2007 USGS/NASA Experimental Advanced Airborne Research Lidar (EAARL): Fire Island National Seashore, NY and Sandy Hook, NJ

Popis

ASCII xyz point cloud data were produced from remotely sensed, geographically referenced elevation measurements cooperatively by the U.S. Geological Survey (USGS) and National Aeronautics and Space Administration (NASA). Elevation measurements were collected over the barrier island areas of Nassau and Suffolk Counties (Fire Island Natational Seashore)in New York and Monmouth County (Sandy Hook) in New Jersey, using the NASA Experimental Advanced Airborne Research Lidar (EAARL), a pulsed laser ranging system mounted onboard an aircraft to measure ground elevation, vegetation canopy, and coastal topography. The system uses high-frequency laser beams directed at the Earth's surface through an opening in the bottom of the aircraft's fuselage. The laser system records the time difference between emission of the laser beam and the reception of the reflected laser signal in the aircraft. The plane travels over the target area at approximately 50 meters per second at an elevation of approximately 300 meters. The EAARL, developed by NASA at Wallops Flight Facility in Virginia, measures ground elevation with a vertical resolution of 15 centimeters. A sampling rate of 3 kilohertz or higher results in an extremely dense spatial elevation dataset. Over 100 kilometers of coastline can be easily surveyed within a 3- to 4-hour mission time period. When subsequent elevation maps for an area are analyzed, they provide a useful tool to make management decisions regarding land development.

Obecné informace

• Dokumentace

  http://catalog.data.gov/dataset/2007-usgs-nasa-experimental-advanced-airborne-research-lidar-eaarl-fire-island-national-seashor Do you think this data is incorrect? Let us know

• Poskytovatel

  National Oceanic and Atmospheric Administration, Department of Commerce Do you think this data is incorrect? Let us know

Právní informace

• Právní prohlášení

  http://catalog.data.gov/dataset/2007-usgs-nasa-experimental-advanced-airborne-research-lidar-eaarl-fire-island-national-seashor Do you think this data is incorrect? Let us know

• Under which licence can people outside the US reuse this data?

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

• Obsah chráněný autorským právem

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

• Licence obsahu

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• Ochrana soukromí

  nehraje roli, data se netýkají fyzických osob Do you think this data is incorrect? Let us know

Praktické informace

• Relevantní datové katalogy

  http://catalog.data.gov/organization/noaa-gov Do you think this data is incorrect? Let us know

• Frekvence změn

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Technické informace

• Seznam publikovaných datových sad

  http://catalog.data.gov/api/rest/package/2007-usgs-nasa-experimental-advanced-airborne-research-lidar-eaarl-fire-island-national-seashor Do you think this data is incorrect? Let us know

Sociální informace

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• Strojově čitelná metadata

  související geografické území Do you think this data is incorrect? Let us know

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• Kontakty

  http://catalog.data.gov/dataset/2007-usgs-nasa-experimental-advanced-airborne-research-lidar-eaarl-fire-island-national-seashor Do you think this data is incorrect? Let us know

• Zpětná vazba k publikovaným datovým sadám

  http://www.data.gov/issue/?media_url=http://catalog.data.gov/dataset/2007-usgs-nasa-experimental-advanced-airborne-research-lidar-eaarl-fire-island-national-seashor Do you think this data is incorrect? Let us know