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  • ...ardening in the US. Front. Ecol. Environ. 13: 301–307</ref>, and coastal structures exist along 9.4% of the coastline in the Great Barrier Reef World Heritage ...ki articles are indicated where a more detailed discussion of hard coastal structures can be found. Large parts of this article are taken from the coastal engine
    15 KB (2,145 words) - 16:46, 27 September 2021
  • #Redirect[[Hard coastal protection structures]]
    47 bytes (5 words) - 18:59, 21 February 2019

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  • ...shore into the sea. [[Groyne]]s are examples of [[hard coastal protection structures]] which aim to [[coastal protection|protect]] the shoreline from [[coastal ...generally designed as a group comprising from a few to tens of individual structures (see [[Groynes as shore protection]]). A scheme of interacting groynes is s
    8 KB (1,248 words) - 17:16, 5 October 2021
  • ...ted to pollution due to the harbour traffic, because the basins constitute structures relatively closed with any or little exchanges with the open sea. *Consequently, by refraction around the work, the coast is attacked hard by the waves downstream it, and there is a greater erosion due to the fact
    7 KB (1,098 words) - 16:44, 5 July 2020
  • ...intenance and lifetime service as well as the rebuilding or dismantling of structures when their lifetime is over. ...oast to reduce the energy attacking the coastline. The term “Low crested Structures” (LCSs) usually designates the most common [[detached breakwater]] types,
    6 KB (878 words) - 20:33, 4 July 2020
  • Growth (vertical and/or horizontal) of morphological structures ([[#Beach|beach]], [[#Bar|bar]], [[#Dune|dune]], [[#Sand bank|sand bank]], # Applying a hard protective layer, a so-called [[armour layer]], on a breakwater or seawall,
    79 KB (11,862 words) - 21:40, 1 April 2024
  • ...esponds to the [[Closure depth|closure depth]] and the landward limit to a hard boundary (seawall, cliff, ..). In the case of a dune coast the active zone ...fast process in case of soft cliffs (till, clay) and very slow in case of hard-rock cliffs. Other examples of ongoing natural erosion are given below.
    14 KB (2,169 words) - 17:21, 26 August 2022
  • ...ic equilibrium. If some parts are highly resistant to erosion (presence of hard outcrops or cliffs, for example), this can take a very long time. However, ==Interference with coastal structures==
    29 KB (4,651 words) - 22:27, 2 July 2022
  • ...any old detached breakwaters in Italy have been transformed into submerged structures. Use of submerged breakwaters began in Italy in the 1980s and resulted in m ...water-level. Floating breakwaters are seldom used as shoreline management structures because they are not suitable for installation in the open sea.
    31 KB (4,715 words) - 23:55, 30 March 2024
  • ...omoting natural dune development requires limiting negative interferences. Structures that obstruct sand supply to the beach by interrupting littoral drift shoul ==Artificial hard dune core==
    9 KB (1,306 words) - 19:25, 1 August 2023
  • ...tion and storm surge, such as flooding. Seawalls are normally very massive structures because they are designed to resist the full force of waves and storm surge [[Image:Seawall structures.jpg|400px|thumb|right|Fig. 1. Examples of seawall structures.]]
    3 KB (523 words) - 13:06, 30 December 2022
  • [[Category:Hard structures]]
    2 KB (355 words) - 12:09, 16 September 2020
  • ...cept is often used in situations where the coastline has been fixed with a hard structure (seawall, revetment), which has accelerated erosion of the natura [[Category:Hard structures]]
    4 KB (628 words) - 18:42, 22 January 2024
  • ...ccur naturally (between to headlands) or artificially (between two coastal structures) and has specific functional characteristics. The [[cove]] concept is simi ...artificial pocket beaches will begin to form by themselves as soon as the structures have been built, however it is recommended to include initial beach fill in
    4 KB (646 words) - 17:40, 18 January 2022
  • ...re two-dimensional in the horizontal plane due to complex bathymetries and structures in the [[nearshore]] zone. ...partially rocky coastlines or along coastlines where coral reefs or other hard reefs are present. Irregular depth contours give rise to irregular wave pat
    14 KB (2,112 words) - 14:00, 20 January 2024
  • ...the coast and can eventually result in loss of natural coastal protection structures such as beaches and marshes (so-called [[coastal squeeze]]<ref> Doody, J.P. ...rotection practices are compared in the articles [[Hard coastal protection structures]] and [[Dealing with coastal erosion]].
    1 KB (169 words) - 17:59, 7 March 2023
  • Sea defence structures are important components that can help create a [[coastal squeeze]]<ref> Do * Different protection measures are described in [[Hard coastal protection structures]].
    1 KB (159 words) - 19:21, 9 February 2019
  • Boundary rips are related to the presence of hard topographic structures (headlands, groynes, jetties) that locally shield the beach from obliquely ...ffshore structures - natural seabed structures or manmade structures. Such structures produce a longshore modulation of wave energy in the breaker zone by shield
    8 KB (1,278 words) - 10:16, 3 July 2022
  • ...erosion, because of sediment retention behind upstream dams, hard coastal structures and/or conversion of mangrove forests to aquacultures <ref> Syvitski, J.P.,
    41 KB (6,164 words) - 16:08, 21 January 2024
  • ...it comes to considering the most appropriate design scenarios for coastal structures. #Minimise the use of hard coastal protection schemes, give high priority to the quality of the natura
    38 KB (5,697 words) - 22:31, 2 July 2022
  • It is recommended to use few large structures instead of many small structures in order to enhance the aesthetic appearance of a segmented breakwater sche ...and groynes can, to some extent, be avoided by optimising the shape of the structures. This is the subject of the next subsection.
    8 KB (1,250 words) - 15:00, 4 October 2021
  • ...e solutions but rather because groynes are widely applied shore protection structures and well suited to explain various basic morphological responses including ...easing littoral drift in the transport. Upper panel: Shoreline without any structures; middle panel: Effect of a single long groyne; bottom panel: Effect of a si
    21 KB (3,352 words) - 17:17, 5 October 2021
  • Piers are rather long structures with a horizontal deck on series of piles extending perpendicular to the co The supporting piles of these structures may have an impact on coastal processes. Especially if the number of piles
    1 KB (217 words) - 16:37, 5 July 2020
  • :[[Hard coastal protection structures]] :[[Ecological enhancement of coastal protection structures]]
    653 bytes (80 words) - 22:35, 4 July 2023
  • ...esulting from [[wave overtopping]] and wave penetration through the porous structures, wave diffraction, run-up and wave breaking. Focusing on overtopping, addit ...e last decades in the numerical modelling of wave interaction with coastal structures to overcome these limitations. Nonlinear Shallow Water (NSW), Boussinesq-ty
    21 KB (3,036 words) - 16:03, 25 February 2023
  • ...ertidal beach. For example to evaluate the morphological impact of coastal structures, to investigate seasonal fluctuations in beach dynamics and [[beach nourish # [[Wave run-up]], to evaluate the stability of coastal structures such as [[seawall|seawalls]], harbour moles and [[revetment|revetments]]
    10 KB (1,502 words) - 21:31, 10 August 2020
  • *presence of hard engineered structures; ...amics of nearshore sandbars, as well as the effects of vegetation and hard structures. The morphodynamic processes include bed load and suspended sediment transp
    42 KB (6,534 words) - 12:05, 15 November 2023
  • ...protect the coast, and are usually cheaper to construct and maintain than hard construction techniques, and may be self-sustaining. However, as indicated
    2 KB (294 words) - 12:49, 8 October 2021
  • '''[[Hard coastal protection structures|Hard measures]]:''' <br/> '''[[Hard coastal protection structures|Hard measures]]:''' <br/>
    29 KB (3,962 words) - 20:24, 18 September 2023
  • ...water-level. Floating breakwaters are seldom used as shoreline protection structures because they are not suitable for installation in the open sea. ...ng position of connections) are primary points of concern for this kind of structures. The wave-induced forces on the connections increase with peak wave period
    16 KB (2,356 words) - 15:28, 30 March 2024
  • ...als able to utilize research based knowledge within existing institutional structures and some lead will be needed from European institutions. '''Special thanks to Stella Maris Vallejo for her hard work and invaluable assistance'''
    31 KB (4,532 words) - 15:32, 6 October 2021
  • ...t|shore nourishments]]. The article considers the construction of built-in structures in artificial dunes and presents experiences from Poland. ...hese additional [[revetment|revetments]] are built as "[[gabions|gabion]]" structures (see Figure 1 and 2). If the revetment is uncovered after a storm, the arti
    4 KB (532 words) - 13:45, 16 February 2024
  • ...of coastal erosion]] provides an overview of the different impacts of hard structures on the structural erosion of a stretch of coast. * [[Hard coastal protection structures]]
    1 KB (151 words) - 16:53, 27 March 2021
  • This article introduces the [[hard coastal protection structures]] seawalls and revetments. The article further explains how and why the app Seawalls or revetments are shore parallel structures at the transition between the low-lying (sandy) beach and the (higher) main
    13 KB (2,089 words) - 20:07, 18 September 2023
  • ...ological niche. Species sharing an ecological niche generally have similar structures in order to achieve the greatest amount of fitness. This refers for example :[[Littoral]] rock and other hard substrata
    11 KB (1,570 words) - 12:30, 4 March 2024
  • ...of cylindrical or cone-shaped netting bags mounted on rings or other rigid structures. It has wings or leaders which guide the fish towards the entrance of the b ...g tools (e.g. beam trawls) can be effectively employed. However, where the hard or uneven nature of the substrata precludes the use of a trawl it is often
    21 KB (3,409 words) - 22:24, 20 August 2020
  • ...isperse their offspring by water. They produce unusually large propagating structures or propagules. The embryo initiates germination on the seed, still attached * A further issue is the clearcutting of mangals for their hard wood. This wood is resistant against termites and therefore an important ex
    42 KB (6,310 words) - 17:09, 21 April 2024
  • ...hrough coastal land claim. This often involves building [[coast protection|structures]] to protect the land and/or infrastructure from erosion and [[Sea defence| The ecological consequences of hard engineering interventions on retreating beaches entails the loss of biodive
    7 KB (1,034 words) - 13:09, 6 March 2022
  • ...ard coastal protection structures]]: Explains the possible impacts of hard structures on the structural erosion of a stretch of coast [[Category:Hard structures]]
    8 KB (1,293 words) - 20:50, 31 March 2021
  • ...f littoral sand transport at Quarteira, Vilamoura Marina and other defence structures; ...defence of Vale do Lobo beach is essentially a soft one, complemented with hard measures over short extensions. The strategy is to maintain the natural bea
    37 KB (5,937 words) - 18:06, 18 January 2022
  • ...ventions|Soft coastal interventions]] and [[:Category:Hard structures|Hard structures]].
    750 bytes (96 words) - 17:28, 3 September 2020
  • [[Category:Hard structures]]
    2 KB (305 words) - 12:17, 16 September 2020
  • ...as sloping structures and are often constructed as permeable rubble mound structures using natural stones or concrete blocks. Rubble mound armoring enhances wav ...consist of sand-filled geotextile fabric bags, mattresses and tubes. Such structures must be protected against UV-light to avoid weathering of the fabric. Sand-
    6 KB (972 words) - 23:01, 26 March 2024
  • ...d the dynamic coastal landscape. Coastal protection often consists of hard structures such as revetments, [[#Breakwater|breakwaters]] or [[#Groyne|groynes]].}} * [[Hard coastal protection structures]]
    2 KB (249 words) - 18:20, 7 March 2023
  • ...trate: the [[Sandy Shores|soft-bottom communities]] and the [[Rocky Shores|hard-bottom communities]] * [[Rocky Shores|Hard-bottom communities]] occur in areas with strong currents. Because of the st
    11 KB (1,602 words) - 18:32, 22 February 2021
  • ...ourage the development of a specialized associated community. Loss of such structures will also affect the survivorship of any associated species and prolong the A particular sensitive hard-bottom habitat are the deep-water coral communities of the ''Lophelia pert
    33 KB (4,853 words) - 13:29, 1 February 2024
  • ...t corals that live in shallow, cold waters. Corals are wave resistant rock structures, created by calcium carbonate secreting animals and plants. Coral reefs pro ...begins when free-swimming coral larvae attach to submerged rocks or other hard substrate along the edges of islands or continents. The reef expands and wi
    27 KB (4,098 words) - 22:25, 5 April 2024
  • *tourist developments such as piers and other structures have been built directly on top of [[coral reefs]]; ...n of [[sediments]] to the maintenance of the beaches and foreshores. It is hard to find a unique solution for all those problems. However, the following p
    26 KB (3,689 words) - 17:28, 5 May 2023
  • ==Hard measures== * [[Hard coastal protection structures]]
    1 KB (121 words) - 12:22, 20 February 2024
  • ...s, breaking natural distribution boundaries and interfering with community structures. The unwanted hitchhikers are usually either well-hidden or too small to be ...lnerable to stochastic threats such as demographic or genetic drift. It is hard to predict what is the minimum viable population size. A generally accepted
    27 KB (3,914 words) - 12:54, 21 February 2024
  • ...tion = Rehabilitation is the repair and replacement of essential ecosystem structures and functions in the context of ecoregional attainability in order to achie ...re-estuarisation. Longitudinally, the building of hard riparian protection structures, dykes and training walls has dislocated hydro-systems and limited access o
    23 KB (3,205 words) - 17:00, 2 March 2023
  • ...second principle can be sum up with the slogan “soft wherever possible, hard only where necessary” (MinVenW, 2005). ...role. Thereby, flood safety is understand as to maintain flood protection structures and legislative safety standards, whereas erosion management constitutes to
    7 KB (1,104 words) - 22:27, 6 September 2020

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