globalchange  > 气候变化事实与影响
DOI: 10.1175/JCLI-D-15-0696.1
Scopus记录号: 2-s2.0-84974851839
论文题名:
Boreal summer synoptic-scale waves over the western North Pacific in multimodel simulations
作者: Zhao H.; Jiang X.; Wu L.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2016
卷: 29, 期:12
起始页码: 4487
结束页码: 4508
语种: 英语
Scopus关键词: Climate change ; Climatology ; Kinetic energy ; Kinetics ; Plasma diagnostics ; Potential energy ; Climate variability ; General circulation model ; Madden-Julian oscillation ; Multi-Model Simulations ; Realistic simulation ; Tropical variability ; Variability ; Western North Pacific ; Climate models ; atmospheric wave ; climate modeling ; climate variation ; computer simulation ; summer ; synoptic meteorology ; tropical environment ; Pacific Ocean ; Pacific Ocean (North)
英文摘要: During boreal summer, vigorous synoptic-scale wave (SSW) activity, often evident as southeast-northwest-oriented wave trains, prevails over the western North Pacific (WNP). In spite of their active role for regional weather and climate, modeling studies on SSWs are rather limited. In this study, a comprehensive survey on climate model capability in representing the WNP SSWs is conducted by analyzing simulations from 27 recent general circulation models (GCMs). Results suggest that it is challenging for GCMs to realistically represent the observed SSWs. Only 2 models out of the 27 GCMs generally well simulate both the intensity and spatial pattern of the observed SSW mode. Plausible key processes for realistic simulations of SSW activity are further explored. It is illustrated that GCM skill in representing the spatial pattern of the SSW is highly correlated to its skill in simulating the summer mean patterns of the low-level convergence associated with the WNP monsoon trough and conversion from eddy available potential energy (EAPE) to eddy kinetic energy (EKE). Meanwhile, simulated SSW intensity is found to be significantly correlated to the amplitude of 850-hPa vorticity, divergence, and conversion from EAPE to EKE over the WNP. The observed modulations of SSW activity by the Madden-Julian oscillation are able to be captured in several model simulations. © 2016 American Meteorological Society.
资助项目: NOAA, National Oceanic and Atmospheric Administration ; NSFC, National Natural Science Foundation of China ; NSFC, National Natural Science Foundation of China
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/49927
Appears in Collections:气候变化事实与影响

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作者单位: Key Laboratory of Meteorological Disaster, Ministry of Education (KLME), Nanjing University of Information Science and Technology, Nanjing, China; Joint International Research Laboratory of Climate and Environment Change (ILCEC), Nanjing University of Information Science and Technology, Nanjing, China; Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science and Technology, Nanjing, China; Pacific Typhoon Research Center, Nanjing University of Information Science and Technology, Nanjing, China; Earth System Modeling Center, Nanjing University of Information Science and Technology, Nanjing, China; Joint Institute for Regional Earth System Science and Engineering, University of California, Los Angeles, Los Angeles, CA, United States; Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States; Pacific Typhoon Research Center, Key Laboratory of Meteorological Disaster of Ministry of Education, Nanjing University of Information Science and Technology, Nanjing, China

Recommended Citation:
Zhao H.,Jiang X.,Wu L.. Boreal summer synoptic-scale waves over the western North Pacific in multimodel simulations[J]. Journal of Climate,2016-01-01,29(12)
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