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Land claim creates new land from areas that were previously below high tide. If it is designed with consideration of potential climate change impacts, measures can be taken to reduce the exposure of these areas to coastal erosion and flooding.
Land claim can be considered an aggressive form of coastal protection that may more accurately be termed ‘attack’ or ‘advance the line’ according to shoreline management typology. It is typically undertaken to gain land for agricultural or development purposes, and is particularly common in coastal cities such as Singapore and Hong Kong where land values are very high, therefore justifying the costs.