TY - JOUR AU - Xuan, Nguyen Ba AU - Chung, Tran Van PY - 2007/06/29 Y2 - 2024/03/29 TI - CALCULATION OF THE AMPLITUDE AND POWER SPECTRUM OF INTERNAL WAVE IN THE SOUTH-EAST SEA REGION OF VIETNAM JF - Vietnam Journal of Marine Science and Technology JA - VJMST VL - 7 IS - 2 SE - Articles DO - 10.15625/1859-3097/7/2/6332 UR - https://vjs.ac.vn/index.php/jmst/article/view/6332 SP - AB - In this paper some indirect calculations of the amplitude and power spectrum of internal wave are presented  on basis of using the continuous temperature data measured at 2 moorings stations in the South-East sea  region of Vietnam. The calculated results show that: In the shallow continental shelf region during the  South-West monsoon, at the depths of 12 - 38 m, the average amplitude of internal wave has the values of 5 -  10 m; Whereas in the more deeper region during North-East monsoon, at the depths of 10 - 60 m, 70 - 220 m and 230 - 600 m, the average amplitude of internal wave has the values of 20 - 80 m,  1 - 5 m and  8 - 15 m  respectively; By using the power spectrum analysis of internal wave show that: The power spectrum of internal wave in the shallow continental region is less than of about 20 times in comparison with the deeper  region; The power spectrum of internal wave in the South-East sea region of Vietnam is complicated and  formed mainly by waves having periods of 3 - 24 hours, among them, the wave components with periods of  12 and 24 hours are dominance. The waves with period smaller than 3 hours are very small power. ER -