Investigating the effects of sea-level rise on morphodynamics in the western Giens tombolo, France

8th International Conference on Environment Science and Engineering

生态环境科学

Vu, M.T.^1,2 ; Lacroix, Y.^1,3 ; Nguyen, V.T.^2

University of Toulon, Avenue G.Pompidou, La Valette du Var

83162, France^1

University of Transport and Communications, Cau Giay, Hanoi

100000, Viet Nam^2

MEMOCS, Università Degli Studi dell'Aquila, Italy^3

关键词: Accelerated sea-level rise;    Coastal flooding;    Coastal regions;    Coupled modeling;    Field measurement;    Morphodynamics;    Sea level rise;    Sediment dynamic;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/167/1/012027/pdf
DOI  :  10.1088/1755-1315/167/1/012027

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

Rising sea level along with the occurrence of greater and more frequent storms would cause not only coastal flooding, but also beach erosion and shoreline retreat problems. The Almanarre beach along the western Giens tombolo is socio-economically and heavily vulnerable to accelerated sea level rise due to its high touristic value and low-lying topography. Therefore, it is necessary to quantify the impacts of sea level rise (SLR) on the morphodynamics in this area, e.g. to evaluate the relationship between the beach erosion and SLR. Coupled hydrodynamic and sediment transport numerical models are used to investigate the changes in current, wave and sediment dynamics when sea level rises. A total of 16 scenarios with and without SLR are simulated. The effectiveness of the coupled model is assessed by comparison of simulated values with available field measurements. The results presented in this work should be useful in the investigation of other coastal regions.