NDLI: Observations of the Karimata Strait througflow from December 2007 to November 2008

Content Provider	Springer Nature Link
Author	Susanto, R. Dwi Wei, Zexun Adi, Rameyo T. Fan, Bin Li, Shujiang Fang, Guohong
Copyright Year	2013
Abstract	In order to quantitatively estimate the volume and property transports between the South China Sea and Indonesian Seas via the Karimata Strait, two trawl-resistant bottom mounts, with ADCPs embedded, were deployed in the strait to measure the velocity profile as part of the South China Sea-Indonesian Seas transport/exchange (SITE) program. A pair of surface and bottom acoustic modems was employed to transfer the measured velocity without recovering the mooring. The advantage and problems of the instruments in this field work are reported and discussed. The field observations confirm the existence of the South China Sea branch of Indonesian throughflow via the Karimata Strait with a stronger southward flow in boreal winter and weaker southward bottom flow in boreal summer, beneath the upper layer northward (reversal) flow. The estimate of the averaged volume, heat and freshwater transports from December 2007 to March 2008 (winter) is (−2.7±1.1)×10$^{6}$ m$^{3}$/s, (−0.30±0.11) PW, (−0.18±0.07)×10$^{6}$ m$^{3}$/s and from May to September 2008 (summer) is (1.2±0.6)×10$^{6}$ m$^{3}$/s, (0.14±0.03) PW, (0.12±0.04)×10$^{6}$ m$^{3}$/s and for the entire record from December 2007 to October 2008 is (−0.5±1.9)×10$^{6}$ m$^{3}$/s, (−0.05±0.22) PW, (−0.01±0.15)×10$^{6}$ m$^{3}$/s (negative/positive represents southward/northward transport), respectively. The existence of southward bottom flow in boreal summer implies that the downward sea surface slope from north to south as found by Fang et al. (2010) for winter is a year-round phenomenon.
Starting Page	1
Ending Page	6
Page Count	6
File Format	PDF
ISSN	0253505X
Journal	Acta Oceanologica Sinica
Volume Number	32
Issue Number	5
e-ISSN	18691099
Language	English
Publisher	The Chinese Society of Oceanography
Publisher Date	2013-05-14
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Karimata Strait transport Indonesian throughflow ADCP measurement acoustic modem Oceanography Climatology Ecology Engineering Fluid Dynamics Marine & Freshwater Sciences Environmental Chemistry
Content Type	Text
Resource Type	Article
Subject	Aquatic Science Oceanography

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