , PeerReviewed
    Format: text
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