caa a22 4500 605474443 CHVBK 20210128100347.0 cr unu---uuuuu 210128e20150601xx s 000 0 eng 10.1007/s00382-014-2217-2 doi (NATIONALLICENCE)springer-10.1007/s00382-014-2217-2 Impact of Mongolian Plateau versus Tibetan Plateau on the westerly jet over North Pacific Ocean [Elektronische Daten] [Zhengguo Shi, Xiaodong Liu, Yimin Liu, Yingying Sha, Tingting Xu] Mountains have long been considered to play an important role in the formation of modern climate. Particularly in the Asia-Pacific sector, the existence of Tibetan Plateau (TP) is believed to maintain the stationary planetary wave patterns and to intensify the westerly jet over North Pacific. However, the potential role of Mongolian Plateau (MP) has often been neglected in these studies. With an atmospheric general circulation model, we show that the MP, despite its smaller size, exerts a great influence on the planetary-scale circulation and the subtropical westerly jet. The MP amplifies the meridional thermal gradient at the mid-upper troposphere and thus strengthens the jet, which is primarily facilitated by its high-latitude location. By blocking westerly winds, the MP forces their northern branch further northward, which allows the southward penetration of cold air at the lee side, and intensifies the East Asian trough. In contrast, the impact of the TP itself is not as large as expected. Hence, one should not simply ascribe all the mountain-induced climate change to the TP uplift, because other smaller topography might be also very important. Springer-Verlag Berlin Heidelberg, 2014 Mongolian Plateau nationallicence Westerly jet nationallicence Stationary planetary wave nationallicence Tibetan Plateau nationallicence Numerical simulation nationallicence Shi Zhengguo State Key Laboratory of Loess Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, 710075, Xi'an, China aut Liu Xiaodong State Key Laboratory of Loess Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, 710075, Xi'an, China aut Liu Yimin State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences, 100029, Beijing, China aut Sha Yingying State Key Laboratory of Loess Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, 710075, Xi'an, China aut Xu Tingting State Key Laboratory of Loess Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, 710075, Xi'an, China aut Climate Dynamics Springer Berlin Heidelberg 44/11-12(2015-06-01), 3067-3076 0930-7575 44:11-12<3067 2015 44 382 https://doi.org/10.1007/s00382-014-2217-2 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/s00382-014-2217-2 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Shi Zhengguo State Key Laboratory of Loess Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, 710075, Xi'an, China aut NATIONALLICENCE 700 1- Liu Xiaodong State Key Laboratory of Loess Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, 710075, Xi'an, China aut NATIONALLICENCE 700 1- Liu Yimin State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences, 100029, Beijing, China aut NATIONALLICENCE 700 1- Sha Yingying State Key Laboratory of Loess Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, 710075, Xi'an, China aut NATIONALLICENCE 700 1- Xu Tingting State Key Laboratory of Loess Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, 710075, Xi'an, China aut NATIONALLICENCE 773 0- Climate Dynamics Springer Berlin Heidelberg 44/11-12(2015-06-01), 3067-3076 0930-7575 44:11-12<3067 2015 44 382