Pyrex Journal of Research in Environmental Studies (PJRES)

March 2016 Vol. 3(3), pp. 033-041

Copyright 2016 Pyrex Journals

Full Length Research Paper

Long-term characterization of sea conditions in the South China Sea

Osinowo Adekunle Ayodotun1*, Xiaopei Lin1, Zhao Dongliang1and Wang Zhifeng2

1College of Physical and Environmental Oceanography, Ocean University of China , Qingdao, 266100 , China.
2College of Engineering, Ocean University of China, Qingdao, 266100, China.

Corresponding Author E-mail:

Accepted 24th March, 2016


Wave simulation was conducted for a 30 year (1976-2005) period over some fourteen major locations in the South China Sea (SCS) using the wave model WAVEWATCH III. Comparisons of significant wave height (SWH) between simulation and Topex/Poseidon altimeter data showed good agreement. Based on the SWH data obtained over the above locations, a subsequent characterization of the sea states over the main regions of the SCS which are the northern, central and southern SCS was carried out. Results in all seasons showed that in the northern SCS, the slight sea state (0.5≤hs≤1.25) has the highest frequency of occurrence. The smooth (wavelets) sea state (0.1≤hs≤0.5) prevailed in the southern SCS while both the moderate (1.25≤hs≤2.5) and slight sea states prevailed in the central SCS.

Keywords: Significant wave height; South China Sea, Simulation, WAVEWATCH III (WW3); Sea state

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