By National Research Council, Division on Earth and Life Studies, Polar Research Board, Board on Atmospheric Sciences and Climate, Committee on Linkages Between Arctic Sea Ice Loss and Mid-Latitude Weather Patterns: A Workshop, Katie Thomas
The Arctic has been present process major alterations lately. regular temperatures are emerging two times as speedy as they're in other places on the earth. the level and thickness of sea ice is quickly declining. Such alterations could have an impression on atmospheric stipulations outdoors the area. numerous hypotheses for the way Arctic warming could be influencing mid-latitude climate styles were proposed lately. for instance, Arctic warming could lead on to a weakened jet flow leading to extra continual climate styles within the mid-latitudes. Or Arctic sea ice loss may lead to a rise of snow on high-latitude land, which in flip affects the jet move leading to chilly Eurasian and North American winters. those and different capability connections among a warming Arctic and mid-latitude climate are the topic of lively research.
Linkages among Arctic Warming and Mid-Latitude climate Patterns is the precis of a workshop convened in September 2013 through the nationwide learn Council to study our present knowing and to debate examine had to higher comprehend proposed linkages. a various array of specialists tested linkages among a warming Arctic and mid-latitude climate styles. The workshop integrated displays from best researchers representing a number of perspectives in this subject. The workshop used to be prepared to permit individuals to take an international point of view and examine the impression of the Arctic within the context of forcing from different parts of the weather procedure, comparable to alterations within the tropics, ocean movement, and mid-latitude sea floor temperature. This document discusses our present realizing of the mechanisms that hyperlink declines in Arctic sea ice conceal, lack of high-latitude snow conceal, adjustments in Arctic-region power fluxes, atmospheric stream styles, and the incidence of utmost climate occasions; attainable implications of extra critical lack of summer time Arctic sea ice upon climate styles at reduce latitudes; significant gaps in our figuring out, and observational and/or modeling efforts which are had to fill these gaps; and present possibilities and barriers for utilizing Arctic sea ice predictions to evaluate the danger of temperature/precipitation anomalies and severe climate occasions over northern continents.
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Extra resources for Linkages Between Arctic Warming and Mid-Latitude Weather Patterns: Summary of a Workshop
Journal of Climate 27:244-264. Perlwitz, J. and N. Harnik. 2004. Downward coupling between the stratosphere and troposphere: The relative roles of wave and zonal mean processes. Journal of Climate 17(24):4902-4909. Petoukhov, V. and V. A. Semenov. 2010. A link between reduced Barents-Kara sea ice and cold winter extremes over northern continents. Journal of Geophysical ResearchAtmospheres 115. Pithan, F. and T. Mauritsen. 2014. Arctic amplification dominated by temperature feedbacks in contemporary climate models.
What model biases impact predictability, and what model complexity is required? g. , 2013). Holland argued that the inherent limits of sea ice predictions coupled with the need for system improvements to realize predictability should be acknowledged as an important limitation with respect to the possible influence of sea ice loss on extreme weather. Model Limitations: CMIP Biases As highlighted in this workshop, CMIP5 model projections can be a useful tool for studying linkages between Arctic amplification and mid-latitude circulation.
Zhang, R. D'Arrigo, and J. Z. Su. 2013. On the Relationship between Winter Sea Ice and Summer Atmospheric Circulation over Eurasia. Journal of Climate 26(15):5523-5536. Yang, S. T. and J. H. Christensen. 2012. Arctic sea ice reduction and European cold winters in CMIP5 climate change experiments. Geophysical Research Letters 39. , S. Feldstein, and S. Lee. 2011. The impact of the Madden-Julian Oscillation trend on the Arctic amplification of surface air temperature during the 1979-2008 boreal winter.
Linkages Between Arctic Warming and Mid-Latitude Weather Patterns: Summary of a Workshop by National Research Council, Division on Earth and Life Studies, Polar Research Board, Board on Atmospheric Sciences and Climate, Committee on Linkages Between Arctic Sea Ice Loss and Mid-Latitude Weather Patterns: A Workshop, Katie Thomas