The surprise revelation means 12 million Vietnamese may need to retreat
A stunning 12 million people could be displaced by flooding in Vietnam’s Mekong Delta within half a century, according to new research led by Philip Minderhoud, a geographer at Utrecht University in the Netherlands. Minderhoud and his colleagues arrived at that surprising conclusion after analyzing ground-based measurements of the Mekong’s topography that the Vietnamese government shielded from Western scientists for years. The results, published today in Nature Communications, show the Mekong’s elevation over sea level averages just 0.8 meter, which is almost two meters lower than commonly quoted estimates based on freely available satellite data.
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