Bronze level automatically awarded US beta
This data has achieved Bronze level on 24 October 2015 which means this data makes a great start at the basics of publishing open data.
Habitat maps of Puerto Rico and the U.S. Virgin Islands were created by visual interpretation of aerial photographs using the Habitat Digitizer Extension. Aerial photographs are valuable tools for natural resource managers and researchers since they provide an excellent record of the location and extent of habitats. However, spatial distortions in aerial photographs due to such factors as camera angle, lens characteristics, and relief displacement must be accounted for during analysis to prevent incorrect measurements of area, distance, and other spatial parameters. These distortions of scale within an image can be removed through orthorectification. During orthorectification, digital scans of aerial photos are subjected to algorithms that eliminate each source of spatial distortion. The result is a georeferenced digital mosaic of several photographs with uniform scale throughout the mosaic. Features near land are generally georeferenced with greater accuracy while the accuracy of features away from land is generally not as good. Where no land is in the original photographic frame only kinematic GPS locations and image tie points were used to georeference the images. After the orthorectified mosaics were created, photointerpreters were able to accurately and reliably delineate boundaries of features in the imagery as they appear on the computer monitor.
http://catalog.data.gov/dataset/benthic-habitats-of-puerto-rico-and-the-u-s-virgin-islands-photomosaic-of-u-s-virgin-islan-199932346 Do you think this data is incorrect? Let us know
National Oceanic and Atmospheric Administration, Department of Commerce Do you think this data is incorrect? Let us know
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il backup è fatto parallelamente Do you think this data is incorrect? Let us know
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http://catalog.data.gov/dataset/benthic-habitats-of-puerto-rico-and-the-u-s-virgin-islands-photomosaic-of-u-s-virgin-islan-199932346 Do you think this data is incorrect? Let us know
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