View source for File:Figure 4.9 - Trends in December-May Z500, surface temperature and 925hPa winds, and SAM contribution.png

December-May trends (left) and the contribution of the SAM to the trends (right). Top, 22-year (1979-2000) linear trends in 500 hPa geopotential height. Bottom: 32-year (1969-2000) linear trends in surface temperature and 22-year (1979-2000) linear trends in 925 hPa winds. Shading is drawn at 10 m per 30 years for 500 hPa height and at increments of 0.5&ordm; K per 30 years for surface temperature. The longest vector corresponds to about 4 m/s. From Thompson and Solomon (2002<ref name="Thompson and Solomon, 2002">Thompson, D. and Solomon, S. 2002. Interpretation of recent southern hemisphere climate change, ''Science'', '''296'''(5569), 895-899.</ref>).
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