SCSIO OpenIR  > 热带海洋环境国家重点实验室(LTO)
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
Source PublicationJOURNAL OF OCEANOGRAPHY
Volume73Issue:2Pages:193-203
AbstractUsing 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.
Department[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
KeywordEddy Heat Transport Heat Budget Western Pacific Warm Pool Enso Heat Content
Funding ProjectLTO
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/16440
Collection热带海洋环境国家重点实验室(LTO)
Corresponding Authorduyan@scsio.ac.cn
Recommended Citation
GB/T 7714
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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