GATE_2m_Contours_Smooth_2014_NGS_LiDAR (FeatureServer)

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Service Description: Contour lines for Gateway National Recreation Area.

Service ItemId: cdd037c1cc294086ac401884ab7e18eb

Has Versioned Data: false

Max Record Count: 1000

Supported query Formats: JSON

Supports applyEdits with GlobalIds: True

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Description: This is a contour line dataset for Gateway National Recreation Area. These data were derived from LiDAR collected from January 8 to May 22, 2014 by the NOAA NGS. These data were collected by the National Oceanic Atmospheric Administration National Geodetic Survey Remote Sensing Division using a Riegl VQ820G system. The data includes topobathy data in an LAS 1.2 format file classified as unclassified (1), ground (2), topo noise (7), refracted High Water data landward of the MLLW land/water interface (18), bathy noise (22), noise as defined by the sensor (23), refracted sensor noise (24), water column (25), bathymetric bottom or submerged topography (26), water surface (27), International Hydrographic Organization (IHO) S-57 objects (30), and temporal bathy bottom (31) in accordance with project specifications. Several of the noise classes were filtered out prior to distribution on the Digital Coast. The full project consists of 2,775 square miles along the Atlantic Coast from New York to South Carolina. These data were only collected for coastal areas; Jamaica Bay and Sandy Hook were captured, while Staten Island was not. The Focal Statistics Tool was used to create a smoothed DEM for both JBU and SHU. A Circle neighborhood with a 5 map unit radius was used. The Contour Tool was then used to generate 2 meter contours. All contours less than or equal to zero were then deleted. These data (source) were downloaded from the NOAA Digital Coast FTP site - ftp://coast.noaa.gov/pub/DigitalCoast/lidar1_z/geoid12b/data/4800

Copyright Text: NOAA NGS, Environmental Data Center

Spatial Reference: 102100 (3857)

Initial Extent:

Full Extent:

Units: esriMeters

Child Resources: Info

Supported Operations: Query Create Replica Synchronize Replica Unregister Replica