• Organization: City of New York
• Updated: 2024-10-30

A bare-earth, hydro-flattened, digital-elevation surface model derived from 2010 Light Detection and Ranging (LiDAR) data. Surface models are raster representations derived by interpolating the...

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• Organization: City of New York
• Updated: 2024-10-30

NYC 1foot Digital Elevation Model: A bare-earth, hydro-flattened, digital-elevation surface model derived from 2010 Light Detection and Ranging (LiDAR) data. Surface models are raster...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2019-10-10T00:00:00.000+00:00

These data represent integrated lidar and sonar gridded surface data. Quantum Spatial, Inc. (QSI) collected the topobathymetric lidar using a Riegl VQ880GII system on May 22, 2019. Merkel and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

This image represents a 2x2 meter resolution bathymetry surface of the moderate-depth portion of the NPS's Virgin Islands Coral Reef National Monument, south of St. John, US Virgin Islands. The...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2019-10-01T00:00:00.000+00:00

These data represent integrated lidar and sonar topobathymetric point cloud data. Quantum Spatial, Inc. (QSI) collected the topobathymetric lidar using a Riegl VQ880GII system on May 22, 2019....

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Rugosity was calculated from the bathymetry surface for each cell using the "Rugosity" function in the Benthic Terrain Modeler toolbox (Jenness 2002, 2004; Wright et al., 2005). Rugosity is...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Mean depth was calculated from the bathymetry surface for each cell using the ArcGIS Spatial Analyst Focal Statistics "Mean" parameter. Mean depth represents the average depth value (in meters)...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Standard deviation of depth was calculated from the bathymetry surface for each cell using the ArcGIS Spatial Analyst Focal Statistics "STD" parameter. Standard deviation of depth represents the...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Slope was calculated from the bathymetry surface for each raster cell using ArcGIS's Spatial Analyst 'Slope' Tool. Slope describes the maximum steepness of a terrain (in degrees) within a square...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Slope of slope was calculated from the bathymetry surface for each raster cell by applying the ArcGIS Spatial Analyst 'Slope' Tool to a previously created slope raster. Slope of slope describes...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Curvature was calculated from the bathymetry surface for each raster cell using the ArcGIS 3D Analyst "Curvature" Tool. Curvature describes the rate of change of curvature (in 1/100 z units)...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Plan curvature was calculated from the bathymetry surface for each raster cell using the ArcGIS 3D Analyst "Curvature" Tool. Plan curvature describes the rate of change of curvature (perpendicular...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-08-06

The Harmonized Landsat Sentinel-2 (HLS) project provides consistent surface reflectance data from the Operational Land Imager (OLI) aboard the joint NASA/USGS Landsat 8 satellite and the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Profile curvature was calculated from the bathymetry surface for each raster cell using the ArcGIS 3D Analyst "Curvature" Tool. Profile curvature describes the rate of change of curvature...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2019-10-10T00:00:00.000+00:00

These data represent integrated lidar and sonar gridded surface data. Quantum Spatial, Inc. (QSI) collected the topobathymetric lidar using a Riegl VQ880GII system on May 22, 2019. Merkel and...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-08-06

The Harmonized Landsat Sentinel-2 (HLS) project provides consistent surface reflectance (SR) and top of atmosphere (TOA) brightness data from a virtual constellation of satellite sensors. The...

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• Organization: Department of the Interior
• Updated: 2025-02-14T00:00:00Z

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 Map, and provide...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Eight complexity surfaces (mean depth, standard deviation of depth, curvature, plan curvature, profile curvature, rugosity, slope, and slope of slope) were stacked and exported to create one image...

• Organization: Department of the Interior
• Updated: 2023-05-16T00:00:00Z

Seamless unconfined groundwater heads for U.S. coastal North and South Carolina groundwater systems were modeled with homogeneous, steady-state MODFLOW simulations. The geographic extent examined...

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• Organization: Department of the Interior
• Updated: 2021-10-20T00:00:00Z

A seamless, three-meter digital elevation model (DEM) was constructed for the entire Southern California coastal zone, extending 473 km from Point Conception to the Mexican border. The goal was to...

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