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USGS High Resolution Orthoimagery for Southwest Dutchess County, New York: 18TWM985005_201304_0x3000m_4B_2


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2015-10-16 16:19:00


U.S. Geological Survey, and NYS Office of Information Technology Services, GIS Program Office, 2014, USGS High Resolution Orthoimagery for Southwest Dutchess County, New York: 18TWM985005_201304_0x3000m_4B_2: U.S. Geological Survey: Sioux Falls, SD,,,


"These files contain 2013 digital Ortho-imagery of Dutchess County, New York. Image pixel size is 1' GSD. Image type is 4-band, RGB & NIR. T Image horizontal accuracy is within 4' at the 95% confidence level (NSSDA). Each file contains an image covering 2000 ft. by 3000 ft. on the ground." An orthoimage is remotely sensed image data in which displacement of features in the image caused by terrain relief and sensor orientation have been mathematically removed. Orthoimagery combines the image characteristics of a photograph with the geometric qualities of a map. There is no image overlap between adjacent files.Data received at Earth Resources Observation and Science Center (EROS) were reprojected from:Projection: NAD_1983_StatePlane_New_York_East_FIPS_3101_FeetResolution: [...]


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"This digital Ortho-imagery can serve a variety of purposes, from general planning to field reference for spatial analysis to a tool for revision of vector maps. It can also serve as a reference layer for GIS." A digital orthoimage is a geometrically accurate photographic record of landscape conditions at the time of the corresponding aerial photography. As such, High Resolution Orthoimagery is useful for a variety of applications, such as environmental monitoring, facility engineering/maintenance, city/county planning, property line review, etc. The digital orthoimage can be used alone or as a raster basemap for corresponding vector line mapping. The detailed focus of High Resolution Orthoimagery provides emergency responders critical information in determining the best evacuation routes, alternative routes and safe access to aid. High Resolution Orthoimagery assists law enforcement personnel in determining the best locations to place surveillance cameras in high-traffic urban areas and popular attractions. The data assists Federal, State and local emergency responders in planning for homeland security efforts. This data also supports The National Map.

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Type Scheme Key
id gda 7429896

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