Whole reports ACIA and IPCC

A perceptual map of the chapters in the ACIA scientific report as a whole compared to IPCC's 2001 reports from Working Group I and II. The map is generated by a principal component analysis based on the frequency of the same selected words as in the analysis of chapters on the previous page, except for exclusion of the word biodiversity as this was not mentioned in all three reports. Dimension 1 (x-axis) accounts for 67 percent of the variation in the model and dimension 2 (y-axis) for 33 percent. The analysis shows that the ACIA report as a whole more frequently uses the words people, biological, political, and local, and words closely correlated with them, especially as compared to IPCC's Working Group I report. It less frequently uses the words im-pact(s), adaptation, global, and vulnerability, and words correlated with them, especially as compared to IPCC's Working Group II report. Compared to both IPCC reports, the ACIA report more often uses the words ice, terrestrial, and snow and words closely correlated with them .

ACIA and IPCC WG I and II selected words w o ra

IPCC WGI

IPCC WGII

ACIA

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-3-2-10123 precipitation, carbon < >biological, people

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