วรชาติ วรรณวงษ์. A Study of Typhoon Wind-Wave Characteristics in the South China Sea by Numerical Oceanic Models. Doctoral Degree(Mathematics). King Mongkut's University of Technology Thonburi. KMUTT Library.. : King Mongkut's University of Technology Thonburi, 2010.
A Study of Typhoon Wind-Wave Characteristics in the South China Sea by Numerical Oceanic Models
Abstract:
The characteristics of hurricane wind generated-ocean wave in the western Atlantic Ocean
and the eastern Pacific Ocean have been investigated continuously. However, typhoons
generated in the regional seas of the western Pacific Ocean particularly the South China
Sea (SCS) and the Gulf of Thailand (GoT) have not been studied intensively. Therefore,
the characteristics of typhoon wind generated-ocean wave entering the SCS and GoT are
studied in this thesis by the WAve Model Cycle 4 (WAMC4). Three important typhoons:
Linda 1997, Muifa 2004 and Durian 2006 are selected in order to study their characteristics
in this research. The short waves described by the significant wave height (Hs) are studied
by the WAMC4 model. It is found that the waves are influenced by wind forcing. Not
only the short waves are studied, but the storm surges which are the long waves are
also investigated in this thesis. The storm surges described by the sea surface elevations,
including the characteristics of current are studied by the Princeton Ocean Model (POM).
The results of this research namely the characteristics of Typhoon Linda, M uifa and Durian
can be distinctly explained by waves, storm surges and currents. The results revealed that
Typhoon Linda is the only one affecting Thailand, while Typhoon Muifa and Durian
weakened when they approached the SCS and GoT resulting in decreasing the intensities
of wave, storm surge and current.