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Orthomosaic imagery for Whiskeytown Lake and surrounding area, 2019-06-03

Dates

Publication Date
Start Date
2019-06-03
End Date
2019-06-03

Citation

Logan, J.B., Dartnell, P., East, A.E., and Ritchie, A.C., 2020, Bathymetry, topography and orthomosaic imagery for Whiskeytown Lake, northern California: U.S. Geological Survey data release, https://doi.org/10.5066/P9HEDYNT.

Summary

This portion of the data release presents an RGB orthomosaic image of Whiskeytown Lake and the surrounding area derived from Structure from Motion (SfM) processing of aerial imagery acquired on 2019-06-03. The orthomosaic is available in a high-resolution 6-centimeter (cm) version, as well as a medium-resolution 25 cm version. The high-resolution version is divided into two tiles (east and west) to reduce file download sizes. All imagery is provided in a three-band cloud-optimized GeoTIFF format, with 8-bit unsigned integer values compressed using high-quality JPEG compression. The raw imagery used to create the orthomosaic was acquired from a manned aircraft on 2019-06-03. The acquisition flight was conducted by The 111th Group Aerial [...]

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Attached Files

Click on title to download individual files attached to this item.

Whiskeytown_2019-06-03_orthomosaic_browse.png
“RGB orthomosaic image from 2019-06-03”
thumbnail 959.99 KB
Whiskeytown_2019-06-03_orthomosaic_25cm.tif
“RGB orthomosaic image from 2019-06-03, 25 cm resolution”
166.56 MB
Whiskeytown_2019-06-03_orthomosaic_6cm_east.tif
“RGB orthomosaic image from 2019-06-03, 6 cm resolution, east portion”
1 GB
Whiskeytown_2019-06-03_orthomosaic_6cm_west.tif
“RGB orthomosaic image from 2019-06-03, 6 cm resolution, west portion”
1.21 GB

Purpose

This RGB orthomosaic image was created to help evaluate the post-fire conditions on the exposed margins of Whiskeytown Lake as well as the exposed, unvegetated portions of the surrounding watersheds. It is intended for use by scientists, managers, and the general public. The orthomosaic can be used with geographic information systems (GIS) software for research purposes.

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