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Land reclamation

August 11, 2019


for the sense of restoration seal and restoration for sites for the disposal of waste material see landfill land reclamation usually known reclamation and also known as landfill is the process of creating new land from ocean river beds or lake beds the land reclaimed is known as reclamation ground or landfill in a number of other jurisdictions including parts of the United States the term reclamation can refer to returning disturbed lands to an improved state in Alberta Canada for example reclamation is defined by the provincial government as the process of reconverting disturbed land to its former or other productive uses in a senior it is frequently referred to as land rehabilitation land reclamation can be achieved with a number of different methods the most simple method involves simply filling the area with large amounts of heavy rock and/or cement then filling with clay and dirt and roll the desired height is reached the process is called in filling and the material used to fill the space is generically called infill draining of submerged wetlands is often used to reclaim land for agricultural use deep cement mixing is used typically in situation in which the material displaced by either dredging or draining may be contaminated and hence needs to be contained the entire East Coast Park in Singapore was built on reclaimed land with a man-made Beach the flavour border in the Netherlands were reclaimed from the edge sole Mir is the largest reclaimed artificial island in the world the creation of new land was for the need of human activities one of the earliest large-scale projects was the beamster polder in the netherlands realised in 1612 adding 70 square kilometres of land in Hong Kong the prior reclamation scheme added 20 to 24 hectares of land in 1890 during the second phase of construction it was one of the most ambitious projects ever taken during the colonial Hong Kong era some 20% of land in the tokyo bay area has been reclaimed most notably a day brought official island LaPorta monaco and Gibraltar are also expanding due to land reclamation the city of Rio de Janeiro was largely built on reclaimed land as was Wellington New Zealand artificial islands are an example of land reclamation creating an artificial island is an expensive and risky undertaking it is often considered in places with high population density and a scarcity of flat land Kansai International Airport and Hong Kong International Airport are examples where this process was deemed necessary the palm islands the world and hotel Burj Al Arab offed by in the United Arab Emirates are other examples of artificial islands as well as the flava border in the Netherlands which is the largest artificial island in the world agriculture was a drive for land reclamation before industrialization in south china farmers reclaimed paddy fields by enclosing an area with a stone wall on the seashore near river mouth or river delta the species of rice that grow on these grounds are more salt tolerant another use of such enclosed land is creation of fish ponds it is commonly seen on the Po River Delta and Hong Kong these reclamation also attracts species of migrating birds are related practices the draining of swampy or seasonally submerged wetlands to convert them to farmland while this does not create new land exactly it allows commercially productive use of land that would otherwise be restricted to wildlife habitat it is also an important method of mosquito control even in the post-industrial age there have been land reclamation projects intended for an increasing available agricultural land for example the village of a garter in Akita Japan was established on land reclaimed from Lake Akira garter starting in 1957 by 1977 the amount of Landry clay total one hundred and seventy two point zero three square kilometers beach rebuilding now is the process of repairing beaches using materials such as sand or mud from England this can be used to build up beaches suffering from Beach starvation or erosion from longshore drift it stops the movement of the original beach material through a longshore drift and retains a natural look to the beach although it is not a long lasting solution it is cheap compared to other types of coastal defenses

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