Seasonal variation of water transport through the Karimata Strait

Wang Yan; Xu Tengfei; Li Shujiang; Susanto R. Dwi; Agustiadi Teguh; Trenggono Mukti; Tan Wei; Wei Zexun

doi:10.1007/s13131-018-1224-2

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Article Navigation > Acta Oceanologica Sinica > 2019 > 38(4): 47-57

Wang Yan, Xu Tengfei, Li Shujiang, Susanto R. Dwi, Agustiadi Teguh, Trenggono Mukti, Tan Wei, Wei Zexun. Seasonal variation of water transport through the Karimata Strait[J]. Acta Oceanologica Sinica, 2019, 38(4): 47-57. doi: 10.1007/s13131-018-1224-2

Citation:

Wang Yan, Xu Tengfei, Li Shujiang, Susanto R. Dwi, Agustiadi Teguh, Trenggono Mukti, Tan Wei, Wei Zexun. Seasonal variation of water transport through the Karimata Strait[J]. Acta Oceanologica Sinica, 2019, 38(4): 47-57. doi: 10.1007/s13131-018-1224-2

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Seasonal variation of water transport through the Karimata Strait

doi: 10.1007/s13131-018-1224-2

1.
Key Laboratory of Marine Science and Numerical Modeling, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China;Laboratory for Regional Oceanography and Numerical Modeling, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
2.
Department of Atmospheric and Oceanic Science, University of Maryland, College Park, Maryland 20742, USA;Faculty of Earth Sciences and Technology, Bandung Institute of Technology, Bandung 40116, Indonesia
3.
Agency for Marine & Fisheries Research, Ministry of Marine Affairs and Fisheries, Jakarta 10110, Indonesia
4.
Faculty of Fisheries and Marine Science, Jenderal Soedirman University, Purwokerto 53123, Indonesia

Received Date: 2018-02-12

Abstract

Abstract

Four trawl-resistant bottom mounts, with acoustic Doppler current profilers (ADCPs) embedded, were deployed in the Karimata Strait from November 2008 to June 2015 as part of the South China Sea-Indonesian Seas Transport/Exchange and Impact on Seasonal Fish Migration (SITE) Program, to estimate the volume and property transport between the South China Sea and Indonesian seas via the strait. The observed current data reveal that the volume transport through the Karimata Strait exhibits significant seasonal variation. The winter-averaged (from December to February) transport is -1.99 Sv (1 Sv=1×10⁶ m³/s), while in the boreal summer (from June to August), the average transport is 0.69 Sv. Moreover, the average transport from January 2009 to December 2014 is -0.74 Sv (the positive/negative value indicates northward/southward transport). May and September are the transition period. In May, the currents in the Karimata Strait turn northward, consistent with the local monsoon. In September, the southeasterly trade wind is still present over the strait, driving surface water northward, whereas the bottom flow reverses direction, possibly because of the pressure gradient across the strait from north to south.
- Karimata Strait,
- water transport,
- seasonal variation,
- South China Sea throughflow

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References(33)

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