Description

Using Leica Geosystems ALS50 Laser Systems, 89 flight lines with a nominal point spacing = 1.4 meters (4.59 feet) were collected over Erie County, NY (approximately 1044 square miles). Multiple returns were recorded for each laser pulse along with an intensity value for each return. The data acquisition occurred in missions on April 17, 2008 and April 28, 2008. During the LIDAR campaign, the field crew conducted a GPS field survey to establish final coordinates of the ground base stations for final processing of the base-remote GPS solutions. This is a bare earth classified data set; points are classified as ground or unclassified. Please note that water points are sometimes classified as 'Unclassified' and other times as 'Ground'. LIDAR data is remotely sensed high-resolution elevation data collected by an airborne collection platform. Using a combination of laser range finding, GPS positioning and inertial measurement technologies; LIDAR instruments are able to make highly detailed Digital Elevation Models (DEM) of the earth's terrain, man-made structures and vegetation. This data was collected at a resolution to aid in coastal management decisions including flood plain analysis and mapping.

General Information

• This data is described at

  http://catalog.data.gov/dataset/2008-federal-emergency-management-agency-fema-new-york-lidar-erie-county Do you think this data is incorrect? Let us know

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

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