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Tuyển Tập Nghiên Cứu Biển - Collection of Marine Research Works (Full-text) >

Please use this identifier to cite or link to this item: http://tvhdh.vnio.org.vn:8080/xmlui/handle/123456789/19016

Title: Some behaviors of strongest short-term coastal change induced by cross-shore wave energy flow and corresponding theoretical consideration [Một số biểu hiện biến đổi bờ mạnh và cấp thời, hậu quả của dòng năng lượng sóng trực giao và lý thuyết tương ứng]
Authors: Bui, Hong Long
Le, Dinh Mau
Keywords: Cai estuary
Dai estuary
Phan thiet bay
wave field
erosion
deposition
cửa sông Cái
vịnh Nha Trang
vịnh Phan Thiết
cửa Đại
Hội An
xói lở
bồi tụ
trường sóng
Issue Date: 2000
Series/Report no.: Collection of Marine Research Works [Tuyển Tập Nghiên Cứu Biển]; Vol. 10: pp. 21-33; Science and Technique Publishing House; 2000;
Abstract: Based on the hydrodynamic model and Shore Protection Manual (CERC - USA) we have calculated wave field characteristics in the typical wind conditions (wind velocity equal to 13m/s in the high frequency direction of the wind regime). Comparison between measured and calculated wave parameters was presented and these results were corresponded to each other. The following main wave characteristics were calculated: -Pattern of the refraction wave field. -Average wave height field. -Longshore current velocity field in surf zone. From distribution features of wave field characteristics in research areas, it could be summarized as following: - The formation of wave fields in the research areas was unequal because of their local difference of hydrometeorological conditions, river discharge, bottom relief… - At Cuadai (Dai mouth, Hoian) area in the N direction of incident wave field, wave has caused serious variation of the coastline. The coastline in the whole region, especially, at the south of the mouth was eroded and the foreland in the north of the mouth was deposited. - At Cai river mouth (Nhatrang) area in the E direction of incident wave field, wave has effected strongly and directly to the inshore and channel structure. - At Phanthiet bay area in the SW direction of incident wave field, wave has effected strongly to the whole shoreline from Da point to Ne point and caused serious erosion.
URI: http://113.160.249.209:8080/xmlui/handle/123456789/19016
ISSN: 1859 - 2120
Appears in Collections:Tuyển Tập Nghiên Cứu Biển - Collection of Marine Research Works (Full-text)

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