Merged Digital Elevation Models for Poughkeepsie, NY (poughkeepsie.dem)
Lopez-Torrijos R. Merged Digital Elevation Models for Poughkeepsie, NY (poughkeepsie.dem). U.S. Geological Survey
A digital Elevation Model (DEM) contains a series of elevations ordered from south to north with the order of the columns from west to east. The DEM is formatted as one ASCII header record (A-record), followed by a series of profile records (B-records) each of which include a short B-record header followed by a series of ASCII integer elevations per each profile. The last physical record of the DEM is an accuracy record (C-record). The 7.5-minute DEM (10- by 10-m data spacing) is cast on the Universal Transverse Mercator (UTM) projection (the quads UTM zone can be found in the header record(Record A)) in the North American Datum of 1927. It provides coverage in 7.5- by 7.5-minute blocks. Each product provides the same coverage as a standard USGS 7.5-minute quadrangle, but overedges are published as separate DEM files. Coverage is available for all quads completely contained within New York State, plus some additional ones falling along the borders and containing significant area of the State's land.
- Type
- Geospatial Dataset
- Authors
- Lopez-Torrijos, Ricardo
- Publisher
- U.S. Geological Survey
- Units
- ROVA
- Keywords
- Altitude, Cartography, cell, Contour Line, DEM, Digital Contours, Digital Elevation Model, DIGITAL MAPPING, digital terrain model, grid, Height, Hydrography, Hypsography, Landforms, Mapping, New York State, NY, NYSDEC, raster, Relief, Topography, US