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shoreline, inletLines: Shoreline polygons and tidal inlet delineations: Cedar Island, VA, 2010

Dates

Publication Date
Start Date
2010-03-21
End Date
2010-03-28

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 [...]

Contacts

Attached Files

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cei10_inletLines.CPG 5 Bytes text/plain
cei10_inletLines.dbf 186 Bytes application/unknown
cei10_inletLines.prj 424 Bytes text/plain
cei10_inletLines.sbn 196 Bytes x-gis/x-shapefile
cei10_inletLines.sbx 124 Bytes x-gis/x-shapefile
cei10_inletLines.shp 628 Bytes x-gis/x-shapefile
cei10_inletLines.shx 148 Bytes x-gis/x-shapefile
cei_shoreline_inletLines_browse.jpeg
“Example shoreline polygon (black) and inlet delineation (red line) overlain o...”
thumbnail 91.9 KB image/jpeg
Shapefile: cei10_shoreline.zip
cei10_shoreline.CPG 5 Bytes
cei10_shoreline.dbf 669 Bytes
cei10_shoreline.prj 424 Bytes
cei10_shoreline.sbn 244 Bytes
cei10_shoreline.sbx 132 Bytes
cei10_shoreline.shp 140.32 KB
cei10_shoreline.shx 188 Bytes

Purpose

The shoreline polygons (cei10_shoreline.shp) are a generalized delineation of the mean high water (MHW) position on the seaward face of the island and mean tidal level (MTL, average of MHW and mean low water) position on the inland face. They delineate the shoreline for the purposes of this study. These polygons were used to measure distance to ocean and distance to foraging (see larger work). In addition, the inlet delineation polylines (cei10_inletLines.shp) use single straight line segments to roughly locate each side of tidal inlets for the barrier island study area. These lines were used to designate the transition between ocean-facing and land-facing sides of the barrier island. They were created manually to cross the MHW contour line on each side of a tidal inlet within the study area.

Additional Information

Shapefile Extension

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