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Shorelines from 1947 to 2017 for the central Beaufort Sea coast of Alaska (Hulahula River to the Colville River) used in shoreline change analysis

This dataset includes historical shoreline positions that span 70 years, from 1947 to 2017, for the north coast of Alaska between the Hulahula River and the Colville River. Shorelines were compiled from topographic survey sheets (T-sheets; National Oceanic and Atmospheric Administration (NOAA)), aerial orthophotographs (U.S. Geological Survey (USGS), National Aeronautics and Space Administration (NASA), Conoco-Philips (CP), British Petroleum Alaska (BPXA), and NOAA), satellite imagery (U.S. Fish and Wildlife Service (USFWS) and State of Alaska), and lidar elevation data (USGS). Historical shoreline positions serve as easily understood features that can be used to describe the movement of beaches through time. These data are used to calculate rates of shoreline change. Rates of long-term (70 years) and short-term (less than 40 years) shoreline change were generated in a GIS using the Digital Shoreline Analysis System (DSAS) version 5.1. DSAS uses a measurement baseline method to calculate rate-of-change statistics. Transects are cast from the reference baseline to intersect each shoreline, establishing measurement points used to calculate shoreline change rates.

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Author(s) Ann E Gibbs orcid, Karin A. Ohman, Ryan Coppersmith, Bruce M. Richmond orcid
Publication Date 2024-09-11
Beginning Date of Data 1947
Ending Date of Data 2017
Data Contact
DOI https://doi.org/10.5066/F72Z13N1
Citation Gibbs, A.E., Ohman, K.A., Coppersmith, R., and Richmond, B.M., 2024, Shorelines from 1947 to 2017 for the central Beaufort Sea coast of Alaska (Hulahula River to the Colville River) used in shoreline change analysis: U.S. Geological Survey data release, https://doi.org/10.5066/F72Z13N1.
Metadata Contact
Metadata Date 2024-09-11
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Harvest Source: ScienceBase
Harvest Date: 2026-04-01T04:59:02.548Z