首页|Simulated Indonesian Throughflow in Makassar Strait across the SODA3 products
Simulated Indonesian Throughflow in Makassar Strait across the SODA3 products
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The Indonesian Throughflow(ITF),which connects the tropical Pacific and Indian oceans,plays important roles in the inter-ocean water exchange and regional or even global climate variability.The Makassar Strait is the main inflow passage of the ITF,carrying about 77%of the total ITF volume transport.In this study,we analyze the simulated ITF in the Makassar Strait in the Simple Ocean Data Assimilation version 3(SODA3)datasets.A total of nine ensemble members of the SODA3 datasets,of which are driven by different surface forcings and bulk formulas,and with or without data assimilation,are used in this study.The annual mean water transports(i.e.,volume,heat and freshwater)are related to the combination of surface forcing and bulk formula,as well as whether data assimilation is employed.The phases of the seasonal and interannual variability in water transports cross the Makassar Strait,are basically consistent with each other among the SODA3 ensemble members.The interannual variability in Makassar Strait volume and heat transports are significantly correlated with El Niño-Southern Oscillation(ENSO)at time lags of-6 to 7 months.There is no statistically significant correlation between the freshwater transport and the ENSO.The Makassar Strait water transports are not significantly correlated with the Indian Ocean Dipole(IOD),which may attribute to model deficiency in simulating the propagation of semi-annual Kelvin waves from the Indian Ocean to the Makassar Strait.
Indonesian ThroughflowSimple Ocean Data Assimilation(SODA)El Niño-Southern Oscillation(ENSO)Indian Ocean Dipole(IOD)data assimilation
Tengfei Xu、Zexun Wei、Haifeng Zhao、Sheng Guan、Shujiang Li、Guanlin Wang、Fei Teng、Yongchui Zhang、Jing Wang
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First Institute of Oceanography/Key Laboratory of Marine Science and Numerical Modeling,Ministry of Natural Resources,Qingdao 266061,China
Laboratory for Regional Oceanography and Numerical Modeling,Qingdao Marine Science and Technology Center,Qingdao 266237,China
College of Meteorology and Oceanography,National University of Defense Technology,Changsha 410073,China
CAS Key Laboratory of Ocean Circulation and Waves,Center for Ocean Mega-Science,Institute of Oceanology,Chinese Academy of Science,Qingdao 266071,China
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Fund of Laoshan LaboratoryNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaGlobal Change and Air-Sea Interaction II Project
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