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学科主题: Meteorology & Atmospheric Sciences
题名: Indian Ocean variability in the CMIP5 multi-model ensemble: the zonal dipole mode
作者: Liu, L ; Xie, SP ; Zheng, XT ; Li, T ; Du, Y ; Huang, G ; Yu, WD
通讯作者: liul@fio.org.cn
关键词: Indian Ocean Dipole zonal model ; CMIP3 ; CMIP5 ; Interannual variability ; Bjerknes feedback ; Thermodynamic feedback
刊名: CLIMATE DYNAMICS
发表日期: 2014
卷: 43, 期:41765, 页:1715-1730
收录类别: sci
部门归属: [Liu, Lin ; Yu, Wei-Dong] State Ocean Adm SOA, Inst Oceanog 1, Ctr Ocean & Climate Res, Qingdao 266061, Peoples R China ; [Xie, Shang-Ping] Univ Calif San Diego, Scripps Inst Oceanog, San Diego, CA 92103 USA ; [Xie, Shang-Ping ; Zheng, Xiao-Tong] Ocean Univ China, Phys Oceanog Lab, Qingdao, Peoples R China ; [Li, Tim] Univ Hawaii Manoa, Int Pacific Res Ctr, Honolulu, HI 96822 USA ; [Li, Tim] Univ Hawaii Manoa, Dept Meteorol, Honolulu, HI 96822 USA ; [Du, Yan] Chinese Acad Sci, State Key Lab Trop Oceanog, South China Sea Inst Oceanol, Guangzhou, Guangdong, Peoples R China ; [Huang, Gang] Chinese Acad Sci, Inst Atmospher Phys, Key Lab Reg Climate Environm Res Temperate East A, Beijing, Peoples R China ; [Huang, Gang] Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteoro, Nanjing, Jiangsu, Peoples R China
项目归属: LTO
资助者: Chinese National Basic Research Program grants [2010CB950304, 2012CB955601, ARCP2013-27NSY]; Natural Science Foundation of China [41376037, 41306030, 41106010]
摘要: The performance of 21 Coupled Model Intercomparison Project Phase 5 (CMIP5) models in the simulation of the Indian Ocean Dipole (IOD) mode is evaluated. Compared to CMIP3, CMIP5 models exhibit a similar spread in IOD intensity. A detailed diagnosis was carried out to understand whether CMIP5 models have shown improvement in their representation of the important dynamical and thermodynamical feedbacks in the tropical Indian Ocean. These include the Bjerknes dynamic air-sea feedback, which includes the equatorial zonal wind response to sea surface temperature (SST) anomaly, the thermocline response to equatorial zonal wind forcing, the ocean subsurface temperature response to the thermocline variations, and the thermodynamic air-sea coupling that includes the wind-evaporation-SST and cloud-radiation-SST feedback. Compared to CMIP3, the CMIP5 ensemble produces a more realistic positive wind-evaporation-SST feedback during the IOD developing phase, while the simulation of Bjerknes dynamic feedback is more unrealistic especially with regard to the wind response to SST forcing and the thermocline response to surface wind forcing. The overall CMIP5 performance in the IOD simulation does not show remarkable improvements compared to CMIP3. It is further noted that the El Nio-Southern Oscillation (ENSO) and IOD amplitudes are closely related, if a model generates a strong ENSO, it is likely that this model also simulates a strong IOD.
原文出处: 查看原文
WOS记录号: WOS:000341369700035
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10509
Appears in Collections:热带海洋环境国家重点实验室(LTO)_期刊论文

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Recommended Citation:
Liu, L; Xie, SP; Zheng, XT; Li, T; Du, Y; Huang, G; Yu, WD.Indian Ocean variability in the CMIP5 multi-model ensemble: the zonal dipole mode,CLIMATE DYNAMICS,2014,43(41765):1715-1730
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