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The equatorial tropospheric wind regime
Author(s) -
Tucker G. B.
Publication year - 1965
Publication title -
quarterly journal of the royal meteorological society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.744
H-Index - 143
eISSN - 1477-870X
pISSN - 0035-9009
DOI - 10.1002/qj.49709138804
Subject(s) - troposphere , equator , climatology , southern hemisphere , northern hemisphere , atmospheric sciences , zonal and meridional , zonal flow (plasma) , westerlies , geology , environmental science , flux (metallurgy) , latitude , physics , geodesy , quantum mechanics , metallurgy , tokamak , plasma , materials science
Wind observations in the troposphere above seven stations in the vicinity of the Equator have been analysed for the years 1961 and 1962. Strong mean meridional circulations emerge as features of the tropospheric wind regime. Easterly winds occur throughout most of the troposphere, but at times during the northern hemisphere winter a net westerly wind appears to exist in the upper troposphere. There is a strong momentum flux towards the summer hemisphere; the greatest contribution to this comes from the standing eddy flux which is due largely to strong monsoon influences on the flow patterns at 200 mb and above in the Indian Ocean‐West Pacific sector.