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Multispectral aerial imagery from unmanned aerial systems (UAS) flights: Potomac River in White's Ferry, Maryland on October 23, 2019

Dates

Publication Date
Time Period
2019-10-23

Citation

Cashman, M.J., Brosnahan, S.M., Caldwell, S.H., Staub, L.E., DeWitt, J., Young, J., Duda, J., and Griese, A.J., 2020, Low-altitude aerial imagery from unmanned aerial systems (UAS) at select locations over the Potomac River, October 2019: U.S. Geological Survey data release, https://doi.org/10.5066/P970EQ7D.

Summary

These digital images were taken over an area of the Potomac River in White's Ferry, Maryland using 3DR Solo unmanned aircraft systems (UAS) on October 23, 2019. These images were collected for the purpose of evaluating UAS assessment of river habitat data such as water depth, substrate type, and water clarity. Each UAS was equipped with a MicaSense RedEdge multi-spectral camera that captures five specific bands of the visible spectrum (blue, green, red, red edge, and near-infrared), which can be used to classify vegetation. Some photographs contain black and white targets used as ground control points (GCPs), which were surveyed by a field crew with a high-precision (GNSS) Global Navigation Satellite System and/or containing internal [...]

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Purpose

These images from an Unmanned Aerial System (UAS) were collected to establish capabilities and limitations for using new technology for mapping and measuring riverine environments. This was one component of methodological comparison field campaign conducted in conjunction with a topobathymetric lidar collection of the Potomac River Corridor in late 2019. Imagery were collected for the purpose of evaluating UAS assessment of river habitat data such as water depth, substrate type, and water clarity. Color images were collected with resolution and overlap for photogrammetry and creation of digital elevation models and orthomosaics. Comparisons will be made to other data derived from topobathymetric lidar and more established technologies such as real-time-kinematic (RTK) GPS, acoustic doppler current profilers (ADCP), and multi-beam echo sounders.

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