iCoast – Did the Coast Change?: Storm-impact model verification using citizen scientists

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Abstract

The USGS provides model predictions of severe storm impacts prior to landfall based on pre-storm morphology and predicted total water levels, including waves and surge. Presented in near real time on the USGS Coastal Change Hazard Portal, they provide coastal residents, scientists, and emergency managers valuable coastal response information. iCoast – Did the Coast Change?, an online tool for comparing pre- and post-storm photography, allows volunteer citizen scientist help researchers classify storm impacts through aerial photography. Using spatially matched pre- and post-storm image pairs from Hurricane Sandy, iCoast users identified the coastal processes seen in each image. These classifications were compared to the predictive model probabilities just prior to Sandy’s landfall. User classifications agreed with the model predictions with a high degree of confidence for dune erosion and overwash. However, for inundation, user classifications, limited to observations of island breaching, were less confident and should be used with caution

Additional publication details

Publication type Conference Paper
Publication Subtype Conference Paper
Title iCoast – Did the Coast Change?: Storm-impact model verification using citizen scientists
DOI 10.1142/9789811204487_0124
Year Published 2019
Language English
Publisher World Scientific
Contributing office(s) St. Petersburg Coastal and Marine Science Center
Description 15 p.
Larger Work Type Conference Paper
Larger Work Subtype Conference Paper
Larger Work Title Proceedings of the 9th International Conference Coastal Sediments 2019
First page 1424
Last page 1438
Conference Title Coastal Sediments 2019
Conference Location Tampa/St. Pete, Florida
Conference Date May 27-31, 2019