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Monthly-mean climatology on wave heights and bottom stress intensities around the Mekong River Delta were estimated by conducting a wave simulation for the period from 1993 to 2006 to obtain fundament...al information on the wave-induced sediment resuspension off the deltaic coast which is considered to have played a key role on the evolution of the delta morphology. It was found that the occurrence of large waves and strong bottom stresses were influenced primarily by the Southeast Asian monsoon climate and the shape of the delta. The seasonal occurrence of the high waves and intense stresses differed between western and eastern side of the delta. They were observed mainly during the southwest monsoon season in the western side, whereas took place quite frequently during the northeast monsoon season in the western side. Intense bottom stresses were observed mostly in coastal areas shallower than 20 m, though they were also found in some locations as deep as 50 m depth when waves having a long fetch approached to the area. These features agreed well with water-color distribution in satellite images.続きを見る
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