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GRANIT Metadata for 2013 1-ft. Resolution Imagery for Coastal New Hampshire - 20_J.sid

GRANIT Metadata for 2013 1-ft. Resolution Imagery for Coastal New Hampshire - 20_J.sid

Title: 2013 1-ft. Resolution Imagery for Coastal New Hampshire - 20_J.sid
Time Period of Content: 08/24/2013 - 08/24/2013 Initial Publication Date: 01/02/2014
Originator: Piscataqua Region Estuaries Partnership (PREP) in support of estuarine habitat mapping studies
Abstract:
The 2013 Piscataqua Region Estuaries Partnership Orthoimagery dataset consists of orthophotography for the Piscataqua Region of New Hampshire and southern Maine. Imagery was collected on August 24, 2013 at low tide. The Piscataqua Region covers the following area: two major estuaries (the Great Bay Estuary and the Hampton-Seabrook Harbor); coastal waters within 0.5 miles of shore; and land in Rockingham (NH), Strafford (NH), and York (ME) counties within 10 to 20 miles of the coast. The 2013 Piscataqua Region Estuaries Partnership Orthoimagery produced orthophotos that are untiled (scanline), four band (R, G, B, NIR) GeoTIFF images (with appropriate world file), with 1-foot ground sample distance resolution and a 2-foot spatial accuracy. The raw imagery was acquired using the Intergraph Digital Mapping Camera (DMC) mounted on a fixed wing aircraft at an elevation of approximately 10,000 feet above ground. Digital ortho-rectified images were created from the digital aerial imagery, aerotriangulation results, and a digital elevation model. An orthoimage is a remotely sensed image data in which displacement of features in the image caused by terrain relief and sensor orientation have been mathematically removed, thus it combines the image characteristics of a photograph with the geometric qualities of a map. The orthophotography was generated by contractors for the Piscataqua Region Estuaries Partnership at the University of New Hampshire (Durham, New Hampshire). Richard Crouse & Associates (Frederick, Maryland) acquired the raw aerial photographs. KAPPA Mapping, Inc. (Bangor, Maine) processed the raw imagery to create the orthophotos and verify that quality assurance objectives were met.
Theme Keywords: Aerial image, Aerial photography, Aerials, Basemap, Digital orthophoto, Digital ortho, Ortho, Orthoimagery, Orthophotography, Ortho-rectified imagery
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