《Table 1Beach-facing slope, sediment characteristics, and closure depth (Courtaud 2000;E.O.L.2010)》下

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《法国日安东连岛沙洲沿岸海滩剖面经验平衡（英文）》

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where dl，tis the predicted Dcover t years，referenced to LAT；He，tis the nearshore non-breaking wave height exceeding 12 h per t years，（100/（730×t）%of the time） ；Te，tis the associated wave period；and g is the acceleration due to gravity.In this paper，nearshore wave parameters at a water depth of 6–7 m were extracted from coupled wave and hydrodynamic numerical simulations over a period of 35 years from 1981 to 2015.The values of Dcgenerally ranged from 3 to 4 m（Table 1）but could reach 6–7 m during a limited storm event.In addition to the bathymetric data measured by E.O.L.，the relation between Dcand the beach profile configuration in the study areas was analyzed.Specifically，in Zone 1，Dcappeared about 250 m from the shoreline of the Gapeau and Aygaude beaches.In Zone 2，Dcappeared about 300 m seaward of the shoreline at La Marquise beach，about 340 m seaward of the shoreline from Plein Sud beach，about 280 m seaward of the shoreline from Aéroport beach，and about 170 m seaward of the shoreline from Amont beach.In Zone 3，Dcoccurred 148 m from the shoreline of Bona beach，180 m from the shoreline of Hyères beach，and 200 m from the shoreline of Pesquiers beach；it also occurred about 280 and 380 m，respectively，seaward of the shoreline of the La Capte and La Badine beaches.