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True color aerial imagery from unmanned aerial systems (UAS) flights and image locations: Plum Island Estuary and Parker River NWR (PIEPR), February 27th, 2018


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Ganju, N.K., Brosnahan, S.M., Sturdivant, E.J., Pendleton, E.A., and Ackerman, S.D., 2019, Aerial imagery from unmanned aerial systems (UAS) flights–Plum Island Estuary and Parker River NWR (PIEPR), February 27th, 2018: U.S. Geological Survey data release,


Low-altitude (80 and 100 meters above ground level) digital images were taken over an area of the Plum Island Estuary and Parker River National Wildlife Refuge (NWR) in Massachusetts using 3DR Solo unmanned aircraft systems (UAS) on February 27, 2018. These images were collected as part of an effort to document marsh stability over time and quantify sediment movement using UAS technology. Each UAS was equipped with either a Ricoh GRII digital camera for natural color photos, used to produce digital elevation models and ortho images, or 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. The MicaSense [...]


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“Ricoh image locations.”
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These images were collected in the Plum Island Estuary and Parker River NWR (PIEPR) with the appropriate resolution and overlap to permit high quality photogrammetry and generation of orthomosaics and digital surface models. These overlapping aerial images are used within photogrammetric processing software to create point clouds, regional orthomosaics, and digital elevation models.

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