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A 1/8A degrees coupled biochemical-physical Indian Ocean Regional Model: Physical results and validation
Huang, Ke; Derada, Sergio; Xue, Huijie; Xiu, Peng; Chai, Fei; Xie, Qiang; Wang, Dongxiao; hxue@maine.edu
2015
Source PublicationOCEAN DYNAMICS
Volume65Issue:8Pages:1121-1142
Subtype1616-7341
AbstractA coupled physical-biochemical Indian Ocean Regional Model (IORM), based on the Navy Coastal Ocean Model (NCOM) and the Carbon Silicate Nitrogen Ecosystem (CoSiNE) model was configured with the primary objective of providing an accurate estimate of the oceanic physical state along with the biochemical processes simulated by CoSiNE to understand the variability in the Indian Ocean (IO). The model did not assimilate any data; instead, weak relaxation of temperature and salinity was implemented to keep the model stable in the long-term simulations. In this study, the skill of the IORM in simulating physical states in the IO was evaluated. Basin-scale surface circulation and cross-sectional transports were compared to observations, which demonstrated that the model replicated most of the observed features with reasonably good accuracy. Consistency and biases in the upper ocean temperature, salinity, and mixed layer depth were also analyzed. Lastly, the seasonality in the IO, its response to monsoonal forcing, and the evolution and dynamics of surface and subsurface dipole events were examined. The IORM reproduced most of the dynamic features including Ekman pumping, wave propagation, and climate variability at both annual and interannual time scales. The internal ocean dynamics and behavior of the modeled sea surface temperature anomaly (SSTA) suggest a coupled ocean/atmosphere instability that will require further research, including sensitivity experiments to realize improvements in model parameterization.
Department[Huang, Ke; Xue, Huijie; Xiu, Peng; Xie, Qiang; Wang, Dongxiao] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China; [Huang, Ke] Grad Univ Chinese Acad Sci, Beijing, Peoples R China; [Derada, Sergio] Stennis Space Ctr, Naval Res Lab, Hancock, MS 39529 USA; [Xue, Huijie; Chai, Fei] Univ Maine, Sch Marine Sci, Orono, ME 04469 USA; [Xie, Qiang] Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Sanya, Hainan, Peoples R China ; LTO
KeywordMonsoon Seasonal And Interannual Variability Indian Ocean Arabian Sea Surface And subSurface Variability Wave Propagation
Subject AreaOceanography
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/15059
Collection热带海洋环境国家重点实验室(LTO)
Corresponding Authorhxue@maine.edu
Recommended Citation
GB/T 7714
Huang, Ke,Derada, Sergio,Xue, Huijie,et al. A 1/8A degrees coupled biochemical-physical Indian Ocean Regional Model: Physical results and validation[J]. OCEAN DYNAMICS,2015,65(8):1121-1142.
APA Huang, Ke.,Derada, Sergio.,Xue, Huijie.,Xiu, Peng.,Chai, Fei.,...&hxue@maine.edu.(2015).A 1/8A degrees coupled biochemical-physical Indian Ocean Regional Model: Physical results and validation.OCEAN DYNAMICS,65(8),1121-1142.
MLA Huang, Ke,et al."A 1/8A degrees coupled biochemical-physical Indian Ocean Regional Model: Physical results and validation".OCEAN DYNAMICS 65.8(2015):1121-1142.
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