globalchange  > 过去全球变化的重建
DOI: 10.1007/s00382-011-1235-6
Scopus记录号: 2-s2.0-84868149715
论文题名:
The Intra-Seasonal Oscillation and its control of tropical cyclones simulated by high-resolution global atmospheric models
作者: Satoh M.; Oouchi K.; Nasuno T.; Taniguchi H.; Yamada Y.; Tomita H.; Kodama C.; Kinter J.; Achuthavarier D.; Manganello J.; Cash B.; Jung T.; Palmer T.; Wedi N.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2012
卷: 39, 期:2017-09-10
起始页码: 2185
结束页码: 2206
语种: 英语
英文关键词: High-resolution global atmospheric model ; Intra-seasonal oscillation ; Madden-Julian oscillation ; Seamless climate modeling ; Tropical cyclone
英文摘要: Project Athena is an international collaboration testing the efficacy of high-resolution global climate models. We compare results from 7-km mesh experiments of the Nonhydrostatic Icosahedral Atmospheric Model (NICAM) and 10-km mesh experiments of the Integrated Forecast System (IFS), focusing on the Intra-Seasonal Oscillation (ISO) and its relationship with tropical cyclones (TC) among the boreal summer period (21 May-31 Aug) of 8 years (2001-2002, 2004-2009). In the first month of simulation, both models capture the intra-seasonal oscillatory behavior of the Indian monsoon similar to the observed boreal summer ISO in approximately half of the 8-year samples. The IFS simulates the NW-SE-oriented rainband and the westerly location better, while NICAM marginally reproduces mesoscale organized convective systems and better simulates the northward migration of the westerly peak and precipitation, particularly in 2006. The reproducibility of the evolution of MJO depends on the given year; IFS simulates the MJO signal well for 2002, while NICAM simulates it well for 2006. An empirical orthogonal function analysis shows that both models statistically reproduce MJO signals similar to observations, with slightly better phase speed reproduced by NICAM. Stronger TCs are simulated in NICAM than in IFS, and NICAM shows a wind-pressure relation for TCs closer to observations. TC cyclogenesis is active during MJO phases 3 and 4 in NICAM as in observations. The results show the potential of high-resolution global atmospheric models in reproducing some aspects of the relationship between MJO and TCs and the statistical behavior of TCs. © 2011 The Author(s).
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/55097
Appears in Collections:过去全球变化的重建

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作者单位: Atmosphere and Ocean Research Institute, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8568, Japan; Research Institute for Global Change, Japan Agency for Marine-Earth Science and Technology, 3173-25 Showa-machi, Kanazawa-ku, Yokohama-shi, Kanagawa 236-0001, Japan; International Pacific Research Center, SOEST, University of Hawaii at Manoa, Honolulu, HI, United States; Advanced Institute for Computational Science/RIKEN, 7-1-26 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo 650-0047, Japan; Center for Ocean-Land-Atmosphere Studies, Calverton, MD, United States; European Centre for Medium-Range Weather Forecasts, Shinfield Park, Reading RG2 9AX, United Kingdom; Alfred-Wegener-Institute for Polar and Marine Research, P.O. Box 12 01 61, 27515 Bremerhaven, Germany

Recommended Citation:
Satoh M.,Oouchi K.,Nasuno T.,et al. The Intra-Seasonal Oscillation and its control of tropical cyclones simulated by high-resolution global atmospheric models[J]. Climate Dynamics,2012-01-01,39(2017-09-10)
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