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USGS National Elevation Dataset

Entry ID: USGS_NED

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Summary

Abstract: The U.S. Geological Survey has developed a National Elevation Dataset (NED). The NED is a seamless mosaic of best-available elevation data. The 7.5-minute elevation data for the conterminous United States are the primary initial source data. In addition to the availability of complete 7.5-minute data, efficient processing methods were developed to filter production artifacts in the existing data, ...

Related URL

Link: GET DATA

Description: View and access data for the National Elevation Dataset.

Link: GET DATA

Description: Find additional elevation data with free download.

Description: The National Map: Seamless Data Distribution System Viewer

Link: VIEW RELATED INFORMATION

Description: Additional information on the National Elevation Dataset.

Multimedia Sample

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Geographic Coverage

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Spatial coordinates

N: 76.63

S: 13.71

E: -61.48

W: -177.1

Data Set Citation

Dataset Originator/Creator: U.S. Geological Survey (USGS), EROS Center

Dataset Title: USGS National Elevation Dataset

Dataset Release Date: 1999-01-01

Dataset Release Place: Sioux Falls, SD

Dataset Publisher: U.S. Geological Survey

Version: 1

Data Presentation Form: raster digital data

Online Resource: http://ned.usgs.gov/

Temporal Coverage

Start Date: 1999-02-01

Location Keywords

CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA

Data Resolution

Latitude Resolution: 30 m
Longitude Resolution: 30 m
Horizontal Resolution Range: 30 meters - < 100 meters

Science Keywords

LAND SURFACE > EROSION/SEDIMENTATION

LAND SURFACE > GEOMORPHOLOGY

ISO Topic Category

ELEVATION

GEOSCIENTIFIC INFORMATION

IMAGERY/BASE MAPS/EARTH COVER

PLANNING CADASTRE

Platform

DEM > Digital Elevation Model

Quality Although these data have been processed successfully on a computer system at
the U.S. Geological Survey, EROS Data Center, no warranty expressed or implied
is made by either regarding the utility of the data on any system, nor shall
the act of distribution constitute any such warranty. The USGS will warrant the
...

Use Constraints There is no guarantee of warranty concerning the accuracy of these data. Users should be aware that temporal changes may have occurred since the data was collected and that some parts of these data may no longer represent actual surface conditions. Users should not use these data for critical applications without a full awareness of their limitations. Acknowledgement of the originating agencies would be appreciated in products derived from these data. Any user who modifies the data set is obligated to describe the types of modifications they perform. User specifically agrees not to misrepresent the data set, nor to imply that changes made were approved or endorsed by the U.S. Geological Survey. Please refer to http://www.usgs.gov/privacy.html for the USGS disclaimer.

Ancillary Keywords

1-Degree DEM

2-Arc-Second DEM

Data Set Progress

COMPLETE

Data Center

Earth Resources Observation and Science Center, U.S. Geological Survey, U.S. Department of the Interior

Data Center URL: http://eros.usgs.gov/

Data Center Personnel
Name: EROS CENTER Phone: 605-594-6151 Phone: 800-252-4547 Fax: 605-594-6589 Email: lta at usgs.gov Contact Address: LTA Customer Services U.S. Geological Survey EROS Center 47914 252nd Street City: Sioux Falls Province or State: SD Postal Code: 57198-0001 Country: USA