2021 NOAA NGS Topobathy Lidar: Niihau, Hawaii

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Overview

These data were collected by Woolpert using a Leica Hawkeye4X system. Data for Niihau were acquired from September 8, 2021 through September 26, 2021. The data includes topobathy data in an LAS 1.4 format file classified as unclassified (1), ground (2), low noise (7), topo water surface (9), high noise (18), bathymetric point (40), bathymetric water surface (41), synthetic derived water surface (42), submerged object (43), International Hydrographic Organization (IHO) S-57 object (44), submerged aquatic vegetation (64), and bathymetric bottom temporal changes (65) in accordance with the American Society for Photogrammetry and Remote Sensing (ASPRS) classification standards. This data set may also include lidar intensity values and encoded RGB image values. This data set is an LAZ (compressed LAS) format file containing LIDAR point cloud data.
Total points: 10,556,052,924 pts
Survey Area: 422 km2
Point Density: 25.00 pts/m2
Survey Date: 09/08/2021 - 09/26/2021
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Data platform: Bathymetric Data

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