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On the mean zonal and meridional circulations and the flux of moisture in the northern hemisphere during the summer season
Authors:Lauri A Vuorela  Ilkka Tuominen
Institution:(1) Department of Meteorology, University, Helsinki, Finland
Abstract:Summary The mean zonal and meridional wind components of the northern hemisphere at different pressure levels for the summer season June–August have been determined and the mean meridional mass circulation has been computed as a function of latitude. From the mass circulation the meridional flux of moisture is computed for the latitudinal belt 0°–45° N. Using the horizontal divergence of this flux the average difference between precipitation and evapotranspiration from the earth's surface is evaluated.
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