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On the mean meridional circulations in the Northern Hemisphere during the winter season

✍ Scribed by E. Palmén; L. A. Vuorela

Publisher
John Wiley and Sons
Year
1963
Tongue
English
Weight
531 KB
Volume
89
Category
Article
ISSN
0035-9009

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✦ Synopsis

Abstract

A new attempt is made to determine the mean meridional wind components of the Northern Hemisphere at different levels for the winter season December‐February, and to compute the mean mass circulation as a function of latitude. The computation shows the existence of a strong ‘direct’ Hadley circulation in low latitudes and a much weaker ‘indirect’ circulation in higher latitudes. From the mass circulation in low latitudes the meridional flux of water vapour is computed, and from the divergence of this flux the difference between precipitation and evaporation from the earth's surface is evaluated for different latitudinal belts between the Equator and 40°N.

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Mean meridional circulations in the atmo
Mean meridional circulations in the atmosphere
✍ G. B. Tucker 📂 Article 📅 1959 🏛 John Wiley and Sons 🌐 English ⚖ 930 KB

## Abstract The mean meridional circulation in winter and summer is derived as a function of latitude and height from an analysis of observed winds in the area 160°W‐0‐40°E, 75°N‐15°N. The results confirm the classical idea of a direct circulation in low latitudes, but the indirect circulation in m