Figure : figure-3-coastal

Range of Daily Highest Water Levels in Norfolk, Virginia

Figure 19.8

National Oceanic and Atmospheric Administration, U.S. Geological Survey
Adam Terando, Douglas C. Marcy

This figure appears in chapter 19 of the Impacts, Risks, and Adaptation in the United States: The Fourth National Climate Assessment, Volume II report.

The curves in this figure show a range of daily Mean Higher High Water (MHHW) levels in Norfolk, Virginia (Sewells Point), for the 1960s and 2010s. Local sea level rise has shifted the curve closer to the point where high tide flooding begins (based on warning thresholds established by the National Weather Service). This shows why many more high tide flood events occur now than they did in the past (increase of 6 flood days per year). Source: adapted from Sweet et al. 2017.c66bf5a9-a6d7-4043-ad99-db0ae6ae562c
This figure was revised in June 2019. See Errata for details: https://nca2018.globalchange.gov/downloads

Figure may be copyright protected and permission may be required. Contact original figure source for information

This figure was created on June 13, 2017.

This figure was submitted on September 23, 2019.

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