Heat budget of the western Pacific warm pool and the contribution of eddy heat transport diagnosed from HYCOM assimilation
Chi, J; Shi, P; Zhuang, W; Lin, X; Cheng, X; Du, Y; duyan@scsio.ac.cn
2017
发表期刊JOURNAL OF OCEANOGRAPHY
卷号73期号:2页码:193-203
摘要Using the high-resolution Hybrid Coordinate Ocean Model and the Navy Coupled Ocean Data Assimilation Global 1/12A degrees Analysis (GLBa0.08), and the Objectively Analyzed Air-Sea Fluxes and the International Satellite Climatology Cloud Project products, we investigated the seasonal and interannual evolutions of heat budget, including the pseudo-heat content change, the net air-sea heat flux and the eddy heat transport (EHT), based on the time-dependent heat budget analysis in the western Pacific warm pool (WPWP). The results show that the pseudo-heat content change has significant semi-annual variation, which peaks in April-May and September. There is strong positive feedback between EHT and the net air-sea heat flux. EHT is important in balancing the sea surface heat flux into the WPWP. The seasonal EHT variability is dominated by its meridional component. On the interannual time scale, the zonal and vertical components of EHT show comparable amplitudes with the meridional one. The observed net air-sea heat flux in the WPWP is highly correlated with EHT and the pseudo-heat content change on the interannual time scale. The net air-sea heat flux leads the pseudo-heat content change by about half a month and leads EHT by about one month. The variations of the air-sea heat flux and EHT are connected to the El Nio Southern Oscillation events: during the development of El Nio (La Nia) events, the warm pool expanded eastward (retreated westward), the net air-sea surface flux into the WPWP increased (decreased) and EHT enhanced (weakened) significantly.
部门归属[Chi, J.; Shi, P.; Zhuang, W.; Cheng, X.; Du, Yan] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, 164 West Xingang Rd, Guangzhou 510301, Guangdong, Peoples R China; [Chi, J.] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Lin, X.] Ocean Univ China, Key Lab Phys Oceanog, Minist Educ, Qingdao 266003, Peoples R China
关键词Eddy Heat Transport Heat Budget Western Pacific Warm Pool Enso Heat Content
资助项目LTO
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/16440
专题热带海洋环境国家重点实验室(LTO)
通讯作者duyan@scsio.ac.cn
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Chi, J,Shi, P,Zhuang, W,et al. Heat budget of the western Pacific warm pool and the contribution of eddy heat transport diagnosed from HYCOM assimilation[J]. JOURNAL OF OCEANOGRAPHY,2017,73(2):193-203.
APA Chi, J.,Shi, P.,Zhuang, W.,Lin, X.,Cheng, X.,...&duyan@scsio.ac.cn.(2017).Heat budget of the western Pacific warm pool and the contribution of eddy heat transport diagnosed from HYCOM assimilation.JOURNAL OF OCEANOGRAPHY,73(2),193-203.
MLA Chi, J,et al."Heat budget of the western Pacific warm pool and the contribution of eddy heat transport diagnosed from HYCOM assimilation".JOURNAL OF OCEANOGRAPHY 73.2(2017):193-203.
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