USGS Scientific Investigations Report 2011–5041 - Channel Change and Bed-Material Transport in the Umpqua River Basin, Oregon

Table 5. Aerial photographs and orthophotographs used in the sediment transport study, Umpqua River basin, Oregon.

[Abbreviations: RMSE, root mean square error (in meters) is provided for photographs rectified in this study; FPKM, flood-plain kilometer; NUFPKM, North Umpqua River flood-plain kilometer; NAIP, National Agriculture Imagery Program; USACE, U.S. Army Corps of Engineers; USDA, U.S. Department of Agriculture; USGS, U.S. Geological Survey; m, meter; BW, black and white]

Year	Original format	Coverage	Photo scale or orthophotograph resolution	Original source	Rectification source and RMSE
1939	Aerial photograph (BW)	Full coverage	1:10,200	USACE	This study (4.48 m)
1967	Aerial photograph (BW)	FPKM 8–275; NUFPKM 0–44	1:20,000	USDA	This study (2.22 m)
1994–1995	Orthophotograph (BW)	Full coverage	1 pixel = 1 m	USGS	USGS
2000	Orthophotograph (BW)	Full coverage	1 pixel = 1 m	USGS	USGS
2005	Orthophotograph (color)	Full coverage	1 pixel = 0.5 m	NAIP	NAIP
2009	Orthophotograph (color)	Full coverage	1 pixel = 1 m	NAIP	NAIP