by Ganesh Sahathevan
As previously reported, Singapore's proposed Long Island will be built on the " semi-soft " part of the island (see story below). It has also been reported that Singapore is likely to suffer the consequences of rising groundwater. That rising groundwater may destabilize Long Island and the freshwater catchment that the SIngapore Government proposes to create between Long Island and the present seashore.
A gravity map of the area reveals how much of the East Coast has been infilled (or reclaimed) and built on. The darker areas to the top left is part of the mainland,. The "black " areas in the bottom areas and to the right represent areas where no data is not available. Deeper waters is a likely reason. In between are greyish areas,and it does seem as if Long Island is meant to be anchored between two grey or semi-soft areas.
Wednesday, November 29, 2023
Singapore's proposed Long Island-More infilling of the sea in a "semi-soft" area
by Ganesh Sahathevan
Singapore's Urban Redevelopment Authority has announced on its website:
The threat of rising sea levels is real and an existential one for Singapore. With around 30 per cent of our land below five metres above mean sea level, Singapore is extremely vulnerable to the impact of sea level rise.
This is especially the case for the East Coast area, where there are already instances of flooding within East Coast Park when high tides coincide with heavy rain. Such events will not only adversely impact on our lives, but also disrupt the operation of critical infrastructure linked to the area, such as East Coast Parkway and Changi Airport.
On 28 Nov 2023, Mr Desmond Lee, Minister for National Development and Minister-in-charge of Social Services Integration announced that we are starting technical studies and public consultation on ‘Long Island’ as a solution to protect our homes, businesses, infrastructure and public spaces, such as East Coast Park.
A gravity map of the area reveals how much of the East Coast has been infilled (or reclaimed) and built on. The darker areas to the top left is part of the mainland,. The "black " areas in the bottom areas and to the right represent areas where no data is not available. Deeper waters is a likely reason. In between are greyish areas,and it does seem as if Long Island is meant to be anchored between two grey or semi-soft areas.
END
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