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Can Bangkok’s ageing drainage system defeat La Niña flood threat?

Can Bangkok’s ageing drainage system defeat La Niña flood threat?

11 Sept 01:05 Key points summarised by AI
  • Bangkok faces a severe flood threat from La Niña's unusually high rainfall, exacerbated by an aging drainage system and expanding urban population that struggles with rainfall exceeding 60mm/hour.
  • The Bangkok Metropolitan Administration (BMA) is implementing urgent measures, including strengthening defenses in 179 flood-prone areas, dredging 4,280km of drainage pipes and canals, and enhancing pumping stations and drainage tunnels.
  • Experts forecast higher-than-average rainfall (5-10% increase) this year, intensifying flood potential across Thailand, including Bangkok, while paradoxically, some regions also face drought risks due to critically low dam levels.
  • Despite the heightened risk, some experts are cautiously optimistic that Bangkok's improved preparations, learning from the 2022 floods, could prevent a disaster worse than two years ago, though local empowerment in water management is urged.
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