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Digital elevation model of Walker Lake, West-Central Nevada

Summary

Type of release
ongoing release of a series of related datasets

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
15 March 2013
Modified Date
17 November 2014
Update Frequency
notPlanned
Publishers
U.S. Geological Survey, Department of the Interior
Identifier
digital-elevation-model-of-walker-lake-west-central-nevada
Landing Page
http://catalog.data.gov/dataset/digital-elevation-model-of-walker-lake-west-central-nevada

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Description

Walker Lake lies within a topographically closed basin in west-central Nevada and is the terminus of the Walker River. Accurately determining the bathymetry and relations between lake-surface altitude, surface area, and storage volume are part of a study to improve the water budget for Walker Lake. Bathymetry of Walker Lake was measured using a single-beam echosounder coupled to a differentially-corrected global positioning system. Lake depth was subtracted from the lake-surface altitude to calculate the altitude of the lake bottom. A Lidar (light detection and ranging) survey and high resolution aerial imagery were used to create digital elevation models (DEM) around Walker Lake. All data was aquired during 2005. The altitude of the lake bottom and DEMs were merged together to create a single DEM and was used to identify areas that are currently or that were submerged by Walker Lake. The data sets and the procedures used to create the DEM are described in this metadata.

General Information

Legal Information

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

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  • Find out how to contact someone about this data at

    http://catalog.data.gov/dataset/digital-elevation-model-of-walker-lake-west-central-nevada Do you think this data is incorrect? Let us know

  • Find out how to suggest improvements to publication at

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