One Hundred Years of Arctic Surface Temperature Variation

Fyfe1, von Salzen1, Gillett1, Arora1, Flato1 & McConnell2

1 Canadian Centre for Climate Modelling and Analysis

2 Desert Research Institute, Reno NV

What are roles of natural variability and anthropogenic forcing in Arctic surface temperature variation since 1900?

Main Question

Fyfe et al. (2013)

Fyfe et al. (2013)

Piecewise linear trends

Fyfe et al. (2013)

SO4 deposition on Greenland

Fyfe et al. (2013)

Fyfe et al. (2013)

SO4 concentration at Alert

1980-2005

Fyfe et al. (2013)

Role of volcanic emissions

Fyfe et al. (2013)

Role of the Atlantic Multidecadal Oscillation

Anthropogenic and volcanic emissions explain most of the Arctic temperature variation since 1900

Main Result

Fyfe et al. (2013)

One Hundred Years of Arctic Surface Temperature Variation

Fyfe1, von Salzen1, Gillett1, Arora1, Flato1 & McConnell2

1 Canadian Centre for Climate Modelling and Analysis

2 Desert Research Institute, Reno NV