Figure : permafrost-temperature

Permafrost Temperature

Figure 11.5

National Aeronautics and Space Administration
Patrick C. Taylor

This figure appears in chapter 11 of the Climate Science Special Report: The Fourth National Climate Assessment: Volume I report.

Time series of annual mean permafrost temperatures (units: °F) at various depths from 39 to 65 feet (12 to 20 meters) from 1977 through 2015 at several sites across Alaska, including the North Slope continuous permafrost region (purple/blue/green shades), and the discontinuous permafrost (orange/pink/red shades) in Alaska and northwestern Canada. Solid lines represent the linear trends drawn to highlight that permafrost temperatures are warming faster in the colder, coastal permafrost regions than the warmer interior regions. (Figure Source: adapted from Romanovsky et al. 2016;75d4db91-a3d6-4533-bc7d-a4c4f3d89d99 © American Meteorological Society, used with permission.)

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This figure was created on September 02, 2016.

This figure was submitted on October 06, 2017.

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