Beach Nourishment and Dune Protection

Dette, Hans H.; Raudkivi, Arved J.

doi:10.1061/9780784400890.140

Cited by 5 publications

(5 citation statements)

References 2 publications

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“…90 to 95 % of all storm-tides. The dune is protected by built-in geotextile membranes (Dette & Raudkivi, 1994). The membranes are covered with sand and planted.…”

Section: Resultsmentioning

confidence: 99%

Beach and Storm-Tide Protection on the Coast of the Baltic Sea

Dette¹,

Raudkivi²

2003

Coastal Engineering 2002

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“…90 to 95 % of all storm-tides. The dune is protected by built-in geotextile membranes (Dette & Raudkivi, 1994). The membranes are covered with sand and planted.…”

Section: Resultsmentioning

confidence: 99%

Beach and Storm-Tide Protection on the Coast of the Baltic Sea

Dette¹,

Raudkivi²

2003

Coastal Engineering 2002

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“…Dunes can be built around an erosion resistant core, such as clay, geotextile fabric or gabions (d'Angremond et al 1992;Dette & Raudkivi 1994;Headland 1992;Headland et al 2007). These cores serve as backup protection where sediment supply or space is too limited to offer protection during a severe storm or series of storms, but this alternative could also be used to ensure a minimum level of protection for dunes designed with surfaces expected to evolve naturally.…”

Section: Accommodating Dynamism In Shore Protection Designsmentioning

confidence: 99%

Enhancing geomorphic and biologic functions and values on backshores and dunes of developed shores: a review of opportunities and constraints

et al. 2011

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SUMMARYThis article identifies ways to overcome impediments to restoring natural features on developed shores where human-use functions are the dominant driving forces. Suggestions are made for (1) incorporating natural features and natural dynamism into beach nourishment projects; (2) addressing constraints in size and space; (3) reducing the impact of human actions and elements in the landscape; (4) integrating endangered species programmes; (5) overcoming impediments to implementing restoration projects; (6) conducting post-construction evaluations and actions; (7) obtaining public support; and (8) addressing regulatory issues. Beach nourishment projects can better mimic natural landforms, while protecting infrastructure and habitat, creating space for dunes, and providing sediment for dune building. Dunes can have more value as habitat if sub-environments representative of natural gradients are accommodated. Greater human effort will be required to maintain both dynamic and stable zones for habitat, and these zones may be restricted to smaller scales. Controls can be placed on human actions, such as raking the beach, driving on the beach, walking through the dune, emplacing more structures than necessary and introducing exotic vegetation for landscaping. Regulatory restrictions that now prevent environmentally friendly actions can be eased, and adaptive management and education programmes can be implemented.

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“…Several characteristics, including ratio of design nourishment volume and required volume to compensate annual erosion volume in active zone before nourishment and after nourishment, were analyzed in his evaluation. Leo C. van Rijn, 1998 summarized the sand nourishment characteristics under micro and meso-tidal conditions in great detail from five projects (Delft Hydr., 1987;Dette & Raudkivi, 1994;Mφller, 1990;Rijksw, 1996;Work & Dean, 1991). From his result, it shows that beach nourishment can be mostly utilized on coastal areas of low or moderate wave energy with micro-tidal condition.…”

Section: Beach Nourishmentmentioning

confidence: 99%