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Structure-from-motion point cloud of Mud Creek, Big Sur, California, 1967-10-18

Dates

Publication Date
Time Period
1967-10-18

Citation

Ritchie, A.C., Warrick, J.A., and Logan, J.B., 2019, Topographic point clouds for the Mud Creek landslide, Big Sur, California from structure-from-motion photogrammetry from aerial photographs: U.S. Geological Survey data release, https://doi.org/10.5066/P973FQ3M.

Summary

Presented here is a point cloud produced by the U.S. Geological Survey (USGS) from historical U.S. Air Force vertical aerial imagery, covering the area of the Mud Creek landslide on California State Route 1 (SR1), Mud Creek, Big Sur, California. The point cloud is referenced to previously published lidar data and contains RGB information as well as XYZ. Point cloud coordinates are in NAD83 UTM Zone 10 meters. Imagery was downloaded from USGS Eros Data Center and processed using structure-from-motion photogrammetry with Agisoft PhotoScan version 1.2.8 through 1.3.2. Point clouds were clipped to an AOI using LASTools. The AOI was created from a KMZ in Google Earth and transformed to a shapefile using ArcMap 10.5.

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Attached Files

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MudCr_BigSur_1967_10_18_USAF.laz 13.35 MB

Purpose

Data were produced from previously collected mapping products to better understand long-term evolution of an unstable area of the Big Sur coastline presenting a natural hazard to life, property, and navigation, as part of the USGS Remote Sensing Coastal Change (RSCC) Project. The area failed catastrophically on 20 May 2017, and subsequent data collection continued to monitor both the natural and human-modified evolution of the slide area.

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