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The Southwest Indian Ocean thermocline dome in CMIP5 models: Historical simulation and future projection
Zheng, Xiao-Tong; Gao, Lihui; Li, Gen; Du, Yan; Zheng, XT (reprint author), Ocean Univ China, Key Lab Phys Oceanog, Minist Educ, Qingdao 266100, Peoples R China.; Zheng, XT (reprint author), Ocean Univ China, Key Lab Ocean Atmosphere Interact & Climate Univ, Qingdao 266100, Peoples R China.; Zheng, XT (reprint author), Ocean Univ China, Qingdao Collaborat Innovat Ctr Marine Sci & Techn, Qingdao 266003, Peoples R China.
2016
Source PublicationADVANCES IN ATMOSPHERIC SCIENCES
Volume33Issue:4Pages:489-503
AbstractUsing 20 models of the Coupled Model Intercomparison Project Phase 5 (CMIP5), the simulation of the Southwest Indian Ocean (SWIO) thermocline dome is evaluated and its role in shaping the Indian Ocean Basin (IOB) mode following El NiEeno investigated. In most of the CMIP5 models, due to an easterly wind bias along the equator, the simulated SWIO thermocline is too deep, which could further influence the amplitude of the interannual IOB mode. A model with a shallow (deep) thermocline dome tends to simulate a strong (weak) IOB mode, including key attributes such as the SWIO SST warming, antisymmetric pattern during boreal spring, and second North Indian Ocean warming during boreal summer. Under global warming, the thermocline dome deepens with the easterly wind trend along the equator in most of the models. However, the IOB amplitude does not follow such a change of the SWIO thermocline among the models; rather, it follows future changes in both ENSO forcing and local convection feedback, suggesting a decreasing effect of the deepening SWIO thermocline dome on the change in the IOB mode in the future.
Department[Zheng, Xiao-Tong; Gao, Lihui] Ocean Univ China, Key Lab Phys Oceanog, Minist Educ, Qingdao 266100, Peoples R China; [Zheng, Xiao-Tong; Gao, Lihui] Ocean Univ China, Key Lab Ocean Atmosphere Interact & Climate Univ, Qingdao 266100, Peoples R China; [Zheng, Xiao-Tong] Ocean Univ China, Qingdao Collaborat Innovat Ctr Marine Sci & Techn, Qingdao 266003, Peoples R China; [Li, Gen; Du, Yan] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China ; LTO
KeywordSwio Thermocline Dome Indian Ocean Basin Mode Global Warming Cmip5 Enso
Subject AreaMeteorology & Atmospheric Sciences
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/15552
Collection热带海洋环境国家重点实验室(LTO)
Corresponding AuthorZheng, XT (reprint author), Ocean Univ China, Key Lab Phys Oceanog, Minist Educ, Qingdao 266100, Peoples R China.; Zheng, XT (reprint author), Ocean Univ China, Key Lab Ocean Atmosphere Interact & Climate Univ, Qingdao 266100, Peoples R China.; Zheng, XT (reprint author), Ocean Univ China, Qingdao Collaborat Innovat Ctr Marine Sci & Techn, Qingdao 266003, Peoples R China.
Recommended Citation
GB/T 7714
Zheng, Xiao-Tong,Gao, Lihui,Li, Gen,et al. The Southwest Indian Ocean thermocline dome in CMIP5 models: Historical simulation and future projection[J]. ADVANCES IN ATMOSPHERIC SCIENCES,2016,33(4):489-503.
APA Zheng, Xiao-Tong.,Gao, Lihui.,Li, Gen.,Du, Yan.,Zheng, XT .,...&Zheng, XT .(2016).The Southwest Indian Ocean thermocline dome in CMIP5 models: Historical simulation and future projection.ADVANCES IN ATMOSPHERIC SCIENCES,33(4),489-503.
MLA Zheng, Xiao-Tong,et al."The Southwest Indian Ocean thermocline dome in CMIP5 models: Historical simulation and future projection".ADVANCES IN ATMOSPHERIC SCIENCES 33.4(2016):489-503.
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