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NOS Hydrographic Surveys Collection
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation... -
5 Meter Alaska Digital Elevation Models (DEMs) - USGS National Map 3DEP Downl...
This is a tiled collection of the 3D Elevation Program (3DEP) covering Alaska only, and is 5-meter resolution. The 3DEP data holdings serve as the elevation layer of The... -
National Flood Hazard Layer (NFHL)
The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and any... -
1 Arc-second Digital Elevation Models (DEMs) - USGS National Map 3DEP Downloa...
This is a tiled collection of the 3D Elevation Program (3DEP) and is 1 arc-second (approximately 30 m) resolution.The elevations in this Digital Elevation Model (DEM) represent... -
NGDC Marine Trackline Geophysics Database
This data set contains bathymetry, magnetic, gravity and seismic shot point navigation data collected during marine cruises from 1939 to the present. Coverage is worldwide.... -
Digital Elevation Models from NOAA/NGDC
Digital elevation models (DEMs) of U.S. coasts that integrate ocean bathymetry and land topography to support NOAA's mission to understand and predict changes in Earth's... -
National Flood Hazard Layer (NFHL)
The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and any... -
5 Meter Alaska Digital Elevation Models (DEMs) - USGS National Map 3DEP Downl...
This is a tiled collection of the 3D Elevation Program (3DEP) covering Alaska only, and is 5-meter resolution. The 3DEP data holdings serve as the elevation layer of The... -
Global Multi-Resolution Terrain Elevation Data - National Geospatial Data Ass...
The Global Multi-resolution Terrain Elevation Data 2010 (GMTED2010) provides a new level of detail in global topographic data. Previously, the best available global DEM was...