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Topographic point cloud for the Liberty Island Conservation Bank Wildlands restoration site, Sacramento-San Joaquin Delta, California, 2018-10-23

Dates

Publication Date
Time Period
2018-10-23

Citation

Logan, J.B., Stevens, A.W., Johnson, C.D., and Lacy, J.R., 2020, Aerial imagery and structure-from-motion derived data products from UAS survey of the Liberty Island Conservation Bank Wildlands restoration site, Sacramento-San Joaquin Delta, California, October 2018: U.S. Geological Survey data release, https://doi.org/10.5066/P9GF8R1M

Summary

This portion of the data release presents a topographic point cloud of the Liberty Island Conservation Bank Wildlands restoration site in the Sacramento-San Joaquin Delta, derived from structure-from-motion (SfM) processing of aerial imagery collected with an Unmanned Aerial System (UAS) on 2018-10-23. The point cloud contains 380,296,568 points at an approximate point density of 323 point per square-meter. Each point contains an explicit horizontal and vertical coordinate, color, intensity, and classification. The point cloud is tiled into 500 x 500-meter tiles to reduce file size. The raw imagery used to create this point cloud was acquired using two UAS fitted with Ricoh GR II digital cameras global shutters. The UAS were flown [...]

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Attached Files

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Wildlands_2018-10-23_point_cloud.xml
Original FGDC Metadata

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29.39 KB application/fgdc+xml
3.42 GB application/zip
Wildlands_2018-10-23_pointcloud_browse.PNG
“Perspective view showing RGB colorized topographic point cloud.”
thumbnail 1.1 MB image/png

Purpose

These data were collected in support of ongoing field experiments and numerical modeling by the USGS and others, with funding from the U.S. Bureau of Reclamation, to improve our understanding of habitat quality, the influence on various landscape features on ecosystem function, and the effects of restoration actions in the Sacramento–San Joaquin Delta. These data are intended for science researchers, students, policy makers, and the general public.

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