What is the coverage of 3D Elevation Program (3DEP) DEMs?

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  How do I report errors in 3D Elevation Program (3DEP) elevation data?

  If you think you’ve found an error in USGS elevation data, please send an email to tnm_help@usgs.gov . We will add the reported information to our "Digital Elevation Model Issues" data log for further analysis and possible correction. Spikes, pits, seam-line anomalies, and other data errors are of concern to us. We are working to correct or minimize known issues, but it will take some time. Errors...

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  How do I report errors in 3D Elevation Program (3DEP) elevation data?

  If you think you’ve found an error in USGS elevation data, please send an email to tnm_help@usgs.gov . We will add the reported information to our "Digital Elevation Model Issues" data log for further analysis and possible correction. Spikes, pits, seam-line anomalies, and other data errors are of concern to us. We are working to correct or minimize known issues, but it will take some time. Errors...

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  What is the difference between lidar data and a digital elevation model (DEM)?

  Light detection and ranging (lidar ) data are collected from aircraft using sensors that detect the reflections of a pulsed laser beam. The reflections are recorded as millions of individual points, collectively called a “point cloud,” that represent the 3D positions of objects on the surface including buildings, vegetation, and the ground. Digital elevation models ( DEMs ) are one of many...

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  What is the difference between lidar data and a digital elevation model (DEM)?

  Light detection and ranging (lidar ) data are collected from aircraft using sensors that detect the reflections of a pulsed laser beam. The reflections are recorded as millions of individual points, collectively called a “point cloud,” that represent the 3D positions of objects on the surface including buildings, vegetation, and the ground. Digital elevation models ( DEMs ) are one of many...

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  Where can I find 3D Elevation Program (3DEP) product updates and status maps?

  3D Elevation Program (3DEP) product updates and status maps are available at these sites: Updates The National Map Data Delivery News Subscribe to Simple Notification Services to receive emails regarding changes to the status of The National Map Services Status Maps The National Map Download Client – Click “Show” below each elevation product LidarExplorer – Lidar point cloud only DEM Availability...

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  Where can I find 3D Elevation Program (3DEP) product updates and status maps?

  3D Elevation Program (3DEP) product updates and status maps are available at these sites: Updates The National Map Data Delivery News Subscribe to Simple Notification Services to receive emails regarding changes to the status of The National Map Services Status Maps The National Map Download Client – Click “Show” below each elevation product LidarExplorer – Lidar point cloud only DEM Availability...

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  What is Lidar data and where can I download it?

  Light Detection and Ranging ( lidar ) is a technology used to create high-resolution models of ground elevation with a vertical accuracy of 10 centimeters (4 inches). Lidar equipment, which includes a laser scanner, a Global Positioning System (GPS), and an Inertial Navigation System (INS), is typically mounted on a small aircraft. The laser scanner transmits brief pulses of light to the ground...

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  What is Lidar data and where can I download it?

  Light Detection and Ranging ( lidar ) is a technology used to create high-resolution models of ground elevation with a vertical accuracy of 10 centimeters (4 inches). Lidar equipment, which includes a laser scanner, a Global Positioning System (GPS), and an Inertial Navigation System (INS), is typically mounted on a small aircraft. The laser scanner transmits brief pulses of light to the ground...

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  Majuro Atoll — Topobathymetric Model

  Majuro Atoll — Topobathymetric Model

  

  November 30, 2017

  Majuro Atoll — Topobathymetric Model

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  Majuro Atoll — Topobathymetric Model

  This video is of is a three-dimensional (3D) view of the Majuro Atoll, Republic of the Marshall Islands topobathymetric model which consists of topography (land elevation) and bathymetry (water depth). This video shows the importance of high-resolution, detailed topobathymetric models because the highest natural elevation for the Majuro Atoll is only three meters.

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  Land Resources, Natural Hazards, Coastal and Marine Hazards and Resources Program, Earth Resources Observation and Science Center, Earth Resources Observation and Science (EROS) Center , Eastern Geographic Science Center, Communications and Publishing

  

  November 30, 2017

  Majuro Atoll — Topobathymetric Model

  link

  Majuro Atoll — Topobathymetric Model

  link

  This video is of is a three-dimensional (3D) view of the Majuro Atoll, Republic of the Marshall Islands topobathymetric model which consists of topography (land elevation) and bathymetry (water depth). This video shows the importance of high-resolution, detailed topobathymetric models because the highest natural elevation for the Majuro Atoll is only three meters.

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  Land Resources, Natural Hazards, Coastal and Marine Hazards and Resources Program, Earth Resources Observation and Science Center, Earth Resources Observation and Science (EROS) Center , Eastern Geographic Science Center, Communications and Publishing

  Elevation

  Elevation

  

  April 30, 2012

  Elevation

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  Elevation

  The National Elevation Dataset (NED) is the primary elevation data product produced and distributed by the USGS National 3D Elevation Program (3DEP). The NED provides seamless raster elevation data of the conterminous United States, Alaska, Hawaii, and the island territories.

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  Core Science Systems

  

  April 30, 2012

  Elevation

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  Elevation

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  The National Elevation Dataset (NED) is the primary elevation data product produced and distributed by the USGS National 3D Elevation Program (3DEP). The NED provides seamless raster elevation data of the conterminous United States, Alaska, Hawaii, and the island territories.

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  Core Science Systems

  PubTalk 11/2010 — Silicon, Software, and Science

  PubTalk 11/2010 — Silicon, Software, and Science

  

  November 18, 2010

  PubTalk 11/2010 — Silicon, Software, and Science

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  PubTalk 11/2010 — Silicon, Software, and Science

  Monitoring the Earth's Landscape with Low-Cost High-Tech

  by Rian Bogle, Remote Sensing Specialist

   

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  Western Geographic Science Center, Communications and Publishing, Public Lecture Series

  

  November 18, 2010

  PubTalk 11/2010 — Silicon, Software, and Science

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  PubTalk 11/2010 — Silicon, Software, and Science

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  Monitoring the Earth's Landscape with Low-Cost High-Tech

  by Rian Bogle, Remote Sensing Specialist

   

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  Western Geographic Science Center, Communications and Publishing, Public Lecture Series
• Publications
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  February 20, 2024

  The 3D Elevation Program—Supporting Florida's economy

  IntroductionFlorida has the longest coastline of any State in the contiguous United States, and its coastal resources are one of the main drivers of its economic growth. High-quality elevation data are beneficial for use in emergency management, especially for hurricane response, recovery, and mitigation, as well as for coastal zone management, flood risk management, infrastructure planning, agric

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  Xan Fredericks, Chris Cretini

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  National Geospatial Program

  November 30, 2023

  The 3D Elevation Program—Supporting Montana’s economy

  IntroductionMontana, America’s fourth largest State with an area of 147,040 square miles, is defined by its diverse terrain. The western two-fifths of the State falls within the Rocky Mountains and the eastern three-fifths is in the Great Plains. Because of its location along the Continental Divide, the rivers in Montana drain into either the Pacific Ocean or the Gulf of Mexico. Montana is often c

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  Tom Carlson

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  National Geospatial Program

  April 5, 2021

  3D Elevation Program—Federal best practices

  The goal of the 3D Elevation Program (3DEP) is to complete nationwide data acquisition in 8 years, by 2023, to provide the first-ever national baseline of consistent high-resolution three-dimensional data—including bare earth elevations and three-dimensional point clouds—collected in a timeframe of less than a decade. Successful implementation of 3DEP depends on partnerships and the development an

  Authors

  Vicki Lukas, Vanessa Baez

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  National Geospatial Program, 3D Elevation Program

  June 3, 2019

  The National Map—New data delivery homepage, advanced viewer, lidar visualization

  As one of the cornerstones of the U.S. Geological Survey’s (USGS) National Geospatial Program, The National Map is a collaborative effort among the USGS and other Federal, State, and local partners to improve and deliver topographic information for the Nation. The National Map is featuring direct links to new and improved GIS data access utilities on a refreshed data delivery homepage at https://w

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  National Geospatial Program, 3D Elevation Program, The National Map - Data Delivery

  August 23, 2018

  Comparing methods used by the U.S. Geological Survey Coastal and Marine Geology Program for deriving shoreline position from lidar data

  The U.S. Geological Survey Coastal and Marine Geology Program uses three methods to derive a datum-based, mean high water shoreline on open-ocean coasts from light detection and ranging (lidar) elevation surveys. This work compared the shorelines produced by the three methods for two different surveys: one survey with simple beach morphology, and one survey with complex beach morphology. For the s

  Authors

  Amy S. Farris, Kathryn M. Weber, Kara S. Doran, Jeffrey H. List

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  Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

  July 3, 2018

  Coastal National Elevation Database

  The Coastal National Elevation Database (CoNED) Applications Project develops enhanced topographic (land elevation) and bathymetric (water depth) datasets that serve as valuable resources for coastal hazards research (Danielson and others, 2016; Thatcher and others, 2016). These datasets are used widely for mapping inundation zones from riverine flood events, hurricanes, and sea-level rise and for

  Authors

  Jeffrey J. Danielson, Sandra K. Poppenga, Dean J. Tyler, Monica Palaseanu-Lovejoy, Dean B. Gesch

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  Earth Resources Observation and Science (EROS) Center , Coastal National Elevation Database (CoNED) Applications Project

  August 2, 2017

  The National Map seamless digital elevation model specifications

  This specification documents the requirements and standards used to produce the seamless elevation layers for The National Map of the United States. Seamless elevation data are available for the conterminous United States, Hawaii, Alaska, and the U.S. territories, in three different resolutions—1/3-arc-second, 1-arc-second, and 2-arc-second. These specifications include requirements and standards

  Authors

  Christy-Ann M. Archuleta, Eric W. Constance, Samantha T. Arundel, Amanda J. Lowe, Kimberly S. Mantey, Lori A. Phillips

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  Core Science Systems Mission Area, Water Resources Mission Area, National Geospatial Program, Center of Excellence for Geospatial Information Science (CEGIS), National Geospatial Technical Operations Center, NGP Standards and Specifications

  September 15, 2014

  The 3D Elevation Program initiative: a call for action

  The 3D Elevation Program (3DEP) initiative is accelerating the rate of three-dimensional (3D) elevation data collection in response to a call for action to address a wide range of urgent needs nationwide. It began in 2012 with the recommendation to collect (1) high-quality light detection and ranging (lidar) data for the conterminous United States (CONUS), Hawaii, and the U.S. territories and (2)

  Authors

  Larry J. Sugarbaker, Eric W. Constance, Hans Karl Heidemann, Allyson L. Jason, Vicki Lukas, David L. Saghy, Jason M. Stoker

  By

  National Geospatial Program, Earth Resources Observation and Science (EROS) Center , 3D Elevation Program, Coastal Changes and Impacts

  May 20, 2014

  Accuracy assessment of the U.S. Geological Survey National Elevation Dataset, and comparison with other large-area elevation datasets: SRTM and ASTER

  The National Elevation Dataset (NED) is the primary elevation data product produced and distributed by the U.S. Geological Survey. The NED provides seamless raster elevation data of the conterminous United States, Alaska, Hawaii, U.S. island territories, Mexico, and Canada. The NED is derived from diverse source datasets that are processed to a specification with consistent resolutions, coordinate

  Authors

  Dean B. Gesch, Michael J. Oimoen, Gayla A. Evans

  By

  Earth Resources Observation and Science (EROS) Center , Coastal Changes and Impacts

  January 1, 2012

  Lidar base specification

  In late 2009, a $14.3 million allocation from the American Recovery and Reinvestment Act (ARRA) for new light detection and ranging (lidar) elevation data acquisition prompted the U.S. Geological Survey (USGS) National Geospatial Program (NGP) to develop a common minimum specification for all lidar data acquired for The National Map. Released as a working draft in 2010 and formally published in 20

  Authors

  Hans Karl Heidemann

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  Core Science Systems Mission Area, Water Resources Mission Area, National Geospatial Program, Earth Resources Observation and Science (EROS) Center , Coastal Changes and Impacts, National Geospatial Technical Operations Center, NGP Standards and Specifications
• News
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  USGS Digital Elevation Models (DEM) Switching to New Distribution Format

  October 23, 2019

  USGS Digital Elevation Models (DEM) Switching to New Distribution Format

  In support of ongoing efforts to provide efficient, cloud ready, open data formats, the U.S. Geological Survey National Geospatial Program is...

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  USGS 3DEP Lidar Point Cloud Now Available as Amazon Public Dataset

  February 7, 2019

  USGS 3DEP Lidar Point Cloud Now Available as Amazon Public Dataset

  The USGS 3D Elevation Program (3DEP) is excited to announce the availability of a new way to access and process lidar point cloud data from the 3DEP...

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  USGS Topo Base Map Refreshed and Other Updates

  October 30, 2018

  USGS Topo Base Map Refreshed and Other Updates

  The “USGS Topo Base Map” service named “USGS Topo” has been refreshed with new data and design changes. In addition, several of the “Data Availability...

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  New Elevation Map Service Available From the USGS 3D Elevation Program

  August 8, 2018

  New Elevation Map Service Available From the USGS 3D Elevation Program

  The USGS 3D Elevation Program (3DEP) announces the availability of a new dynamic map service.

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  The 3D Elevation Program Distributing Lidar Data in LAZ Format

  June 26, 2018

  The 3D Elevation Program Distributing Lidar Data in LAZ Format

  In support of ongoing efforts to provide efficient, cloud ready, open data formats for the use of lidar data, the USGS National Geospatial Program and...

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