Global Outlook for Ice & Snow

(a)

Mean annual temperature at the permafrost surface (°C)

-25 - -8

-8 - -2.5

-2.5 - -0.5

1980 - 1999

-0.5 - 0

(b)

Projected change in mean annual temperature at the permafrost surface (°C)

-3 - -0

0 - +2

+2 - +4

+4 - +6

+6 - +8

2080 - 2099

thawing permafrost

CHAPTER 7

FROZEN GROUND

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