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Name: Forecast_Uncertainties

Display Field: community

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Description: DGGS Report of Investigation 2021-3, Erosion exposure assessment of infrastructure in Alaska coastal communities, provides estimated erosion exposure for 48 communities from the Bering to the Beaufort seas. The Division of Geological & Geophysical Surveys conducted a shoreline change assessment to forecast 20-, 40-, and 60-year erosion estimates using the Digital Shoreline Analysis System (DSAS; Himmelstoss and others, 2018), and estimated the replacement cost of infrastructure in the forecast area. The geodatabase includes mean erosion forecasts and maximum uncertainties for 38 communities along with infrastructure locations and classification derived from Alaska Division of Community & Regional Affairs digital mapping products (DCRA, 2021) for 44 communities. All files are available from the DGGS website: http://doi.org/10.14509/30672

Service Item Id: db176e04b0b54f7894049f55aeefb548

Copyright Text: This work was funded by the Denali Commission Village Infrastructure Protection Program through the project "Systematic approach to assessing the vulnerability of Alaska's coastal infrastructure to erosion." We gratefully thank Dr. Nicole Kinsman of the National Oceanic and Atmospheric Administration and Dr. Craig Tweedie of the University of Texas at El Paso for their thorough peer reviews of this report.

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