Figure 9.31 summarises some of the model results for projections of future climate change for the end of the 21st century. This figure can be compared to one for observations from the 20th century in Chapter 2 (Figure 2.37). A number of the observed changes are qualitatively consistent with those projected for future climate changes from climate models. A confidence scale is provided for the model projections in Figure 9.31, and is the same as the one used in the Executive Summary. Since there is considerable agreement between the observations in Figure 2.37 and the model results listed in Figure 9.31, we conclude that many of the larger observed climate changes to date are qualitatively consistent with those changes in climate models for future climate with increases of greenhouse gases.
Figure 9.31: Schematic of changes in the temperature and hydro-logical indicators from projections of future climate changes with AOGCMs. This figure can be compared with Figure 2.37 to note climate changes already observed, to provide a measure of qualitative consistency with what is projected from climate models. |
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