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shoreline, inletLines: Shoreline polygons and tidal inlet delineations: Fire Island, NY, 2012

Dates

Publication Date
Start Date
2012-11-05
End Date
2012-11-29

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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fiis12_inletLines.cpg 5 Bytes
fiis12_inletLines.dbf 206 Bytes
fiis12_inletLines.prj 424 Bytes
fiis12_inletLines.sbn 204 Bytes
fiis12_inletLines.sbx 124 Bytes
fiis12_inletLines.shp 908 Bytes
fiis12_inletLines.shx 156 Bytes
fiis_shoreline_inletLines_browse.png
“Example shoreline polygon (black) and inlet delineation (red line) overlain o...”
thumbnail 891.56 KB
Shapefile: fiis12_shoreline.zip
fiis12_shoreline.CPG 5 Bytes
fiis12_shoreline.dbf 566 Bytes
fiis12_shoreline.prj 424 Bytes
fiis12_shoreline.sbn 196 Bytes
fiis12_shoreline.sbx 132 Bytes
fiis12_shoreline.shp 125.57 KB
fiis12_shoreline.shx 196 Bytes

Purpose

The shoreline polygons (fiis12_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 convert the transects to 5-m points and to measure island width, distance to inlet from each transect, and position of the shoreline (see larger work). In addition, the inlet delineation polylines (fiis12_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 (1) to designate the transition between ocean-facing and land-facing sides of the barrier island and (2) to measure the distance to tidal inlet in the 5-m points dataset (see larger work). 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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