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  3. Massachusetts Shoreline Change Project: A GIS Compilation of Vector Shorelines for the 2018 update
  4. CapeCodBay
  5. CapeCodBay_UncertaintyTable
  6. Uncertainty table for lidar-derived shorelines used when calculating rates in the Digital Shoreline Analysis System software for Cape Cod Bay, MA

Uncertainty table for lidar-derived shorelines used when calculating rates in the Digital Shoreline Analysis System software for Cape Cod Bay, MA

Dates

Publication Date
Start Date
2014-04-04
End Date
2014-04-06

Citation

Himmelstoss, E.A., Farris, A.S., and Weber, K.M., 2018, Massachusetts shoreline change project—A GIS compilation of vector shorelines for the 2018 update: U.S. Geological Survey data release, https://doi.org/10.5066/P9O7S72B.

Summary

The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast. The shoreline position and change rate are used to inform management decisions regarding the erosion of coastal resources. In 2001, a 1994 shoreline was added to calculate both long- and short-term shoreline change rates at 40-meter intervals along ocean-facing sections of the Massachusetts coast. In 2013 two oceanfront shorelines for Massachusetts were added using 2008-2009 color aerial orthoimagery and 2007 topographic LIDAR lidar datasets obtained from NOAA's Ocean Service, Coastal Services Center. This 2018 update includes two new mean high water (MHW) shorelines for the Massachusetts coast [...]

Contacts

Author :
Emily Himmelstoss, Amy Farris, Kathryn M Weber
Distributor :
U.S. Geological Survey - ScienceBase
USGS Mission Area :
Natural Hazards
Data Owner :
Woods Hole Coastal and Marine Science Center

Attached Files

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CapeCodBay_pShorelineNB_2014_uncertainty.dbf.xml
“CSDGM metadata in XML format for the uncertainty table.”
Original FGDC Metadata
View 		30.29 KB application/fgdc+xml
CapeCodBay_pShorelineNB_2014_uncertainty.dbf
“Uncertainty table” 		193.6 KB text/plain
CapeCodBay_pShorelineNB_2014_uncertainty.dbf.html
“CSDGM metadata in HTML format for the uncertainty table.” 		64.18 KB text/html
CapeCodBay_pShorelineNB_2014_uncertainty.dbf.txt
“CSDGM metadata in TEXT format for the uncertainty table.” 		27.42 KB text/plain

Purpose

This table includes measurement and positional errors associated with the lidar shorelines for Cape Cod Bay, Massachusetts. This shoreline does not have buoy data from which to gather wave data, so the run-up equations the profile method implements to estimate a proxy-datum bias value cannot be used. While this table contains columns used to store a proxy-datum bias value (BIAS) and associated uncertainty (UNCYB) these fields do not contain any data and are simply place holders for use in the Digital Shoreline Analysis System software. The only field being used is the positional uncertainty field (UNCY). The dataset contains a common attribute with the M-values stored for the lidar data within the CapeCodBay_pShorelineNB_2014.shp. These data are used in conjunction with the shoreline file to calculate rates of shoreline change.

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