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  • 1
    Electronic Resource
    Electronic Resource
    Intercomparison of NO column measurements during MAP/GLOBUS 1985 (1988)
    Springer
    Journal of atmospheric chemistry 7 (1988), S. 353-367 
    Details
    ISSN: 1573-0662
    Keywords: Nitric oxide ; intercomparison ; chemiluminescence ; infrared ; ultraviolet ; photochemical predictions ; GLOBUS
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Geosciences
    Notes: Abstract Column measurements of nitric oxide were made using several techniques during the MAP/GLOBUS campaign in France in September 1985. The data sets are nearly co-located and simultaneous, therefore allowing a valid intercomparison of the various measurement methods. The range of altitudes sampled differs from instrument to instrument. This complicates the comparison because the data sets are to some extent complementary. The NO distributions apparently vary significantly from day to day, and possibly over shorter timescales. Changes in dynamics may be responsible for these variations. The results from the instruments which measure in the infrared and the ultraviolet are self-consistent, and show good agreement with photochemical predictions. On 19 September, when the intercomparison was made, the profile measured by the in-situ chemiluminescent instrument differed significantly from the predicted profile, and the measured columns were generally higher.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00058710
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  • 2
    Electronic Resource
    Electronic Resource
    Line positions and intensities in theν 2 band of D2O improvied pumped D2O laser frequencies (1985)
    Springer
    International journal of infrared and millimeter waves 6 (1985), S. 199-233 
    Details
    ISSN: 1572-9559
    Keywords: Fourier transform infrared spectroscopy ; Deuterated water vapor ; Laser frequencies
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Using high resolution Fourier transform spectra, thev 2 band of D2O has been analysed leading to an extensive and precise set of rotational energy levels of the (0 1 0) vibrational state. These levels are reproduced very satisfactorily with a Watson type Hamiltonian and precise rotational constants as well as the band centerv 2 = 1178.3789 ± 0.0005 cm-1 are determined. A total of 61 line intensities were measured, much attention being paid to a possible contamination of the D2O sample by HDO. A least squares fit of the intensity data has provided us with an expansion of the transition moment operator of thev 2 band from which the first derivative $$\left( {\frac{{\partial ^x \mu }}{{\partial q_2 }}} \right)_e $$ = 0.1690 ± 0.0030 D has been deduced. Finally the complete synthetic spectrum of this band has been computed. All these results have been used to derive improved frequencies for the known pumped and far-infrared laser lines of D2O and to predict new possible coincidences with the available CO2 laser lines.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01010358
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    Paper (German National Licenses)
    Fulltext
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