2016 USGS Lidar: Tishomingo, MS ms2016_tish_m8563_metadata eng Dataset EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION EARTH SCIENCE > OCEANS > COASTAL PROCESSES > COASTAL ELEVATION elevation CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > MISSISSIPPI VERTICAL LOCATION > LAND SURFACE LIDAR > Light Detection and Ranging Airplane > Airplane beach erosion These lidar data are processed Classified LAS 1.4 files, for the north and south AOIs for the 2016 Mississippi QL2 Lidar project. The area covers fifteen whole and partial counties in north eastern and south central Mississippi, covering approximately 3825 total square miles in the project area. North AOI (Northeast MS): 2949 individual 1500 m x 1500 m tiles Northern AOI counties: Alcorn, Benton, Itawamba, Lee, Lowendes, Marshall, Monroe, Prentiss, Tippah, Tishomingo, and Union, covering approximately 2318 square miles of the 3825 total square mile project area. The data for counties in the northern AOI were developed based on a horizontal projection/datum of NAD83 (2011) UTM Zone 16, meters and vertical datum of NAVD1988 (Geoid 12B), meters. In order to post process the lidar data to meet task order specifications and meet ASPRS vertical accuracy guidelines, Quantum Spatial, Inc. established a total of 59 ground control points that were used to calibrate the lidar to known ground locations established throughout the Mississippi project area. One point was removed due to drastic change in the area. An additional 96 independent accuracy checkpoints, 56 in Bare Earth and Urban landcovers (56 NVA points), 40 in Forested, Shrubs, and Tall Weeds categories (40 VVA points), were used to assess the vertical accuracy of the data. These checkpoints were not used to calibrate or post process the data. Vertical Accuracy = 4.9 cm RMSE South AOI (Camp Shelby): 1791 individual 5,000-foot x 5,000-foot tiles Southern AOI counties: Forrest, Greene, Lamar, and Perry, covering approximately 1507 square miles of the 3825 total square mile project area. The data for counties in the southern AOI were developed based on a horizontal projection/datum of NAD83 (2011) State Plane Mississippi East Zone, US survey feet and vertical datum of NAVD1988 (Geoid 12B), US survey feet. In order to post process the lidar data to meet task order specifications and meet ASPRS vertical accuracy guidelines, Quantum Spatial, Inc. established a total of 38 ground control points that were used to calibrate the lidar to known ground locations established throughout the Mississippi project area. An additional 78 independent accuracy checkpoints, 43 in Bare Earth and Urban landcovers (43 NVA points), 35 in Forested, Shrubs, and Tall Weeds categories (35 VVA points), were used to assess the vertical accuracy of the data. These checkpoints were not used to calibrate or post process the data. One point was removed from the NVA calculations due to drastic change in the area. Vertical Accuray = 4.6 cm RMSE Dataset Description: The Mississippi 2016 Aerial LiDAR Mapping project called for the planning, acquisition, processing and derivative products of LIDAR data to be collected at an aggregate nominal pulse spacing (NPS) of 0.7 meters. Project specifications are based on the U.S. Geological Survey National Geospatial Program Base LIDAR Specification, Version 1.2. LiDAR data was delivered in RAW flight line swath format. Corresponding 2.5-foot intensity images in GeoTIFF format and 2.5-foot bare-earth DEM files in ERDAS .IMG format were created with the same tile schema. Tiles names follow the US National Grid naming schema. Hydro-flattened breaklines were produced in Esri file geodatabase format. Continuous contours with a 1-foot interval were produced in Esri file geodatabase format. Ground Conditions: Lidar was collected in winter of 2016, while no snow was on the ground and rivers were at or below normal levels The NOAA Office for Coastal Management (OCM) received the data for processing to the Data Access Viewer (DAV) and https. In addition to the lidar point data, the bare earth Digital Elevation Models (DEM) created from the lidar point data are also available from the DAV. These data are available for custom download at the link provided in the URL section of this metadata record. Hydro breaklines are also available. These data are also available for download at the link provided in the URL section of this metadata record. Please note that these products have not been reviewed by the NOAA Office for Coastal Management (OCM) and any conclusions drawn from the analysis of this information are not the responsibility of NOAA or OCM. OCM Partners OCM Partners https://www.fisheries.noaa.gov/inport/item/53056 https://www.fisheries.noaa.gov/inport/item/49401 northlimit=35.004699; eastlimit=-88.094; southlimit=30.901302; westlimit=-89.66455797017; start=2016-01-17; end=2016-02-11; None 2016-11-14