Papers in Meteorology and Geophysics
Online ISSN : 1880-6643
Print ISSN : 0031-126X
ISSN-L : 0031-126X
Application of Momentum-Transport Theory for 5-Day Mean Chart
T. OzawaK. Tomatsu
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1956 Volume 7 Issue 2 Pages 90-98


The statistical method for extended forecast is considered to have the two aspects of the climatological, statistical study and the verification of the various theories for the general circulation. In the following the relationship between the accumulation of angular momentum and the tendency of the zonal wind change for 5-day mean chart is statistically verified. Its relationship is statistically significant in high and middle latitudes. The study suggests that the momentum flow may be a useful quantity for forecasting the zonal wind-speed for the 5-day mean chart. As a preliminary report on the climatological, statistical study for the general circulation, the spectral distributions of the wave number of the height along the latitudes are discussed.

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