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This data has achieved Bronze level on 22 October 2015 which means this data makes a great start at the basics of publishing open data.

2007 USGS Topographic LiDAR: Valdez, Alaska

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
26 September 2015
Modified Date
26 September 2015
Update Frequency
asNeeded
Publishers
National Oceanic and Atmospheric Administration, Department of Commerce
Identifier
2007-usgs-topographic-lidar-valdez-alaska
Landing Page
http://catalog.data.gov/dataset/2007-usgs-topographic-lidar-valdez-alaska

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Description

This project was completed by Aerometric, Inc. under USGS Contract No. 07CRCN0002, Task Order No. 070020009. This delivery contains point cloud data in LAS 1.1 format, classified in the following manner. Class 1: Unclassified, Class 2: Ground, Class 7: Low Point (Noise), Class 9: Water, Class 10: High Point (Noise), Class 12: Overlap, and Class 17: Port The following are the collection parameters and equipment used to create these data sets. Aircraft: Cessna 320 (N3443Q) and Piper Navajo (N6GR) Lidar System: Optech ALTM Gemini (03SEN145) Approximate Collection Altitude (Above Mean Terrain): 1800 meters Ground Speed: 145 kts Pulse Rate Frequency: 70 kHz Mirror Scan Frequency: 62.6 Hz Scan Angle (+/-): 5.3 degrees Beam Divergence: Narrow (0.25 mrad) Accuracy statements are based on areas of moderate terrain, with points classified as ground. Diminished accuracies are to be expected in areas of extreme terrain and dense vegetation. The accuracy of each point is expected to meet the vertical accuracy standard. Derived products may be less accurate in areas of extreme terrain and dense vegetation due to a lesser number of points defining the ground in these areas. Classified data sets such as this one may have varying posting due to some pulses not reaching the ground.

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.

  • The rights statement is at

    http://catalog.data.gov/dataset/2007-usgs-topographic-lidar-valdez-alaska Do you think this data is incorrect? Let us know

  • Outside the US, this data is available under

    Creative Commons CCZero Do you think this data is incorrect? Let us know

  • There are

    yes, and the rights are all held by the same person or organisation Do you think this data is incorrect? Let us know

  • The content is available under

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  • This data contains

    no data about individuals Do you think this data is incorrect? Let us know

Practical Information

  • The data appears in this collection

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  • This data changes

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  • Find out how to contact someone about this data at

    http://catalog.data.gov/dataset/2007-usgs-topographic-lidar-valdez-alaska Do you think this data is incorrect? Let us know

  • Find out how to suggest improvements to publication at

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