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Elevation and Derived Products

 namedescriptiontypepublication datemetadatadownload
BathymetryBathymetric depth contours for Narragansett Bay and Block Island sound at twenty foot intervals as depicted on NOAA nautical charts. 03/1997
s44hby97.zip (1.5 MB) E00;
bathymet.zip (1.6 MB) SHP
BenchmarksGeodetic control stations registered with the National Geodetic Survey in Rhode Island. Last updated November 2013. 03/2014
bench13.zip (0.2 MB) SHP
Contour LinesStatewide contour lines developed at 2-ft, 5-ft, and 10-ft intervals. Derived from a 1-meter resolution DEM originally developed as part of the Spring 2011 Northeast LiDAR Project. 09/2013
Spring 2011 Northeast LiDAR Project
Digital Elevation ModelStatewide 1-meter resolution DEM, originally developed as part of the Spring 2011 Northeast LiDAR Project. These data are re-projected to the RI State Plane Coordinate System and units converted to feet. 09/2013
Spring 2011 Northeast LiDAR Project
Geodetic Survey PointsGeodetic survey horizontal and vertical monumented control points from the National Geodetic Reference System and RI control bases including elevation bench marks and point coordinates. 03/1995
s44bgc95.zip (0.1 MB) E00;
geod95.zip (0.2 MB) SHP
Hillshade Raster SurfaceStatewide hillshade derived from a 1-meter resolution DEM originally developed as part of the Spring 2011 Northeast LiDAR Project. 09/2013
Spring 2011 Northeast LiDAR Project
Hurricane Sandy Storm Surge PointsPoint data representing Rhode Island storm surge heights resulting from Superstorm Sandy in October of 2012. 11/2013
sandySurge12.zip (0.1 MB)
LiDAR: Statewide Spring 2011Provisional release of statewide LiDAR data and a derivative 1-m resolution bare earth digital elevation model (DEM) for Rhode Island from the LiDAR for the Northeast Project. 04/2012
Download point cloud (LAS 1.2 format) and DEM (ERDAS IMG format) data.
Statewide Digital Terrain Model (1997)Digital Terrain Model derived from the 1997 National Grid USA/RIDOT Digital Orthophoto Project. Provided in both TIN and ESRI terrain formats. 06/2001
5KDTM_TIN.zip (248 MB) E00;
5KDTM_terrain.zip (98 MB) FGDB
Statewide Digital Terrain Model- Raw Mass Point and Breakline Data (1997)Source data used to generate the Statewide Digital Terrain Model (1997) currently offered by RIGIS. This space-delimited ASCII text file contains the coordinates and elevation values of the mass points and breakline features used for this DTM. 06/2001
5KDTM_ASCII.zip (72 MB) TXT

Please review the RIGIS license agreement before accessing any data.