Papers in Meteorology and Geophysics
Online ISSN : 1880-6643
Print ISSN : 0031-126X
ISSN-L : 0031-126X
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Volume 28, Issue 1
Displaying 1-3 of 3 articles from this issue
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  • On the Comparison Between the Observed Vertical Profiles of Longwave Radiative Fluxes and the Computed Ones in Japan
    Muneyasu Kano, Masaatsu Miyauchi
    1977 Volume 28 Issue 1 Pages 1-8
    Published: 1977
    Released on J-STAGE: December 11, 2012
    DOIhttps://doi.org/10.2467/mripapers1950.28.1_1
    JOURNAL FREE ACCESS
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    Comparisons of observed vertical profiles of longwave radiative fluxes with the computed ones are made for the recent data obtained at three meteorological observatories in Japan. The results are:
    For the downward flux, the mean observed value is larger than the computed one at all levels in the troposphere. The mean observed value is larger than the computed one by 3.6% of the computed one at 900 mb level and the difference increases with altitude and amounts to 17.9% at 300 mb level.
    For the upward flux, the mean observed value is larger than the computed one by 2.7% of the computed one at 900 mb level and the difference decreases with altitude and the observed value becomes smaller than the computed one beyond 600 mb level and the difference increases with altitude and amounts to 5.4% at 300 mb level. Considering the variations of ground surface conditions, the mean observed value may become smaller than the computed one at all levels.
    The discrepancy between the observed radiative fluxes and the computed ones may be mainly due to the contributions of atmospheric aerosols and vapor pressure-broadened continuum absorption (water dimer molecules) in the lowest layer and to the measurement errors in the upper layer.
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  • Variation of Nitrate vs. Phosphate Ratio in the Pacific Water
    Takeshi Sagi
    1977 Volume 28 Issue 1 Pages 9-27
    Published: 1977
    Released on J-STAGE: December 11, 2012
    DOIhttps://doi.org/10.2467/mripapers1950.28.1_9
    JOURNAL FREE ACCESS
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    A linear relationship was confirmed not only between phosphate and AOU but also between nitrate and AOU. From this results, phosphate and nitrate may be said to con sist, respectively, of two parts, i. e. the AOU dependent one, which is oxidative, and the AOU non-dependent one, which is conservative. A linear relation was also confirmed between conservative nitrate and conservative phosphate in the Pacific waters. Observational results showed that the relation between conservative nitrate and conservative phosphate can be simply formulated as a linear equation. But in some cases, some deviations were found from the above equation.
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  • On the Distribution of Nitrate Nitrogen in the Pacific Ocean
    Takeshi Sagi
    1977 Volume 28 Issue 1 Pages 29-38
    Published: 1977
    Released on J-STAGE: December 11, 2012
    DOIhttps://doi.org/10.2467/mripapers1950.28.1_29
    JOURNAL FREE ACCESS
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    The desirable conditions for the operation of the Auto-Analyzer system were confirmed for the determination of nitrate in sea water. Based on nitrate data obtained up to the present, some characteristics were described with respect to the horizontal distributions on the isobaths and the vertical distributions along several meridians.
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