As Sea Level Rises, Multiple Factors Threaten Honolulu’s Urban Infrastructure – Phys Org

Credit: Hawaii and Pacific Islands King Tides Project (left and center), Honolulu Police Department (right).

Article Synopsis – Extreme high tide events are causing flooding in Honolulu from three different mechanisms, and it will continue to worsen as sea levels rise. These three mechanisms include directly over the shoreline, groundwater inundation, and reverse flow through the municipal drainage system. Currently, “groundwater inundation represents the most extensive flood source which is significant because a seawall will not stop groundwater inundation”. Unique engineering strategies will be required to address each issue. To read the actual article click here

By Sharon Gray May 7, 2020 Newsletter