Seawall definition

Both Del Mar and Oceanside regularly dish out dollars to add sand to their shrinking beaches, in part, some believe, seawall definition, because property owners build sea walls to protect the cliff or property from waves, which means no room for the beach to grow, seawall definition. The city knows all of this but there are no plans yet in place to move people and property away from the shoreline or put stuff in the ocean to try and slow down the onslaught of wave energy, like a sea wallcobblestone or artificial reef. Others will need defenses such as sea walls and flood gates — but those defenses might not be effective for long. Others will need defenses like sea walls and flood gates—but those defenses seawall definition not seawall definition effective for long.

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Seawall definition

A seawall is constructed at the coastline, at the foot of possible cliffs or dunes. A seawall is typically a sloping concrete structure; it can be smooth, stepped-faced or curved-faced. A seawall can also be built as a rubble-mound structure, as a block seawall, steel or wooden structure. The common characteristic is that the structure is designed to withstand severe wave action and storm surge. A rubble-mound revetment often protects the foot of such non-flexible seawalls. A rubble-mound seawall bears a great similarity to a rubble-mound revetment; however a revetment is often used as a supplement to a seawall or as a stand-alone structure at less exposed locations. An exposed dike, which has been strengthened to resist wave action, is sometimes referred to as a seawall. The nearly vertical seawall, which was mainly used in the past, had the unfortunate function of reflecting some of the wave energy, whereby the erosion was aggravated, resulting in accelerated disappearance of the beach. However, all kinds of seawalls involve beach degradation as they are used at locations where the coast is exposed to erosion. The seawall will fix the location of the coastline, but it will not arrest the ongoing erosion in the coastal profile. On the contrary, it will to a varying degree, accelerate the erosion.

It is quite normal that the seawall definition disappears in front of a seawall, and it will most often be necessary, seawall definition, after some years, to strengthen the foot of the seawall with a rubble revetment. Avoiding common mistakes with verb patterns 2 March 06, In this way, the navigability of the channel is improved or, for tidal channels of lagoon areas, a sufficient opening is ensured for an adequate water exchange.

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'seawall. Send us feedback about these examples. Accessed 8 Mar. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! See Definitions and Examples ». Log In.

Forget doing it or forget to do it? Avoiding common mistakes with verb patterns 2. Add to word list Add to word list. Examples of sea wall. An engineer recently warned the city that sections of the mile-long concrete sea wall are on the verge of collapse.

Seawall definition

Forget doing it or forget to do it? Avoiding common mistakes with verb patterns 2. Add to word list Add to word list.

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Premium letter and word squares are the key to getting large Scrabble scores. Retrieved March 30, The construction used Pozzolana concrete which hardens in contact with seawater. He saw what can happen when a sea wall breaks. Effectively minimizes loss of life in extreme events and damage to property caused by erosion. In Kamaishi , 4-metre 13 ft waves surmounted the seawall — the world's largest, erected a few years ago in the city's harbor at a depth of 63 m ft , a length of 2 km 1. A seawall or sea wall is a form of coastal defense constructed where the sea , and associated coastal processes, impact directly upon the landforms of the coast. My word lists. Quiz Italian confusables. These reflect wave energy.

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'seawall.

The choice of coastal defences must be made according to site-specific conditions and primary and secondary goals such as wave protection, road stabilization, space conservation and mooring capabilities. Coastal protection by managed realignment, Titchwell Marsh. In this way, they can cause sediment accumulation at the updrift side and erosion at the downdrift side, due to lack of transported sediments. Implementation Time The simple placement of the material onsite can take short time generally less than 1 year. Build your vocabulary. In , more than 5, feet 1, m of seawall was found to be crumbling in Punta Gorda, Florida. Where sufficient space is available and no conflict with other primary or secondary goals exists, green measures such as beach nourishments and dune restoration are often preferred. Contains Parliamentary information licensed under the Open Parliament Licence v3. Ecological Engineering. John Wiley and Sons Ltd. Consequently, it is very important that the design aspect is properly prioritized, also based on stakeholder consultation. Word lists shared by our community of dictionary fans. Boulders were positioned in an attempt to protect the coastal settlement of Tel Hreiz from sea rise following the last glacial maximum.