Figure : slr_tidal-floods_v1

Tidal Floods

Figure 12.5

National Oceanic and Atmospheric Administration
William V. Sweet

This figure appears in chapter 12 of the Climate Science Special Report: The Fourth National Climate Assessment: Volume I report.

(a) Tidal floods (days per year) exceeding NOAA thresholds for minor impacts at 28 NOAA tide gauges through 2015. (b) Historical exceedances (orange), future projections through 2100 based upon the continuation of the historical trend (blue), and future projections under median RCP2.6, 4.5 and 8.5 conditions, for two of the locations—Charleston, SC and San Francisco, CA. (c) Water level heights above average highest tide associated with a local 5-year recurrence probability, and (d) the future decade when the 5-year event becomes a 0.2-year (5 or more times per year) event under the Interagency Intermediate scenario; black dots imply that a 5-year to 0.2-year frequency change does not unfold by 2200 under the Intermediate scenario. (Figure source: (a) adapted from Sweet and Marra 2016,048006a1-a72d-44a1-bdab-fff317c842f7 (b) adapted from Sweet and Park 2014,91aeffdb-e82f-4645-abe9-f6ea6909e979 (c) and (d) Sweet et al. 2017c66bf5a9-a6d7-4043-ad99-db0ae6ae562c).

Free to use with credit to the original figure source.

This figure was created on October 06, 2017.

This figure was submitted on October 13, 2017.

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