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Topographic point cloud for the intertidal zone at Post Point, Bellingham Bay, WA, 2019-06-06

Dates

Publication Date
Time Period
2019-06-06

Citation

Logan, J.B., Grossman, E.E., VanArendonk, N.R., and Maverick, A.F.G., 2021, Aerial imagery and structure-from-motion data products from UAS survey of the intertidal zone at Post Point, Bellingham Bay, WA, June 2019: U.S. Geological Survey data release, https://doi.org/10.5066/P94LH20J.

Summary

This portion of the data release presents topographic point clouds of the intertidal zone at Post Point, Bellingham Bay, WA. The point clouds were derived from structure-from-motion (SfM) processing of aerial imagery collected with an unmanned aerial system (UAS) on 2019-06-06. Two point clouds are presented with different resolutions: one point cloud (PostPoint_2019-06-06_pointcloud.zip) covers the entire survey area and has 145,653,2221 points with an average point density of 1,057 points per-square meter; the other point cloud (PostPointHighRes_2019-06-06_pointcloud.zip) has 139,427,055 points with an average point density of 3,487 points per-square meter and was derived from a lower-altitude flight covering an inset area within [...]

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Attached Files

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PostPoint_2019-06-06_pointcloud_browse.jpg thumbnail 188.29 KB image/jpeg
1.12 GB application/zip
1.18 GB application/zip

Purpose

These data were collected to characterize the morphology, substrate composition and roughness of intertidal areas to support modeling of coastal storm and wave impacts with sea-level rise as part of the USGS Puget Sound Coastal Storm Modeling System (PS-CoSMoS). The data are also intended to be used to model and evaluate sediment transport and its effects on coastal habitats, a focus of the USGS Coastal Habitats in Puget Sound Project (CHIPS) and its partners to inform resource management and adaptive planning for our Nation's coasts.

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