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points, transects, beach width: Barrier island geomorphology and shorebird habitat metrics at 50-m alongshore transects and 5-m cross-shore points: Cedar Island, VA, 2013–2014

Dates

Publication Date
Time Period
2014

Citation

Sturdivant, E.J., Zeigler, S.L., Gutierrez, B.T., and Weber, K.M., 2019, Barrier island geomorphology and shorebird habitat metrics–Four sites in New York, New Jersey, and Virginia, 2010–2014: U.S. Geological Survey data release, https://doi.org/10.5066/P944FPA4.

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 [...]

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Attached Files

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cei14_pts.csv 46.14 MB
cei_pts_trans_ubw_browse.png
“Example views of the 5-m points, which follow the cross-shore transects. The ...”
thumbnail 519.02 KB
extractor_cei14.html 634.07 KB
extractor_cei14.ipynb 331.25 KB
Shapefile: cei_trans.zip
cei_trans.cpg 5 Bytes
cei_trans.dbf 19.37 KB
cei_trans.prj 424 Bytes
cei_trans.sbn 2.24 KB
cei_trans.sbx 132 Bytes
cei_trans.shp 23.21 KB
cei_trans.shx 2.2 KB
Extension: cei14_ubw.zip
cei14_ubw.tif 4.13 MB
cei14_ubw.tif.vat.dbf 12.19 KB
cei14_ubw.tif-ColorRamp.SLD 2.07 KB

Purpose

These data provide samples of barrier island characteristics for use in Bayesian networks to model geomorphology and shorebird nesting habitat condition and change. Transects spaced every 50 m alongshore from the National Assessment of Shoreline Change (NASC; cei_trans.shp) were extended and supplemented to use as the base sampling unit to compile and sample barrier island characteristics. Attributes are provided at 5-m sample points (cei14_pts.csv) along each transect and include both values extracted for the entire transect and values extracted at each point. The attributes in the points file can be aggregated by transect and joined to the transect features by the field sort_ID. The beach width values calculated for each transect are also provided as a spatially continuous raster (cei14_ubw.tif). See Zeigler and others (2019) for additional details.

Additional Information

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