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Earth, Planets and Space
Fig. 3 | Earth, Planets and Space

Fig. 3

From: Simulating influences of QBO phases and orographic gravity wave forcing on planetary waves in the middle atmosphere

Fig. 3

January mean amplitudes of geopotential height variations (gpm) produced by stationary planetary wave modes with zonal wavenumbers 1, 2, 3, and 4 (panels from the top to the bottom, respectively) for the easterly QBO phase without OGW effects a. The amplitudes differ due to involving OGW effects in the easterly QBO phase b and due to change in QBO phase from easterly to westerly without OGW c. Solid contours in panels b and c correspond to zero differences

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