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orthophotograph |
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orthophotograph (Data West Research Agency definition: see GIS glossary.) An aerial photograph in which the displacement of images has been removed and that has the distortion due to tilt, curvature, and ground relief corrected. It is a "scale corrected" aerial image, depicting ground features in their exact ground positions, in which distortion caused by camera and flight characteristics and relief displacement have been removed using photogrammetric techniques.orthophotograph [‚ȯr·thə′fōd·ə‚graf] (geology) A photographic copy, prepared from a photograph formed by a perspective projection, in which the displacements due to tilt and relief have been removed. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | Special thanks go to Alice-Caroline Deardorff, administrative assistant of the Porter County Soil and Water Conservation District, for locating the orthophotographs of the Silver Lake area. This study focuses on studying the variables that impact the quality and reproduciblity of LIDAR generated orthophotographs. Data used to quantify historic sinks and sources included pre- and post-harbor construction maps, 1948 bathymetry, bluff and dune mapping from 1938 to present, dredging records from the 1970s to present, digital 1999 orthophotographs, 1999 airborne bathymetry survey, reoccupation of 1948 lake bed profile lines in 2001, airborne topographic survey of harbor fillet beaches, time series lake levels and wind data, and historic ice cover information. |
orthophotograph |
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