Multispectral and visual photogrammetric data collected via sUAS: Back Bay National Wildlife Refuge, Virginia, July 2018

The U.S. Geological Survey collected multispectral and visible light imagery via a quadcopter, small unoccupied aircraft system (sUAS) deployed near Ashville Bridge...美国地质调查局（U.S. Geological Survey）通过部署于阿什维尔大桥附近的四旋翼无人机及小型无人航空器系统（small unoccupied aircraft system，sUAS）采集了多光谱与可见光影像……