Monthly Water Exchange through the Ryukyu Islands Revealed by Salinity Structural Changes

Abstract:

Using salinity database of World Ocean Atlas 2009 (WOA09) issued by NOAA in 2010, refer the range of high-salinity tongue to indicate the strength about high-salinity water, from the perspective of structural changes of salinity; the water exchange through Ryukyu Islands upper 500 m have been analyzed, the results show that: due to Ryukyu Trough, currents on both sides of Ryukyu Islands occur exchange, for upper 500 m, high-salinity water in east of the Ryukyu Islands mainly invade the west waterthe Kuroshio in East China Sea; the intrusion strength is powerful from the depth of 100 m to 200 m, and the 150 m layer is the core layer of high-salinity water intrusion; the high-salinity water at the east of Ryukyu Islands invades the Kuroshio are stronger in March, May, June, September, October and November, are weaker in April and December.

• Periodical: Advanced Materials Research (Volumes 864-867)
• Pages: 2335-2339
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.864-867.2335
• Online since: December 2013
• Authors: Ya Pan Liu, Jian Cheng Kang*, Jiong Zhu, Qin Chen Han
• Keywords: High-Salinity Tongue, Kuroshio, Monthly Changes, Ryukyu Islands

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