Georgia Tech-Led Research Team Publishes Breakthrough Climate Modeling Study

A Georgia Institute of Technology-led research team published a new climate modeling framework this month capable of predicting regional flooding risk with significantly greater precision than tools currently used by coastal planners along the Georgia coast and Golden Isles.

The model combines historical storm data, sea-level rise projections, and localized soil absorption data to generate flood-risk maps at a much finer geographic resolution than existing federal models, which researchers say often treat entire counties as uniform risk zones despite significant block-by-block variation.

"Existing models tell a town they're at moderate flood risk, when in reality one neighborhood might be in serious danger and another three blocks away is almost entirely safe," said the study's lead researcher, a Georgia Tech civil engineering professor. "That kind of blunt instrument leads to bad zoning decisions and wasted mitigation spending."

The research was conducted in partnership with two coastal Georgia municipalities that provided historical flooding data in exchange for early access to the refined risk maps. Georgia Tech says several additional coastal towns have already requested access to the model ahead of its planned public release next year.

The study's publication comes as Georgia continues to grapple with the long-term costs of coastal flooding, with state officials citing improved risk modeling as a priority for future infrastructure and insurance policy decisions.