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Sökning: onr:"swepub:oai:gup.ub.gu.se/229467" > Large-scale circula...

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FältnamnIndikatorerMetadata
00003908naa a2200397 4500
001oai:gup.ub.gu.se/229467
003SwePub
008240528s2016 | |||||||||||000 ||eng|
009oai:research.chalmers.se:0cee9616-6a89-4a92-864d-a68acdb34b2f
024a https://gup.ub.gu.se/publication/2294672 URI
024a https://doi.org/10.1007/s00382-015-2782-z2 DOI
024a https://research.chalmers.se/publication/2294672 URI
040 a (SwePub)gud (SwePub)cth
041 a eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Liu, W.4 aut
2451 0a Large-scale circulation classification and its links to observed precipitation in the eastern and central Tibetan Plateau
264 c 2015-08-05
264 1b Springer Science and Business Media LLC,c 2016
520 a The relationship between the large-scale circulation dynamics and regional precipitation regime in the Tibetan Plateau (TP) has so far not been well understood. In this study, we classify the circulation types using the self-organizing maps based on the daily field of 500 hPa geopotential height and link them to the precipitation climatology in the eastern and central TP. By virtue of an objective determining method, 18 circulation types are quantified. The results show that the large amount of precipitation in summer is closely related to the circulation types in which the enhanced and northward shifted subtropical high (SH) over the northwest Pacific and the obvious cyclconic circulation anomaly over the Bay of Bengal are helpful for the Indian summer monsoon and East Asian summer monsoon to take abundant low-latitude moisture to the eastern and southern TP. On the contrary, the dry winter in the central and eastern Tibet corresponds to the circulation types with divergence over the central and eastern TP and the water vapor transportations of East Asian winter monsoon and mid-latitude westerly are very weak. Some circulation types are associated with some well-known circulation patterns/monsoons influencing the TP (e.g. East Atlantic Pattern, El Niño Southern Oscillation, Indian Summer Monsoon and the mid-latitude westerly), and exhibit an overall good potential for explaining the variability of regional seasonal precipitation. Moreover, the climate shift signals in the late 1970s over the eastern Pacific/North Pacific Oceans could also be reflected by both the variability of some circulation types and their correspondingly composite precipitations. This study extends our understandings for the large-scale atmospheric dynamics and their linkages with regional precipitation and is beneficial for the climate change projection and related adaptation activities in the highest and largest plateau in the world.
650 7a NATURVETENSKAPx Geovetenskap och miljövetenskap0 (SwePub)1052 hsv//swe
650 7a NATURAL SCIENCESx Earth and Related Environmental Sciences0 (SwePub)1052 hsv//eng
700a Wang, L.4 aut
700a Chen, Deliang,d 1961u Gothenburg University,Göteborgs universitet,Institutionen för geovetenskaper,Department of Earth Sciences,Chalmers tekniska högskola,Chalmers University of Technology,University of Gothenburg4 aut0 (Swepub:cth)xchede
700a Tu, K.4 aut
700a Ruan, C.4 aut
700a Hu, Z.4 aut
710a Göteborgs universitetb Institutionen för geovetenskaper4 org
773t Climate Dynamicsd : Springer Science and Business Media LLCg 46:11, s. 3481-3497q 46:11<3481-3497x 0930-7575x 1432-0894
856u http://ir.igsnrr.ac.cn/bitstream/311030/43096/1/Liu-2016-Large-scale%20circulat.pdf
856u http://dx.doi.org/10.1007/s00382-015-2782-zy FULLTEXT
8564 8u https://gup.ub.gu.se/publication/229467
8564 8u https://doi.org/10.1007/s00382-015-2782-z
8564 8u https://research.chalmers.se/publication/229467

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