2014: Delineation of Water Bodies in Emergent Wetlands in Coastal New Jersey

Dates

Publication Date: 2016-03-17
Time Period: 2014

Citation

Thatcher, C.A., Danielson, J.J., Gesch, D.B. and Worstell, B.B., 2016, Delineation of Water Bodies in Emergent Wetlands in Coastal New Jersey: U.S. Geological Survey data release, https://dx.doi.org/10.5066/F7M043J4.

Summary

Hurricane Sandy, which made landfall on October 29, 2012, near Brigantine, New Jersey, had a significant impact on coastal New Jersey, including the large areas of emergent wetlands at Edwin B. Forsythe National Wildlife Refuge (NWR) and the Barnegat Bay region. In response to Hurricane Sandy, U.S. Geological Survey (USGS) has undertaken several projects to assess the impacts of the storm and provide data and scientific analysis to support recovery and restoration efforts. As part of these efforts, the USGS Coastal and Marine Geology Program (CMGP) sponsored Coastal National Elevation Database (CoNED) Applications Project in collaboration with the USGS National Geospatial Program (NGP), and National Oceanic and Atmospheric Administration [...]

Summary

Hurricane Sandy, which made landfall on October 29, 2012, near Brigantine, New Jersey, had a significant impact on coastal New Jersey, including the large areas of emergent wetlands at Edwin B. Forsythe National Wildlife Refuge (NWR) and the Barnegat Bay region. In response to Hurricane Sandy, U.S. Geological Survey (USGS) has undertaken several projects to assess the impacts of the storm and provide data and scientific analysis to support recovery and restoration efforts. As part of these efforts, the USGS Coastal and Marine Geology Program (CMGP) sponsored Coastal National Elevation Database (CoNED) Applications Project in collaboration with the USGS National Geospatial Program (NGP), and National Oceanic and Atmospheric Administration (NOAA) developed a three-dimensional (3D) 1-meter topobathymetric elevation models (TBDEMs) for the New Jersey/Delaware sub-region including the Delaware Estuary and adjacent coastline. The integrated elevation data are extending the USGS 3D Elevation Program (3DEP) Elevation Dataset within the Hurricane Sandy impact zone to enable the widespread creation of flood, hurricane, and sea-level rise inundation hazard maps. More information on the USGS CoNED project is available at http://topotools.cr.usgs.gov/coned/index.php. The CoNED Applications Project team is also developing new applications for pre- and post-Hurricane Sandy regional lidar datasets for mapping the spatial extent of coastal wetlands. These new methods have been developed to derive detailed land/water polygons for an area in coastal New Jersey, which is dominated by a complex configuration of emergent wetlands and open water. Using pre- and post-Hurricane Sandy lidar data, repeatable geospatial methods were used to map the land/water spatial configuration at a regional scale to complement wetland mapping that uses traditional methods such as photointerpretation and image classification.

Contacts

Point of Contact :: U.S. Geological Survey, Southeast Region
Originator :: U.S. Geological Survey, Cindy Thatcher, Jeffrey Danielson, Dean Gesch, Bruce Worstell
Publisher :: U.S. Geological Survey
Distributor :: U.S. Geological Survey - ScienceBase

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Shapefile: Water_Bodies_Wetlands_Coastal_NJ_2014.zip
Water_Bodies_Wetlands_Coastal_NJ_2014.shp.xml “Metadata” Original FGDC Metadata	View	24.47 KB
Water_Bodies_Wetlands_Coastal_NJ_2014.CPG		5 Bytes
Water_Bodies_Wetlands_Coastal_NJ_2014.dbf		2.51 MB
Water_Bodies_Wetlands_Coastal_NJ_2014.lyr		10.5 KB
Water_Bodies_Wetlands_Coastal_NJ_2014.prj		424 Bytes
Water_Bodies_Wetlands_Coastal_NJ_2014.sbn		186.96 KB
Water_Bodies_Wetlands_Coastal_NJ_2014.sbx		7.36 KB
Water_Bodies_Wetlands_Coastal_NJ_2014.shp		332.44 MB
Water_Bodies_Wetlands_Coastal_NJ_2014.shx		147.74 KB

Purpose

Lidar offers high spatial resolution (i.e. < 1 meter point spacing) and precise elevation data that can be used to efficiently map the land/water interface. Pre- and post-Hurricane Sandy lidar data were processed and analyzed to map coastal wetland changes over the extent of Forsythe NWR and Barnegat Bay. The resulting data can be used to visualize and quantify changes in wetland morphology such as erosion, wetland inundation, internal ponding and marsh migration across the region. The analyses are based on airborne lidar acquired in 2010 and 2014.

2014: Delineation of Water Bodies in Emergent Wetlands in Coastal New Jersey

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