Rain events could cause major failure of Waikīkī storm drainage by 2050

Existing sea level rise models for coastal cities often overlook the impacts of rainfall on infrastructure. Researchers at the University of Hawai’i at Mānoa discovered that by 2050, large rain events combined with sea level rise could cause flooding severe enough to disrupt transportation and contaminate stormwater inlets across 70% of Waikīkī on O’ahu, Hawai’i, due to interactions with water in the Ala Wai Canal.

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