caa a22 4500 605473862 CHVBK 20210128100345.0 cr unu---uuuuu 210128e20150301xx s 000 0 eng 10.1007/s00382-014-2355-6 doi (NATIONALLICENCE)springer-10.1007/s00382-014-2355-6 Energetics and dynamics associated with two typical mobile trough pathways over East Asia in boreal winter [Elektronische Daten] [Marco Leung, Hoffman Cheung, Wen Zhou] Two dominant types of East Asian mobile trough (EAMT) are identified by a novel mobile trough detection algorithm. The two major EAMTs likely pass through to the north and the south of Lake Baikal. In this study, both of synoptic and planetary time scales influences on East Asia are studied. For synoptic scale, southern path of mobile trough shows a higher rate of intensification that of northern path. Southern path has stronger impact on Southeast Asia temperature fluctuation because of more southern pathway and stronger magnitude of wave train. But duration of fluctuation is shorter in southern due to the downstream development. For planetary scale, the northern path shows a large warm anomaly over Southeast Asia and a cold anomaly over Northeast Asia, which is associated with the northward shift of the jet stream. The southern path shows a cold anomaly over East Asia due to a northwesterly anomaly. The forcing of high frequency eddy on low frequency eddy is estimated in terms of momentum and energy. The reinforcement of high frequency eddy flux on low frequency variation can be observed in northern path, but not in southern path. The energy difference for two paths is also caused by the variations of barotropic and baroclinic conversion. The energy tendency of interaction between two frequency eddies is only responsible for sustention of energy anomaly over southwestern Japan. Springer-Verlag Berlin Heidelberg, 2014 Mobile (short-wave) trough nationallicence Cold waves nationallicence East Asian winter monsoon nationallicence Leung Marco Shenzhen Research Institute, City University of Hong Kong, Shenzhen, China aut Cheung Hoffman Shenzhen Research Institute, City University of Hong Kong, Shenzhen, China aut Zhou Wen Shenzhen Research Institute, City University of Hong Kong, Shenzhen, China aut Climate Dynamics Springer Berlin Heidelberg 44/5-6(2015-03-01), 1611-1626 0930-7575 44:5-6<1611 2015 44 382 https://doi.org/10.1007/s00382-014-2355-6 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s00382-014-2355-6 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Leung Marco Shenzhen Research Institute, City University of Hong Kong, Shenzhen, China aut NATIONALLICENCE 700 1- Cheung Hoffman Shenzhen Research Institute, City University of Hong Kong, Shenzhen, China aut NATIONALLICENCE 700 1- Zhou Wen Shenzhen Research Institute, City University of Hong Kong, Shenzhen, China aut NATIONALLICENCE 773 0- Climate Dynamics Springer Berlin Heidelberg 44/5-6(2015-03-01), 1611-1626 0930-7575 44:5-6<1611 2015 44 382