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Bathymetry Contours


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Casamassina, N.A., Welk, R.J., Finkelstein, J.S., Monti, Jack Jr., Simonson, A.E., Cartwright, R.A., Behrens, R.R., Holewinski, S.A., 2018, Bathymetric and tidal discharge data for Wilderness Breach, Fire Island National Seashore, Long Island, NY, May 14, 2015: U.S. Geological Survey data release,


The Bathymetry surface was created by plotting depths of all data points collected relative to North American Vertical Datum of 1988 (NAVD 88), which was converted using the Vertical Datum Transformation tool created by the National Oceanic and Atmospheric Administration's (NOAA) National Geodetic Survey, Office of Coast Survey, and Center for Operation Oceanographic Products and Services. The elevation of the bathymetric raster surface was interpolated between these points in a GIS using a spline interpolator. A total of 432 points were used for interpolation. The points were used as the input to create a polygon feature class. The Spline tool was applied using the points and polygon to interpolate the bathymetric surface at cell [...]


Originator :
Amy Simonson
Metadata Contact :
Robert J Welk
Distributor :
U.S. Geological Survey - ScienceBase

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The data collected in this release was in support of water-resource evaluation of Fire Island National Seashore.

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dateUploadedWed Mar 07 13:18:12 MST 2018

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