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VNUHCM Journal of

Engineering and Technology

An official journal of Viet Nam National University Ho Chi Minh City, Viet Nam since 2018

ISSN: 3126-2805
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Empirical shoreline evolution modeling for Nha Trang beach

Yen Hai Tran 1, 2, *
Eric Barthélemy 3
Patrick Marchesielo 4
Rafael Almar 5
Ho Tuan Duc 1, 2, 6
Nguyen Thong 1, 2
Duong Hai Thuan 7

  1. Faculty of Civil Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Vietnam
  2. Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam
  3. Univ. Grenoble Alpes, CNRS, Grenoble INP, LEGI, 38000, Grenoble, France
  4. IRD/LEGOS, 14 av. Edouard Belin, 31400 Toulouse, France
  6. Asian Centre for Water Research, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Vietnam
  7. Faculty of Civil Engineering, Thuyloi University, Hanoi, Vietnam
Correspondence to: Yen Hai Tran, Faculty of Civil Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Vietnam; Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam. Email: [email protected].
Volume & Issue: Vol. 4 No. SI1 (2021): Special Issue: THE 2ND INTERNATIONAL CONFERENCE ON ENVIRONMENT, RESOURCES AND EARTH SCIENCES (ICERES 2021) | Page No.: SI43-SI51 | DOI: 10.32508/stdjet.v4iSI1.896
Published: 2021-12-26

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Copyright © 2021 by the author(s).

This article is published with open access by Viet Nam National University, Ho Chi Minh City, Viet Nam. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. 

Abstract

Empirical data-driven models are increasingly being used to simulate shoreline evolution over time scales ranging from days to decades. For the empirical shoreline evolution modeling, the combined longshore and cross-shore modeling demonstrate the ability to improve the prediction skills for shoreline changes. This study focuses on the feasibility of the combined model with a case study of the embayed beach shoreline of Nha Trang, Vietnam. Nha Trang’s climate is dominated by the tropical monsoon climate, so the beach changes here are strongly affected by this typical climate. The combined model applied in this study is a coupling of the cross-shore model and a longshore model. The combined model can provide the seasonal shoreline position fluctuations induced by the longshore contribution. Besides, it is realized that the very mild waves in summer induce strong accretion which the model cannot simulate. Therefore, a small modification of the equilibrium Dean number (Ω0) in the ShoreFor cross-shore model is suggested to improve the accretion simulation.

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