This also makes more sense regarding how there could be an ice age on land masses if enough precipitation comes down (some time in the next few hundreds years). So, in that case the arctic might be completely free from ice but there might be ice from the Sierras and Cascades all across the U.S. and possibly across Europe and China too.
begin quote from:
“Warm Arctic, Cold Continents”
The Official Magazine of The Oceanography Society
Warm Arctic, Cold Continents: A Common Pattern Related to Arctic Sea Ice Melt, Snow Advance, and Extreme Winter Weather
Judah Cohen | Atmospheric and Environmental Research, Lexington, MA, USA
Justin Jones | Atmospheric and Environmental Research, Lexington, MA, USA
Jason C. Furtado | Atmospheric and Environmental Research, Lexington, MA, USA
Eli Tziperman | Department of Earth and
Planetary Sciences and School of Engineering and Applied Sciences,
Harvard University, Cambridge, MA, USA
- http://dx.doi.org/10.5670/oceanog.2013.70
- Export Article Citation: BibTeX | Reference Manager
- Full Article: PDF
Article Abstract
Arctic sea ice was observed to be at a new record minimum in
September 2012. Following this summer minimum, northern Eurasia and much
of North America experienced severe winter weather during the winter of
2012/2013. A statistical model that used Eurasian snow cover as its
main predictor successfully forecast the observed cold winter
temperatures. We propose that the large melting of Arctic sea ice may be
related to the rapid advance of snow cover, similar to the connection
made in studies of past climates between low Arctic sea ice and enhanced
continental snowfalls and glacial inception via ice sheet growth.
Regressions between autumnal sea ice extent and Eurasian snow cover
extent and Northern Hemisphere temperatures yield the characteristic
“warm Arctic/cold continents” pattern. This pattern was observed during
winter 2012/2013, and it is common among years with observed low autumn
sea ice, rapid autumn snow cover advance, and a negative winter Arctic
Oscillation. Dynamical models fail to capture this pattern, instead
showing maximum warming over the Arctic Ocean and widespread winter
warming over the adjacent continents. We suggest that the simulated
widespread warming may be due to incorrect sea ice-atmosphere coupling,
including an incorrect triggering of positive feedback between low sea
ice and atmospheric convection, resulting in significant model errors
that are evident in seasonal predictions and that potentially impact
future climate change projections.
Citation
Cohen, J., J. Jones, J.C. Furtado, and E. Tziperman. 2013. Warm
Arctic, cold continents: A common pattern related to Arctic sea ice
melt, snow advance, and extreme winter weather. Oceanography 26(4):150–160, http://dx.doi.org/10.5670/oceanog.2013.70.
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