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Uploaded on Tuesday 21 Feb 2012
Potential impact of sea-level rise on Bangladesh
Philippe Rekacewicz, UNEP/GRID-Arendal
Bangladesh, one of the world's poorest nations is also the country most vulnerable to sea-level rise.
The population is already severely affected by storm surges. Catastrophic events in the past have caused damage up to 100 km inland. It is hard to imagine to what extent these catastrophes would be with accelerated sea-level rise.
Digital terrain modelling techniques have been used to display the Bangladesh scenarios. A three dimensional view of the country has been overlaid with the current coastline and major rivers and potential future sea levels at 1,5 meters.
Since this scenario was calculated in 1989, the expected rate of sea level rise has been modified. At present expected rates, this stage will occur in about 150 years from now.