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Delaware and the Surging Sea

Ben Strauss, Claudia Tebaldi, and Scott Kulp
Created: 5/31/2019 - Updated: 5/31/2019


Under a low-range sea level rise scenario, Delaware is likely to see record-breaking coastal floods within the next 20 years, and near certain to see floods more than 5 feet above the high tide line by 2100. Under a rapid rise scenario, the state is near certain to see floods above 9 feet by end of century.

Sea levels are rising at an accelerating rate, and the scientific community is confident that global warming is the most important cause. Higher sea levels translate to more and higher coastal floods. To forecast future risk, this analysis integrates historic local sea level trends and flood statistics with global sea level rise scenarios, developed by a multi-agency federal task force led by NOAA in support of the recent U.S. National Climate Assessment.

This report is being released as a high-level summary of findings and methods, coincident with the online launch of a Surging Seas Risk Finder tool for the state, providing much more detailed and localized findings, and accessible via

Published On

Monday, September 1, 2014


Target Climate Changes and Impacts: 
Sea level rise
Type of Adaptation Action/Strategy: 
Capacity Building
Conduct vulnerability assessments and studies
Infrastructure, Planning, and Development
Community Planning (developing climate-smart communities)
Governance and Policy
Create new or enhance existing policies or regulations
Develop / implement adaptation plans
Develop / implement adaptive management strategies
Sociopolitical Setting: 

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