Research Article

Changes in the Austral Winter Hadley Circulation and the Impact on Stationary Rossby Waves Propagation

Figure 3

Anomaly for weak HC cases at 200 hPa in JJA for: (a) divergence, (b) Rossby wave source (RWS), (c) vortex stretching term (VS), (d) advection of absolute vorticity by divergent flow term (AV). The shaded areas represent positive values. The divergence contour plot has a contour interval of  s−1. RWS and its terms contour plots have contour interval of  s−2. The symbols C and CS are described in the text.
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(a)  Divergence
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(b) RWS
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(c) VS
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(d) AV