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Ashtabula habitat restoration orthomosaic and elevation products, September 2021

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 07:37 PM | Dataset Last Updated: March 04, 2026 at 12:00 AM
The orthoimagery, digital surface model and point cloud presented here document conditions at the Ashtabula River Area of Concern in Ashtabula, Ohio in September 2021. Imagery documents the result of in-stream and terrestrial habitat restorations that had occurred in 2012. Aerial images were collected using a DJI Phantom with FC6310 sensor flying at a nominal elevation of approximately 100 meters above the surface of the lake water. Data were processed using structure-from-motion techniques to generate a point cloud (las), digital surface model (DSM; .tif) and an orthomosaic (.tif) for the site. Final ground surface distance resolution is approximately 2.65 centimeters for imagery and 5.30 centimeters for the digital surface model. Products provide baseline information about terrestrial and emergent wetland communities against which to compare changes as the restoration develops. A processing report generated by the structure-from-motion processing software is also provided.

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