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NOAA Integrated Ocean and Coastal Mapping (IOCM) orthorectified mosaic true color (RGB) and infrared (IR) image tiles, Kachemak Bay, Alaska, 2008 (NCEI Accession 0074379)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: October 03, 2025 | Last Modified: 2013-09-03T00:00:00.000+00:00
These data are a NOAA National Ocean Service National Geodetic Survey (NOS/NGS) Integrated Ocean and Coastal Mapping (IOCM) Product. The images were acquired from a nominal altitude of 5,000 feet above ground level (AGL), using an Applanix Digital Sensor System (DSS). Imagery products are true color (prefix C) and infrared (prefix R) images. The IR images were acquired with a 850 nm cut on filter. Images have been orthorectified and mosaiced to produce a seamless data set. The data were collected for ongoing research efforts for testing and developing standards for airborne digital imagery. The data set includes .TIF images with associated .ODM, .OVR, .GEOM, and .HIS files with .JPG and .PNG graphics and metadata files. Clouds may be present in the imagery. Mosaic data have not been histogram stretched and only minimal color balancing has been performed. The ground sample distance (GSD) for each pixel is 0.5 m. Clouds may be present in the imagery. Mosaic data have not been histogram stretched and only minimal color balancing has been performed. This imagery was acquired by the NOAA Remote Sensing Division to support NOAA's IOCM requirements. It is not intended for mapping, charting, or navigation.

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