Sökning: onr:"swepub:oai:gup.ub.gu.se/226604" > Two distinct influe...
Fältnamn | Indikatorer | Metadata |
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000 | 03050naa a2200433 4500 | |
001 | oai:gup.ub.gu.se/226604 | |
003 | SwePub | |
008 | 240528s2015 | |||||||||||000 ||eng| | |
024 | 7 | a https://gup.ub.gu.se/publication/2266042 URI |
024 | 7 | a https://doi.org/10.1038/ngeo25172 DOI |
040 | a (SwePub)gu | |
041 | a eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Kug, J. S.4 aut |
245 | 1 0 | a Two distinct influences of Arctic warming on cold winters over North America and East Asia |
264 | c 2015-08-31 | |
264 | 1 | b Springer Science and Business Media LLC,c 2015 |
520 | a Arctic warming has sparked a growing interest because of its possible impacts on mid-latitude climate(1-5). A number of unusually harsh cold winters have occurred in many parts of East Asia and North America in the past few years(2,6,7), and observational and modelling studies have suggested that atmospheric variability linked to Arctic warming might have played a central role(1,3,4,8-11). Here we identify two distinct influences of Arctic warming which may lead to cold winters over East Asia or North America, based on observational analyses and extensive climate model results. We find that severe winters across East Asia are associated with anomalous warmth in the Barents-Kara Sea region, whereas severe winters over North America are related to anomalous warmth in the East Siberian-Chukchi Sea region. Each regional warming over the Arctic Ocean is accompanied by the local development of an anomalous anticyclone and the downstream development of a mid-latitude trough. The resulting northerly flow of cold air provides favourable conditions for severe winters in East Asia or North America. These links between Arctic and mid-latitude weather are also robustly found in idealized climate model experiments and CMIP5 multi-model simulations. We suggest that our results may help improve seasonal prediction of winter weather and extreme events in these regions. | |
650 | 7 | a NATURVETENSKAPx Geovetenskap och miljövetenskapx Geologi0 (SwePub)105042 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Earth and Related Environmental Sciencesx Geology0 (SwePub)105042 hsv//eng |
653 | a sea-ice loss | |
653 | a midlatitude weather | |
653 | a amplification | |
653 | a reanalysis | |
653 | a blocking | |
653 | a link | |
653 | a Geology | |
700 | 1 | a Jeong, J. H.4 aut |
700 | 1 | a Jang, Y. S.4 aut |
700 | 1 | a Kim, B. M.4 aut |
700 | 1 | a Folland, Chris K.u Gothenburg University,Göteborgs universitet,Institutionen för geovetenskaper,Department of Earth Sciences4 aut |
700 | 1 | a Min, S. K.4 aut |
700 | 1 | a Son, S. W.4 aut |
710 | 2 | a Göteborgs universitetb Institutionen för geovetenskaper4 org |
773 | 0 | t Nature Geoscienced : Springer Science and Business Media LLCg 8:10, s. 759-762q 8:10<759-762x 1752-0894x 1752-0908 |
856 | 4 8 | u https://gup.ub.gu.se/publication/226604 |
856 | 4 8 | u https://doi.org/10.1038/ngeo2517 |
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