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2012 USGS-FEMA Lidar: Virginia Northern Counties (South)
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
- 27 September 2015
- Modified Date
- 27 September 2015
- Update Frequency
- asNeeded
- Publishers
- National Oceanic and Atmospheric Administration, Department of Commerce
- Identifier
- 2012-usgs-fema-lidar-virginia-northern-counties-south
- Landing Page
- http://catalog.data.gov/dataset/2012-usgs-fema-lidar-virginia-northern-counties-south
- Temporal Coverage
- 19 April 2011 — 10 February 2012
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Description
Dewberry collected LiDAR for ~3,341 square miles in various Virginia Counties, a part of Worcester County, and Hoopers Island. The acquisition was performed by Terrapoint. This metadata covers the LiDAR produced for the Virginia Counties North project area. The nominal pulse spacing for this project is 1.6 ft (0.5 meters). This project was collected with a sensor which collects intensity values for each discrete pulse extracted from the waveform. GPS Week Time, Intensity, Flightline and echo number attributes were provided for each LiDAR point. Dewberry used proprietary procedures to classify the LAS according to contract specifications: 1-Unclassified, 2-Ground, 7-Noise, 9-Water, 10-Ignored Ground due to breakline proximity, and 11-Withheld (Reclassed to 15). Dewberry produced 3D breaklines and combined these with the final LiDAR data to produce seamless hydro flattened DEMs for the 2,140 tiles (5000 ft x 5000 ft) that cover the project area. This collection has been divided into 2 parts (North and South), due to a portion of the data being collected in two zones: Virginia State Plane North 4501 and Virginia State Plane South 4502.
Informazioni generali
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Questi dati sono descritti in
http://catalog.data.gov/dataset/2012-usgs-fema-lidar-virginia-northern-counties-south Do you think this data is incorrect? Let us know
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Questi dati sono pubblicati da
National Oceanic and Atmospheric Administration, Department of Commerce Do you think this data is incorrect? Let us know
Informazioni legali
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La dichiarazione dei diritti è in
http://catalog.data.gov/dataset/2012-usgs-fema-lidar-virginia-northern-counties-south Do you think this data is incorrect? Let us know
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Under which licence can people outside the US reuse this data?
Creative Commons CCZero Do you think this data is incorrect? Let us know
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Ci sono
yes, and the rights are all held by the same person or organisation Do you think this data is incorrect? Let us know
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Il contenuto è disponibile sotto
Creative Commons CCZero Do you think this data is incorrect? Let us know
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Questi dati contengono
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Informazioni pratiche
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I dati fanno parte di questa collezione
http://catalog.data.gov/organization/noaa-gov Do you think this data is incorrect? Let us know
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Questi dati si aggiornano
no Do you think this data is incorrect? Let us know
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I dati sono
il backup è fatto parallelamente Do you think this data is incorrect? Let us know
Informazioni tecniche
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Gli aggiornamenti di questi dati sono elencati su
http://catalog.data.gov/api/rest/package/2012-usgs-fema-lidar-virginia-northern-counties-south Do you think this data is incorrect? Let us know
Informazioni aggiuntive
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Scopri come contattare qualcuno a proposito di questi dati su
http://catalog.data.gov/dataset/2012-usgs-fema-lidar-virginia-northern-counties-south Do you think this data is incorrect? Let us know
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Scopri come suggerire dei miglioramenti per la pubblicazione dei dati a
http://www.data.gov/issue/?media_url=http://catalog.data.gov/dataset/2012-usgs-fema-lidar-virginia-northern-counties-south Do you think this data is incorrect? Let us know