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DCpts, DTpts, SLpts: Dune crest, dune toe, and mean high water shoreline positions: Assawoman Island, VA, 2014

Dates

Publication Date
Start Date
2014-01-08
End Date
2014-07-27

Citation

Sturdivant, E.J., Zeigler, S.L., Gutierrez, B.T., and Weber, K.M., 2019, Barrier island geomorphology and shorebird habitat metrics–Sixteen sites on the U.S. Atlantic Coast, 2013–2014: U.S. Geological Survey data release, https://doi.org/10.5066/P9V7F6UX.

Summary

Understanding how sea-level rise will affect coastal landforms and the species and habitats they support is critical for crafting approaches that balance the needs of humans and native species. Given this increasing need to forecast sea-level rise effects on barrier islands in the near and long terms, we are developing Bayesian networks to evaluate and to forecast the cascading effects of sea-level rise on shoreline change, barrier island state, and piping plover habitat availability. We use publicly available data products, such as lidar, orthophotography, and geomorphic feature sets derived from those, to extract metrics of barrier island characteristics at consistent sampling distances. The metrics are then incorporated into predictive [...]

Contacts

Attached Files

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DC_DT_SLpts_asis_browse.png
“Example geomorphology points (mean high water shoreline, dune toe, and dune c...”
thumbnail 147.89 KB
Shapefile: assa14_DCpts.zip
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Shapefile: assa14_DTpts.zip
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Shapefile: assa14_SLpts.zip
assa14_SLpts.cpg 5 Bytes
assa14_SLpts.csv 108.82 KB
assa14_SLpts.dbf 150.52 KB
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assa14_SLpts.sbn 13.27 KB
assa14_SLpts.sbx 460 Bytes
assa14_SLpts.shp 38 KB
assa14_SLpts.shx 10.93 KB

Purpose

These datasets measure positions of geomorphic features, specifically dune crests, dune toes, and mean high water (MHW) shoreline pertaining to sandy beaches at Assawoman Island, VA in 2014. They can be used to calculate beach width and height. The source data were created for the purpose of modeling coastal hazards related to dune overtopping.

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