NDLI: Indian Ocean Subtropical Mode Water : its water characteristics and spatial distribution

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Indian Ocean Subtropical Mode Water : its water characteristics and spatial distribution

Content Provider	Semantic Scholar
Author	Tsubouchi, Takamasa Suga, Toshio Hanawa, Kazuo
Copyright Year	2010
Abstract	We have improved a basic description (water characteristics and spatial distribution) of the Indian Ocean Subtropical Mode Water (IOSTMW) using an isopycnally averaged three-dimensional hydrographic dataset. Two mode waters and corresponding wintertime mixed layer depth maxima were observed north of the subtropical front (STF) in the South Indian Ocean: IOSTMW (within 25.8–26.2 σθ ) in the region of 28–45 E and another subtropical mode water in the subtropical gyre (within 26.4–26.7 σθ ) in the 60–80 E longitudinal band. Through careful examination of the spatial distribution and water characteristics of a core in the layer of minimum vertical temperature gradient (LMVTG), we identified that a mass of LMVTG corresponds to IOSTMW. The average water characteristics of the IOSTMW during approximately 1960–2004 were 16.54 ± 0.49C, 35.51± 0.04 psu and 26.0± 0.1σθ . The IOSTMW distribution area was estimated to be 25–50 ◦ E, 27–38 S. The formation region and approximate water characteristics of the second subtropical mode water were also estimated. Its probable formation region was 37–42 ◦ S, 60–80 E and north of the STF, with approximate water characteristics of 12.84 ± 0.57C, 35.17± 0.11 psu and 26.57 ± 0.04σθ .
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://www.ocean-sci.net/6/41/2010/os-6-41-2010.pdf
Language	English
Access Restriction	Open
Subject Keyword	Approximation algorithm Gradient Maxima Power supply unit (computer) Probability Silo (dataset) Trichechus manatus Water 1000 MG/ML Injectable Solution
Content Type	Text
Resource Type	Article

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