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Terrestrial laser scanner data from Hetch Hetchy area, Yosemite National Park, California, USA

June 7, 2017

These data are 3D point cloud data collected by laser scanner in the Hetch Hetchy area of Yosemite National Park, USA. The data were collected to assess landscape change and vegetation response following the 2013 Rim wildfire. Filename convention: "hh_datatype_dd_ddmmyyyy_laserreturns_siteidentification". "datatype" is either "alsm" or "tls" The former was collected by the National Center for Airborne Laser Mapping for the U.S. Forest Service and National Park Service, and only a small portion of those data covering this study area are included here. The latter were collected by the U.S. Geological Survey using a Riegl VZ-400 laser scanner. "dd_dd" refers to first and last day of month of data collection. "mmyyyy" is month and year of data collection. "laserreturns" specify which laser pulses are included in each TLS dataset. The laser scanner collects multiple laser returns for each emitted laser pulse. These are labled as "single", "last", "first", or "other". "siteidentification" refers to either the upper or lower study site in Poopenaut Valley near Hetch Hetchy in Yosemite National Park.

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